WO1996033519A1 - Accumulateur electrique non aqueux - Google Patents
Accumulateur electrique non aqueux Download PDFInfo
- Publication number
- WO1996033519A1 WO1996033519A1 PCT/JP1996/001059 JP9601059W WO9633519A1 WO 1996033519 A1 WO1996033519 A1 WO 1996033519A1 JP 9601059 W JP9601059 W JP 9601059W WO 9633519 A1 WO9633519 A1 WO 9633519A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- negative electrode
- less
- electrode material
- group
- secondary battery
- Prior art date
Links
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- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000001008 quinone-imine dye Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- MFIWAIVSOUGHLI-UHFFFAOYSA-N selenium;tin Chemical compound [Sn]=[Se] MFIWAIVSOUGHLI-UHFFFAOYSA-N 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 229940071182 stannate Drugs 0.000 description 1
- 125000005402 stannate group Chemical group 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- ANOBYBYXJXCGBS-UHFFFAOYSA-L stannous fluoride Chemical compound F[Sn]F ANOBYBYXJXCGBS-UHFFFAOYSA-L 0.000 description 1
- 229960002799 stannous fluoride Drugs 0.000 description 1
- 229940108184 stannous iodide Drugs 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 229920005608 sulfonated EPDM Polymers 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000003115 supporting electrolyte Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- WYUZTTNXJUJWQQ-UHFFFAOYSA-N tin telluride Chemical compound [Te]=[Sn] WYUZTTNXJUJWQQ-UHFFFAOYSA-N 0.000 description 1
- FSBZGYYPMXSIEE-UHFFFAOYSA-H tin(2+);diphosphate Chemical compound [Sn+2].[Sn+2].[Sn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O FSBZGYYPMXSIEE-UHFFFAOYSA-H 0.000 description 1
- DZXKSFDSPBRJPS-UHFFFAOYSA-N tin(2+);sulfide Chemical compound [S-2].[Sn+2] DZXKSFDSPBRJPS-UHFFFAOYSA-N 0.000 description 1
- CVNKFOIOZXAFBO-UHFFFAOYSA-J tin(4+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Sn+4] CVNKFOIOZXAFBO-UHFFFAOYSA-J 0.000 description 1
- YUOWTJMRMWQJDA-UHFFFAOYSA-J tin(iv) fluoride Chemical compound [F-].[F-].[F-].[F-].[Sn+4] YUOWTJMRMWQJDA-UHFFFAOYSA-J 0.000 description 1
- XROWMBWRMNHXMF-UHFFFAOYSA-J titanium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Ti+4] XROWMBWRMNHXMF-UHFFFAOYSA-J 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- LTEHWCSSIHAVOQ-UHFFFAOYSA-N tripropyl borate Chemical compound CCCOB(OCCC)OCCC LTEHWCSSIHAVOQ-UHFFFAOYSA-N 0.000 description 1
- RXPQRKFMDQNODS-UHFFFAOYSA-N tripropyl phosphate Chemical compound CCCOP(=O)(OCCC)OCCC RXPQRKFMDQNODS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007784 twin roller method Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/44—Fibrous material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a novel non-aqueous secondary battery having high discharge potential, high capacity, good cyclability and storage stability, and excellent safety.
- Japanese Patent Application Laid-Open No. Hei 6-27 52 68 describes that SnO is used
- Japanese Patent Application Laid-Open No. Hei 6-338325 describes that a composite oxide of tin and other elements is used as a negative electrode material. ing. Some of these negative electrode materials had high capacity, but the cycling power was insufficient. In addition, due to the high capacity, sudden increases in battery temperature due to abnormalities such as short-circuits, and accidents such as ejection of battery contents are likely to occur, making it insufficient to ensure safety.
- an object of the present invention is to provide a non-aqueous secondary battery having a high discharge potential, a high capacity, good cycleability, and excellent safety. Disclosure of the invention
- An object of the present invention is to provide a non-aqueous J primary battery comprising a positive electrode material, a negative electrode material, a non-aqueous electrolyte containing a lithium salt, and a separator, wherein the negative electrode material is mainly composed of Sn, Mn, Fe, Pb, It is made of an amorphous oxide containing at least one functional element selected from Ge. This was achieved with the following non-7K i-cells.
- a non-aqueous secondary battery comprising a positive electrode material, a negative electrode material, a non-aqueous electrolyte containing a lithium salt, and a separator.
- Ftfeo characterized by being composed of an amorphous oxide containing
- the negative electrode material is at least one of functional elements selected from Sn, Mn, Fe, Pb, and Ge, and Al, B, P, Group 1 element, Group 2 element, and Group 3 element of the periodic table.
- the negative electrode material strength, at least one of the functions mainly selected from Sn, Mn, Fe, Pb, and Ge, and the standard electrode potential (25) of the aqueous solution are ⁇ 3.05 to 2.3 ( ⁇ Consisting of an amorphous oxide containing at least one of amorphized ⁇ selected from Group 1 element, Group 2 element, Group 3 element and halogen element
- the negative electrode material is mainly composed of at least one kind of a function selected from Sn, Mn, Fe, Pb, and Ge, and at least one kind of an amorphized part selected from Mg, Al, B, P, and F. 5.
- the negative electrode material is mainly composed of at least one element selected from the group consisting of Sn divalent, Mn divalent, Mn trivalent, Fe divalent, Pb divalent, and Ge divalent, and Mg, Al, B, P, F 6.
- the negative electrode material comprises an amorphous oxide containing a functional element mainly Sn and at least one amorphizing element selected from Mg, Al, B, P and F.
- the non- 7 iCl secondary battery described in 6 above comprises an amorphous oxide containing a functional element mainly Sn and at least one amorphizing element selected from Mg, Al, B, P and F.
- the negative electrode material is mainly at least one of functions selected from Sn, Mn, Fe, Pb, and Ge, and Al, B, P, elements of the first, second, and third groups of the periodic table. 4.
- the negative electrode material is mainly composed of at least one functional element selected from Sn divalent, Mn divalent, Mn trivalent, Fe divalent, Pb divalent, and Ge divalent, and Al, B, P, and periodic table.
- the non-amorphous oxide according to the above item 8 comprising an amorphous oxide containing at least two amorphizing elements selected from Group 1 elements, Group 2 ⁇ , Group 3 and halogen elements. 7jd secondary battery.
- M 1 is at least one of Mn, Fe, Pb, and Ge
- M 2 is Al, B, P, periodic It represents two or more of Group 1 elements, Group 2 elements, Group 3 elements, and halogen elements.
- a is a number greater than 0 and less than or equal to 1
- b is a number greater than or equal to 0.1 and less than or equal to 3
- z is a number greater than or equal to 1 and less than or equal to 8.
- M 3 is Al, B, 2 or more, M 4 Periodic Table alkali metal in the P, a Group 2 element, a Group 3 element Or represents at least one of halogen elements.
- c is a number of 0.2 or more and 2 or less
- d is a number of 0.01 or more and I or less
- 0.21 ⁇ c + d ⁇ 2 is a number of 1 or more and 6 or less.
- M 3 is at least two of Al. B and P
- M 5 is K, Na, Rb, Cs, Ca, Mg, Ba
- Y represents at least one of c is a number greater than or equal to 0.2 and less than or equal to 2
- d is a number greater than or equal to 0.01 and less than or equal to 1, and 0.21 and c + d and where y is a number between 1 and 6 inclusive.
- the negative electrode material is an amorphous composite oxide represented by the following formula (4). Characteristic ⁇ Self Non-7j l primary power listed in 3 ⁇ 4 ⁇
- M 3 is Al, B, two or more of the P, the Micromax beta represents K, Na, Rb, at least one in the Cs.
- c is a number between 0.2 and 2
- d is a number between 0.01 and 1. and 0.21 ⁇ c + d ⁇ 2
- y is a number between 1 and 6.
- M 3 is at least one of Al, B, and P
- M s is at least one of K, Na, Rb, Cs, Ca, Mg, Ba, and Y
- M 7 is fluorine.
- c is a number of 0.2 or more and 2 or less
- d and e are numbers of 0.01 or more and 1 or less, respectively, and 0.22 ⁇ c + d ⁇ 2
- y represents a number of 1 or more and 6 or less.
- M 8 represents one or more of Al, B, and P, and represents at least one of Group 1, Group 2, Group 3 and halogen elements of the periodic table.
- f is a number from 0.001 to 1;
- g is a number from 0.2 to 2;
- h is a number from 0.01 to 1;
- X is a number from 1.3 to 7;
- Micromax 8 is A1, beta, one or more of the [rho, Micromax 9 represents K, Na, Rb, Cs, Ca, Mg, at least one in the B a.
- f is a number from 0.001 to 1;
- g is a number from 0.2 to 2;
- h is a number from 0.01 to 1;
- x is a number from 1.3 to 7;
- M 8 is Al
- M 10 represents K
- Rb Cs
- at least one among Mg. f is 0.001 or more and 1 or less
- g is 0.2 or more and 2 or less
- h is 0.01 or more and 1 or less
- X is 1.3 or more and 7 or less. Represent.
- the negative electrode material is an amorphous composite oxide represented by the following item (9):
- M 8 is one or more of Al, B, and P, and M 1 .
- i is a number between 0.01 and 0.5
- j ' is a number between 0.4 and 1.3
- k is a number between 0.05 and 0.5
- w is 1.3 and 6 The following numbers are shown.
- Non-ic Next battery.
- non-7Z secondary battery as described in any one of 1 to 24 above, wherein the separator is a porous film or cloth containing at least 20% by weight of an ethylene component.
- the functional element referred to in the present invention is present in an amorphous solid, and absorbs and releases lithium ions. This indicates that the valence changes with the occurrence of the element and can contribute to the 3 ⁇ 4jR capacitance.
- transition metal elements such as iron and manganese are typical, but in the present invention, tin, lead, germanium and the like are mentioned as exhibiting excellent performance.
- the valence of the functional element that can be stably present in the amorphous solid is preferably a relatively low valence state among the valences that the element can have.
- manganese is a divalent, trivalent, or tetravalent element; (is an element that can take the form of a dog, but is preferably present in a solid in a divalent and trivalent state, and most preferably in a divalent state. It is preferred, 0
- the functional element referred to in the present invention indicates each element of Sn, Mn, Fe, Pb, and Ge, and can be used in combination of two or more.
- Preferred elements and their states are Sn2 + , Mn2 + , Mn3 + , Fe2 + , Ge2 + alone or in combination.
- the amorphizing agent referred to in the present invention may be any as long as it forms an amorphous solid together with a functional element.
- A, B, P, Group 1 element, Group 2 and Group 3 element of the periodic table And at least one element selected from halogen elements.
- One of the preferred embodiments of the negative electrode material is that at least one of the functional elements mainly selected from Sn, MnFe, Pb, and Ge, and the standard electrode potential (at 25) of the aqueous solution is ⁇ 3.05 to 1.0. 2. It is composed of an amorphous oxide containing at least one amorphizing element selected from Group 1 element, Group 2 and Group 3 30 and halogen is there.
- the standard electrode potential (25 ° C) of the aqueous solution referred to in the present invention is the same as that of the battery based on the standard hydrogen electrode in a battery in which a standard hydrogen electrode and an electrode containing the evaluation element are combined in an aqueous solution. It is the electromotive force at ° C, and the standard electrode potential of the aqueous solution of the electrode reaction of Group 1 element, Group 2 element, and Group 3 element of the periodic table (The value of 25 ⁇ ⁇ is (Electrical Chemistry Association) edited by Maruzen (1958) or / or Standard Botanicals in Accuous Solution (I UPAC)
- Standard electrode potential (25 e C) of the aqueous solution of the present invention (25 e C)-3.05- ⁇ one 2.30 ⁇ ° / V
- the elements and the standard electrode potential (25 ° C, E ° ZV) are specifically shown.
- More preferred standard electrode potential (25.C) in the present invention Is 3.03 to 2.70 E ° ZV, and ⁇ is Na, K, Rb, Ca, Cs, Sr, or Ba.
- the most preferable standard electrode potential (25.C) is 1. 03—2.90 E ° / V, and K, Rb, Cs, Sr, and Ba can be mentioned as elements. One or more of these are introduced as oxides into the amorphous composite oxide.
- Another preferred embodiment of the negative electrode material is mainly composed of at least one functional element selected from Sn, Mn, Fe, Pb, and Ge and an amorphous element selected from Mg, Al, B, P, and F. And an amorphous oxide containing at least one of the chemical elements.
- the negative electrode material is mainly at least one of functional elements selected from Sn divalent, Mn divalent, Mn trivalent, Fe divalent, Pb divalent, and Ge divalent, and Mg, A1, B , P, F and at least one amorphizing element selected from the group consisting of an amorphous oxide, more preferably a functional element whose negative electrode material is mainly Sn, Mg, Al , B, P, F, and at least one amorphizing element selected from the group consisting of amorphous oxides.
- the negative electrode material mainly includes at least one of functional elements selected from Sn, Mn, Fe, Pb, and Ge, and Al, B, P, and a periodic table. It is made of an amorphous oxide containing at least two kinds of amorphizing elements selected from Group 1 elements, Group 2 elements, Group 3 and halogens 5 ⁇ .
- the negative electrode material is mainly composed of at least one selected from the group consisting of Sn divalent, Mn divalent, Mn trivalent, Fe divalent, Pb divalent, and Ge divalent, and Al, B, P, and periodicity.
- Table 1 consists of an amorphous oxide containing at least two kinds of amorphizing elements selected from Group 1 elements, Group 2 elements, Group 3 elements, and halogen elements. 1) It is an amorphous composite oxide represented by ⁇ (1).
- M 1 is at least one of Mn, Fe, Pb, and Ge
- M 2 is A1
- B, P a group 1 element, a group 2 element, a group 3 element of the periodic table
- a represents a number greater than 0 and less than or equal to 1
- b represents a number greater than or equal to 0.1 and less than 3
- z represents a number greater than or equal to 1 and less than or equal to 8.
- the negative electrode material is an amorphous composite oxide represented by the following 1) ⁇ (2).
- M 3 represents at least two of Al, B, and P, and M 4 represents at least one of j ⁇ , II, III, or halogen in the periodic table.
- C represents a number from 0.2 to 2;
- d represents a number from 0.01 to 1;
- the negative electrode material is an amorphous oxide represented by the following general formula (3).
- M 3 represents at least two of Al, B, and P
- M 5 represents at least one of K, Na, Rb, Cs, Ca, Mg, Ba, and Y.
- c is 0.2 or more and 2 or less
- d is 0.01 or more and 1 or less
- 0.21 x c + d x 2 and y is a number of 1 or more and 6 or less.
- the negative electrode material is an amorphous composite acid represented by the following formula (4): That is, it is a dagger.
- M 3 represents at least two of Al, B, and P
- M s represents at least one of K, Na, Rb, and C s.
- C is 0.2 or more and 2 or less.
- d is a number greater than or equal to 0.01 and less than or equal to 1, and 0.21 and c + d and 2 and y is a number between 1 and 6.
- the negative electrode material is an amorphous composite oxide represented by the following (5).
- ⁇ 3 is at least one of Al, ⁇ , ⁇ , M s is at least one of K, Na, Rb, Cs, Ca, Mg, Ba, Y, and M is Represents F.
- c is a number of 0.2 or more and 2 or less, d and e are numbers of 0.01 or more and 1 or less, respectively, 0.22 c + d ⁇ 2, y is 1 or more and 6 or less Represents a number.
- the negative electrode material is an amorphous oxide mainly containing functional elements of Sn and Ge.
- the coexistence of Ge, which exhibits excellent performance even with Sn alone, as a functional element, can further improve the charge / discharge cycle characteristics in particular.
- the negative electrode material is an amorphous composite oxide represented by the following 1) ⁇ (6).
- M 8 represents at least one of A1, B, and P
- M 4 represents at least one of the first, second, third, and halogen elements of the periodic table.
- ⁇ represents a number from 0.01 to 1 or less
- g represents a number from 0.2 to 2 or less
- h represents a number from 0.01 to 1 or less
- X represents a number from 1.3 to 7 or less. Represents.
- the negative electrode material is an amorphous composite oxide represented by the following (7).
- M 8 represents one or more of Al, B, and P
- M 9 represents at least one of K, Na, Rb, Cs, Ca Mg, Ba, and F.
- ⁇ is 0. 001 or more and 1 or less
- g represents 0.2 or more and 2 or less
- h represents 0.01 or more and 1 or less
- X represents 1.3 or more and 7 or less.
- the negative electrode material is an amorphous composite oxide represented by the following general formula (8).
- the negative electrode material is This is an amorphous composite oxide represented by the general formula (9).
- M 8 represents at least one of Al, B, and P
- M ′ 0 represents at least one of K, Rb, Cs, and Mg.
- I is 0.01 or more and 0.5 or less.
- J is a number between 0.4 and 1.3
- k is a number between 0.05 and 0.5
- w is a number between 1.3 and 6.
- the amount of Ge is not less than 0.001 and not more than 1 with respect to Sn. Preferably it is 0.002 or more and 0.7 or less, and most preferably 0.01 or more and 0.5 or less. If it is less than this, the Ge coexistence effect will not appear, and if it is more than this, the charge / discharge efficiency will deteriorate.
- the amorphous forming element M 8 and M 4 in the formula (6) is use 'it is.
- the use of these elements makes it easy to obtain an amorphous oxide.
- M 8 is at least one or more elements selected from Al, P, and B
- M 4 is at least one or more elements selected from Group 1 elements, Group 2 elements, Group 3 elements, and halogen elements of the periodic table. Yes, these are used in combination.
- Group 1 element As the Group 1 element, Group 2 element, Group 3 element, and halogen element of the periodic table, K, Na, Rb, Cs, Ca, Mg, Ba, and F are preferable, and K, Rb, and Cs are more preferable.
- K, Na, Rb, Cs, Ca, Mg, Ba, and F are preferable, and K, Rb, and Cs are more preferable.
- the use amount of at least one element selected from Al, P, and B is 0.2 or more and 2 or less with respect to Sn, preferably 0.3 or more and 1.5 or less, and more preferably 0.4 or less. 1.3 or less. If it is smaller than this, it becomes difficult to amorphize, and if it is larger than this, the concentration of the functional elements Sn and Ge in the amorphous solid decreases, and the discharge power of the non-primary battery decreases. Is not preferred.
- the amount of at least one element selected from the elements of the first, second, and third groups of the periodic table, which is selected from the group consisting of Group 1, Group 2, and Group 3, element No, and Rogen, is 0.01 or more and 1 or less, preferably 0.03 or more 0 .8 or less, more preferably 0.05 or more and 0.5 or less. If it is less than this, the effect of addition becomes small, and if it is more than this, the concentration of Sn or Ge, which is a function, in the amorphous solid is very small, which causes a decrease in the discharge of the non-aqueous secondary battery, which is not preferable. .
- the negative electrode material referred to in the present invention is mainly amorphous when incorporated in a battery.
- amorphous here means mainly 20 ° to 40 ° at 20 values by X-ray diffraction using CuKa rays. It has a broad scattering band having a vertex, and may have a crystalline diffraction line. Preferably 40 at 20 value.
- the strongest intensity of the crystalline diffraction lines observed below 70 ° and below is 50% of the diffraction line intensity at the apex of the peak scattering band observed at 20 ° and above 40 ° and below 20 °. It is preferably 0 times or less, more preferably 100 times or less, particularly preferably 5 times or less, and most preferably has no crystalline diffraction line.
- any of a firing method and a solution method can be employed, but the firing method is more preferable.
- the synthesis method will be described in detail using the firing method as an example.
- the firing method it is preferable to obtain an amorphous composite oxide by oxidizing the oxides described in (1) to (3) or mixing the compounds well and then firing. The following is a description of the starting compounds and firing conditions.
- S n compounds as, for example S n O, S n 2 ⁇ 3, S n 3 0,, stannous hydroxide, Asuzusan, oxalate stannous phosphate, stannous ortho stannate, metastannic acid, Parastannic acid, stannous fluoride, stannous chloride, stannous bromide, stannous iodide, tin selenide, tin telluride, stannous pyrophosphate, tin phosphide, stannous sulfide And the like.
- Ge compound, Fe compound, Mn compound, and Pb compound examples include the respective oxides, chlorides, carbonates, nitrates, acetates, and organic metal salts as in the case of the tin compound.
- Examples of the P compound include phosphorus pentoxide, phosphorus oxychloride, phosphorus pentachloride, phosphorus trichloride, phosphorus tribromide, trimethyl phosphate, triethyl phosphate, tripropyl phosphate, stannous pyrophosphate, boron phosphate and the like. be able to.
- B compound examples include boron dioxide, boron trichloride, boron tribromide, boron carbide, boric acid, trimethyl borate, triethyl borate, tripropyl borate, triptyl borate, boron phosphide, boron phosphate and the like. be able to.
- A1 compounds include, for example, aluminum oxide ( ⁇ -alumina, 3-alumina), aluminum gayate, aluminum tree iso-propoxide, aluminum tellurite, aluminum chloride, aluminum boride, aluminum phosphide, aluminum phosphate, aluminum phosphate, Examples include aluminum, aluminum borate, aluminum sulfide, aluminum sulfate, and aluminum boride.
- Compounds of Group 1 to 3 elements of the Periodic Table include oxides, 7 oxides, halides, salts of oxalic acid and the like, and salts of inorganic acids such as hydrochloric acid and phosphoric acid. Can be.
- Mg compounds include magnesium chloride, magnesium phosphate, magnesium oxide, magnesium oxalate, magnesium hydroxide, magnesium stannate, magnesium pyrophosphate, magnesium fluoride, magnesium borofluoride, and magnesium phosphate. Etc. can be used.
- F compound various fluorine compounds such as tin fluoride, magnesium fluoride, aluminum fluoride, fluorinated ibS, indium fluoride, germanium fluoride, iron fluoride, and titanium fluoride are used. .
- the heating rate is preferably 5 ° C. or more and 200 ° C. or less per minute, more preferably 7 ° C. or more and 20 ° C. or less (TC or less. It is preferably from 10 to 200, and the firing temperature is preferably from 500 to 150 ° C, more preferably from 600 to 150 ° C. Or less, particularly preferably from 70 O'C or more to 150 or less, and the firing time is preferably from 1 hour to 100 hours or less, and more preferably 1 hour or more.
- the heating rate in the present invention is the average rate of temperature rise from “50% of the firing temperature (° C. display)” to “80% of the firing temperature ( e C display)”.
- the cooling rate is the average rate of temperature drop from 80% j of firing temperature (indicated by) to 50% of firing temperature (in ° C).
- the temperature may be cooled in a baking furnace, or may be taken out of the baking oven and cooled by, for example, being introduced into water.
- Ceramics processing (Gihodo Publishing Co., Ltd. 1989 8 7) 2 17 pages The self-propelled gun method ⁇ Hammer-Anvi 1 method 's 1 ap method' gas atomizing method 'bras masbure method ⁇ centrifugal quenching method' meltdrag
- a rapid quenching method such as a method can be used.
- cooling may be performed using the single roller method or the twin roller method described in New Glass Handbook (Maruzen 1991), p. ''
- the raw material is supplied during firing; In the case of a material that melts in time, the ability to stir the melt is preferred.
- the gas atmosphere is preferably an atmosphere having an oxygen content of 5% by volume or less, and more preferably a non-gas atmosphere.
- the non-volatile 14 gas include nitrogen, argon, helium, krypton, xenon, and the like.
- the most preferred impurity gas is pure argon.
- the amorphous oxide of the present invention is taken out in a lump after firing and cooling, and is pulverized and handled as a granular material.
- This milled amorphous oxide typically has a broad particle size distribution. If large particles are present, the separator may be damaged when the battery is made, causing internal problems and a reduction in storage capacity. Also, the presence of fine particles has clearly posed problems such as deterioration of the cyclability and the tendency of the current collector to separate easily.
- the negative electrode material of the present invention and a preferred size distribution will be described.
- a sieve method of dispersing the particles in an appropriate dispersion medium passing the dispersion through a sieve of an appropriate size and weighing the residue on the sieve, an optical microscope, There are ⁇ II method by electron microscope, optical icSL and laser diffraction method, etc. It is preferable to use and separate according to the size range of particles.
- the compound represented by the present invention preferably has an average particle size of 0.1 to 60 m.
- the mixing ratio of the large size and the minute size in the present invention is preferably as follows.
- the mixing ratio of particles of 25 m or more and 100 m or less is 0 wt% or more and 10 wt% or less and 0.01 m or more and 1 m or less is 0.01 wt% or more and 5 wt% or less, more preferably ,
- a mixing ratio of particles of 25 am or more and 100 m or less is 0 wt% or more and 5 wt% or less and 0.01 m or more and 1 m or less is 0.01 wt% or more and 3 wt% or less, particularly preferably.
- the mixing ratio of particles of 25 m or more and 100 m or less is 0 wt% or more and 3 wt% or less and 0.01 / am or more and 1 m or less is 0.01 wt% or more and 2 wt% or less. It is the next battery.
- a well-known pulverizer or classifier is used.
- mortars, ball mills, sand mills, vibrating ball mills, satellite ball mills, planetary ball mills, swirling air jet mills and sieves are used.
- Water during the crushing Alternatively, wet pulverization in the presence of an organic solvent such as methanol can also be carried out according to.
- Classification is preferably performed to obtain a desired particle size.
- the classification method is not particularly limited, and a sieve, an air classifier, or the like can be used according to ⁇ . Classification can be used for both! ⁇ And wet methods.
- a nonaqueous secondary battery having more excellent charge / discharge cycle characteristics, a higher discharge voltage, and a higher capacity can be obtained by using the compound thus obtained as a negative electrode material.
- a particularly excellent effect can be obtained by using an amorphous compound containing Sn and having a divalent valence of Sn as a negative electrode active material.
- the valence of Sn can be determined by a chemical titration operation. For example, it can be separated by the method described on page 165 of Physics and Chemistry of Glasses Vol.8 No.4 (1967). It can also be determined from the night shift by solid state nuclear magnetic resonance (NMR) measurement of Sn.
- the positive electrode active material used in the present invention may be a transition metal oxide capable of reversibly inserting and releasing lithium ions, but is particularly preferably a lithium-containing transition metal oxide.
- Preferred lithium-containing transition metal oxide positive electrode active materials used in the present invention include oxides containing lithium-containing Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Mo, and W.
- the mixing amount is preferably 0 to 30 mol% based on the transition metal, 0
- lithium-containing transition metal oxide positive electrode active materials used in the present invention include lithium compounds / transition metal compounds (where transition metals are Ti, V, Cr, Mn, Fe, Co, Ni And at least one selected from Mo, W) is preferably mixed and synthesized so that the total molar ratio of the compounds becomes 0.3 to 2.2.
- Particularly preferred lithium-containing transition metal oxide positive electrode active materials used in the present invention include lithium compounds and Z transition metal compounds (where transition metals are V, Cr, ⁇ n, Fe, Co, N It is preferable to synthesize them by mixing them so that the total molar ratio of at least one selected from i) is 0.3 to 2.2.
- Q other than transition metals, A, Ga, In, Ge, Sn, Pb, Sb, Bi, Si, P, B, etc. may be mixed.
- the mixing amount is preferably 0 to 30 mol% based on the transition metal.
- the above-mentioned A value is a value before the start of charging and discharging, and increases or decreases due to electric discharge.
- the positive electrode active material is preferably a method in which a lithium compound and a transition metal compound are mixed and fired, or a force capable of being synthesized by a solution reaction, and particularly a firing method.
- the firing temperature used in the present invention may be a temperature at which a part of the mixed compound used in the present invention decomposes and melts, for example, preferably 250 to 2000, and more preferably 350 to 1500 ° C. preferable.
- the firing time is preferably from 1 to 72 hours, more preferably from 2 to 20 hours.
- the method of mixing the raw materials may be dry or wet. Also, after firing. It may be annealed at C to 900 ° C.
- the firing gas atmosphere is not particularly limited, and may be either a oxidizing atmosphere or a reducing atmosphere.
- a gas in air or a gas whose concentration is adjusted to an arbitrary ratio, or hydrogen, —carbon oxide, nitrogen, argon, helium, krypton, xenon, carbon dioxide and the like can be mentioned.
- the method of chemically inserting lithium ions into the transition metal oxide is preferably a method of synthesizing lithium metal, a lithium alloy or butyllithium with the transition metal oxide.
- the average size of the positive electrode active material used in the present invention is not particularly limited, but is preferably 0.1 to 50 m.
- the specific surface area is not particularly limited, but is preferably from 0.01 to 50 m 2 by the BET method.
- the pH of the supernatant is preferably 7 or more and 12 or less.
- a well-known pulverizer / separator is used.
- a mortar, a ball mill, a vibrating ball mill, a vibrating mill, a satellite ball mill, a planetary ball mill, a swirling air jet mill II sieve and the like are used.
- Positive electrode active material obtained by firing is water, acidic aqueous solution, alkaline aqueous solution, organic solution It may be used after washing with the agent.
- the equivalent of lithium insertion into the negative electrode material of the present invention is 3 to 10 equivalents, and the usage ratio with the positive electrode active material is determined according to this equivalent. It is preferable to multiply the usage ratio based on this equivalent by a factor of 0.5 to 2 times. If the lithium source is other than the positive electrode active material (eg, lithium metal, alloy, butyllithium, etc.), determine the amount of the positive electrode active material to be used according to the lithium release equivalent of the negative electrode material. Also at this time, it is preferable to multiply the usage ratio based on this equivalent by a factor of 0.5 to 2 times.
- the electrolyte used in the present invention includes, as an organic solvent, propylene carbonate, ethylene carbonate, butylene carbonate, dimethyl carbonate, diethyl carbonate, 7-butyrolactone, 1,2-dimethoxyethane, tetrahydrofuran, and 2-hydrofuran.
- a mixture of ethylene carbonate and 1,2-dimethoxyethane and Z or getyl carbonate be added to a mixture of L i CF 3 S ⁇ 3 , L i C 10 4 , L i BF 4 and Z
- An electrolyte containing Li PFe is preferred.
- the amount of these electrolytes to be added to the battery is not particularly limited, but the required amount can be used depending on the amounts of the positive electrode active material and the negative electrode material and the size of the battery.
- the concentration of the supporting electrolyte is preferably 0.2 to 3 mol per liter of the electrolyte.
- Solid electrolytes are classified into inorganic solid electrolytes and organic solid electrolytes.
- Well-known inorganic solid electrolytes include Li nitrides, halides, and oxyacid salts.
- Examples of the organic solid electrolyte include a polyethylene oxide derivative or a polymer containing the derivative (Japanese Patent Laid-Open No. 63-135,447), a polymer containing the polypropylene oxide derivative or a conductor, and a polymer containing an ion dissociating group. JP-A-62-254,302; JP-A-62-254,303; JP-A-63-193,954), a mixture of a polymer containing an ion-dissociating group and the above aprotic electrolyte (US Pat. No. 4,792,504).
- the negative electrode material of the present invention As described above, by using the negative electrode material of the present invention, a battery having high capacity and good cyclability can be manufactured.
- these high-capacity batteries cause abnormal current to flow due to external short-circuits caused by misuse such as forced discharge, etc. It may cause an accident such as a remarkable rise, ejection of contents, or rupture of a battery can.
- various measures have been taken, such as incorporating a safety valve and incorporating a current cutoff element such as a PTC, but this has not been an essential solution for heat generation.
- a material having a high ion permeability, a predetermined mechanical strength, an insulating microporous material or a gap is used.
- Occlusion temperature of these gaps 9 0 ° C over 1 8 0 ° C or less, and more favorable Mashiku is 1 7 O 'C inclusive 1 1 0 e C.
- the method of forming the gap varies depending on the material, but may be a known method of deviation or deviation.
- the shape of the pores is usually circular or elliptical, with a size of 0.05 to 30 m, preferably 0.1 to 20 m.
- the hole may be a bar-shaped or irregular hole.
- the gap is the space between male fibers, woven fabric, non-woven fabric depends on how to make. Ratio i.e. porosity occupied by these gaps is 90% from 2 0%, 80% force from 35%: good preferable.
- the separator of the present invention is a cloth such as a microporous film, woven cloth, or nonwoven cloth of 5 m or more and 100 m or less, more preferably 10 m or more and 80 m or less.
- the separator of the present invention preferably contains at least 20% by weight of an ethylene component, and particularly preferably contains at least 30% by weight.
- components other than ethylene include propylene, butene, hexene, fluorinated ethylene, vinyl chloride, vinyl acetate, and acetalized vinyl alcohol, and propylene and fluorinated ethylene are particularly preferred.
- the microporous film is preferably made of polyethylene, ethylene-propylene copolymer or ethylene butene copolymer. Further, those prepared by mixing and dissolving polyethylene and polypropylene, and polyethylene and polytetrafluoroethylene are also preferable.
- the yarn diameter is 0.1 m force, etc., and it is bolylene, ethylene-propylene copolymerized polymer, ethylene butene 1 copolymerized polymer, ethylene-methyl butene copolymer, ethylene-methyl pentene copolymer, ethylene-methyl pentene copolymer, Polypropylene, polytetrafluoroethylene is preferably made of titanium fiber.
- separations may be a single material or a composite material.
- materials of different forms such as two or more types of microporous films laminated with different pore sizes, air bubbles and pore closing temperatures, microporous film and nonwoven fabric, microporous film and woven fabric, nonwoven fabric and paper, etc.
- Composite power is particularly preferred.
- the separation of the present invention may contain inorganic fibers such as glass fibers and carbon fibers, and inorganic particles such as silicon dioxide, zeolite, alumina and talc.
- inorganic fibers such as glass fibers and carbon fibers
- inorganic particles such as silicon dioxide, zeolite, alumina and talc.
- those that have been made hydrophilic by treating the voids and surfaces with a surfactant are also acceptable.
- the protective layer is composed of at least one layer, and may be composed of a plurality of layers of the same type or different types. These protective layers have substantially no electronic conductivity, that is, they are layers of excellence. When the protective layer is formed from a plurality of layers, at least the outermost layer is indispensable.
- the thickness of the protective layer is preferably from 1 to 40 m, more preferably from 2 to 30 m. Further, it is desirable that the protective layer containing these particles does not melt at 30 O'C or less and does not form a new film.
- These protective layers preferably contain insulating organic or inorganic particles. The size of these particles is preferably from 0.1 to 20 m, more preferably from 0.2 to 15 m.
- a preferred organic material is a crosslinked latex or fluororesin powder having a glass transition point of 25 O'C or more and 35 O'C or less, and those which do not decompose or form a film. preferable. More preferred is Teflon powder.
- examples of the inorganic particles include metal, nonmetal carbide, silicide, nitride, sulfide, and oxide.
- SiC silicon carbides
- aluminum nitride aluminum nitride
- BN aluminum nitride
- BP BP
- Be B and Be.BN are used as sintering aids.
- the SiC used is particularly preferred.
- a 1 is as these oxides 2 0 3, As 4 0 6 , B 2 0 3, Ba_ ⁇ , BeO, CaO, L i 2 0, K 2 ⁇ , Na 2 ⁇ , ln 2 0 3, MgO, Sb 2 0 5 ,
- These inorganic compound particles are used in the form of particles of 0.1 / m or more and 20 Atm or less, particularly preferably 0.2 m or more and i 5 m or less, by controlling production conditions or pulverizing.
- the content of ⁇ used in the present invention is preferably 1 to 80 g / m ⁇ is 2 ⁇ 4 0 g Zm 2.
- the protective layer is formed by using the above substantially non-conductive, electrically conductive particles and a binder.
- a binder used when forming an electrode mixture described later can be used.
- the ratio of the absorptive material having no conductivity to the binder is preferably 40 to 1% by weight and 96% by weight or less, more preferably 50 to 92% by weight based on the total weight of both.
- the protective layer may be applied to one of the positive and negative electrodes, or may be applied to both the positive electrode and the negative electrode.
- the protective layer may be applied on both sides thereof, or the protective layer may be applied on only one side. Good. However, either one of the positive and negative electrodes facing each other via the separator must be coated.
- Coating of protective layer IS ⁇ may be a sequential coating in which a mixture containing a material capable of reversibly inserting and extracting lithium is applied on a current collector, and then a protective layer SJ1 is sequentially applied. And a simultaneous coating method of simultaneously coating the protective layer.
- the positive electrode mixture or negative electrode mixture can be made by coating on a current collector.
- each can contain a conductive agent, a binder, a dispersant, a filler, an ionic conductive agent, a pressure enhancer, and various additives.
- the surface of the negative electrode material can be coated with an oxide having a different structure from the positive electrode active material or the negative electrode material used.
- the surface oxide is preferably an oxide containing a compound that dissolves in both acidity and alkalinity.
- a metal oxide having high electron conductivity is preferable.
- Pb_ ⁇ 2, Fe 2 ⁇ 3, Sn0 2, I n 2 0 3, Z N_ ⁇ like and or Dono down bets on these oxides (e.g., in the oxide metal having different original, a halogen element) of It is preferable to include them.
- the amount of the metal oxide used for these surface treatments is preferably from 0.1 to 10% by weight, more preferably from 0.2 to 5% by weight, based on the positive electrode active material and the negative electrode material. Three to three weights are most preferred.
- the surface of the positive electrode active material or the negative electrode material can be modified.
- the surface of the metal oxide may be treated with an esterifying agent, treated with a chelating agent, or treated with a conductive polymer, polyethylene oxide, or the like.
- Examples of negative electrode materials that can be used in conjunction with the present invention include lithium metal, lithium alloys (Al, A 1 -Mn (US Pat. No. 4,820,599), A 1 -Mg (JP-A-57-98977). A1 -Sn (JP-A-63-6,742), Al-In, A1-Cd (JP-A-1-144,573), etc., and lithium ions or lithium metal
- the resulting calcined carbonaceous compounds for example, JP-A-58-209,864, 61-214, 41, 62-88,269, 62-216, 170, 63- 1 3, 282, 63- 24, 555, 63- 1-21, 247, 63- 1 2, 1, 257, 63- 1 55,568, 63-276, .873, 63- 3 14, 821, JP-A-11-204, 361, JP-A-221, 859, JP-A-274, 360, etc.).
- the purpose of the combined use of the lithium metal and lithium alloy is to introduce lithium into the negative electrode material used in the present invention by a battery, and use a thigh / precipitation reaction of lithium metal or the like as a battery reaction. That's not something.
- a conductive agent, a binder, or a filler can be added to the electrode mixture.
- Conductive The agent may be any material that does not cause a chemical change in the constructed battery. Normally, natural graphite (eg, graphite, flake graphite, earth graphite, etc.), artificial graphite, carbon black, acetylene black, Ketjen black, carbon fiber and metal (copper, nickel, aluminum, silver) 63-148, 554)) Conductive materials such as powders, metal fibers, and bolifenylene derivatives (Japanese Patent Application Laid-Open No. 59-20 / 971) may be used alone or as a mixture thereof. Can be powerful to include. ⁇ ⁇ Combination of lead and acetylene black is particularly preferred.
- the addition amount is preferably 1 to 50% by weight, and particularly preferably 2 to 30% by weight. For carbon and graphite, 2 to 15% by weight is particularly preferred.
- Binders are usually starch, polyvinyl alcohol, carboquin methyl cellulose, hydroquin propyl cellulose, cellulose, diacetyl cellulose, polyvinyl chloride, polyvinyl pyrrolidone, tetrafluoroethylene, polyfluoroethylene.
- Polysaccharides such as vinylidene fluoride, polyethylene, polypropylene, ethylene-propylene diene turbomer (EPDM), sulfonated EPDM, styrene butadiene rubber, polybutadiene, fluoro rubber, polyethylene oxide, thermoplastic resin, and rubber elasticity Bolimers and the like are used alone or as a mixture thereof.
- the binder is preferably 1 to 50% by weight, and particularly preferably 2 to 30% by weight.
- the filler can be made of any material that does not cause a chemical change in the constructed battery.
- fibers such as polypropylene, polyethylene, and other olefin-based polymers, glass, and carbon are used.
- the amount of the filler added is not particularly limited, but is preferably 0 to 30% by weight.
- a water-dispersed mixture paste containing the compound of the present invention is applied on a current collector and dried, and ⁇ ⁇ of the water-dispersed mixture paste is applied.
- C is preferably 5 or more and less than 10 and more preferably 6 or more and less than 9.
- the temperature of the aqueous dispersion paste is 5'C or more and 80 or more. It is preferable to keep the temperature below C and apply the paste on the current collector within 7 days after preparation of the paste. It is known that the following compounds are added to an electrolyte for the purpose of improving the discharge-charge / discharge characteristics.
- pyridine JP-A-49-108,525), triethylphosphite (JP-A-47-4,376), triethanolamine (JP-A-52-72,425), cyclic ether (JP-A-52-72,425) 57-152, 684), ethylenediamine (JP-A-58-87,777), n-glyme (JP-A-58-87,778), hexanoic acid triamide (JP-A-58-87,779)
- Nitronitro derivatives JP-A-58-214,281), sulfur (JP-A-59-8,280), quinone imine dye (JP-A-59-68,184), N-substituted oxazolidinones N, N 'monosubstituted imidazolidinones (JP-A-59-154,778), ethylene glycol dialkyl ethers (JP-A-59-205,167),
- oils JP-A-62-287,580
- quaternary phosphonium salts JP-A-63-121,268
- sulfonium salts JP-A-63-121,269
- a halogen-containing solvent such as carbon tetrachloride or ethylene trifluoride chloride can be contained in the electrolyte.
- carbon dioxide gas can be included in the electrolyte to make it suitable for high-temperature storage (JP-A-59-134, 567).
- the mixture of the positive electrode and the negative electrode may contain an electrolytic solution or an electrolyte.
- the Tsurumi ion conductive polymer, nitromethane (JP-A-48-36,633), and electrolyte (JP-A-57-124,870) ) Is known.
- any electronic conductor that does not cause a chemical change in the configured battery may be used.
- a material obtained by treating the surface of aluminum or stainless steel with carbon, nickel, titanium, or silver, in addition to stainless steel, Nigel, aluminum, titanium, and carbon is used.
- aluminum or an aluminum alloy is preferable.
- the negative electrode in addition to materials such as stainless steel, nickel, copper, titanium, aluminum, and carbon, copper and stainless steel surfaces with carbon, nickel, titanium, or silver treated, A1-C d alloy or the like is used.
- copper or a copper alloy is preferable. Oxidation of the surface of these materials is also used. It is also desirable to make the current collector surface uneven by surface treatment.
- a film, a sheet, a net, a punched material, a lath body, a porous body, a foam, a molded body of a fiber group, and the like are used.
- the thickness is not particularly limited, a thickness of 1 to 500 m is used.
- the shape of the battery can be applied to coins, buttons, seats, cylinders, flats, corners, etc.
- the shape of the battery is a coin or a button
- the mixture of the positive electrode active material and the negative electrode material is mainly used after being compressed into a pellet shape.
- the thickness and diameter of the pellet are determined by the size of the battery.
- the mixture of the positive electrode active material and the negative electrode material is mainly used after being coated (coated) on a current collector, dried, and compressed.
- a general method can be used. Examples of the method include a reverse roll method, a direct roll method, a blade method, a knife method, an extrusion method, a curtain method, a gravure method, a bar method, a dip method, and a squeeze method.
- the blade method, the knife method and the extrusion method are preferred.
- the application is preferably carried out at a rate of 0.1 to 10 OmZ.
- the application may be ⁇ , intermittent or stripe.
- the thickness, length and width of the coating layer are determined by the size of the battery.
- the thickness of the coating layer on one side is In the compressed state, a force of 1 to 2000 m is particularly preferred.
- a generally employed method can be used.
- thermal IL vacuum infrared rays, far infrared rays, electricity, and low humidity air alone or in combination.
- the temperature is preferably in the range of 80 to 35 O'C, particularly preferably in the range of 100 to 250 ° C.
- the water content of the whole battery is preferably 2000 ppm or less, and the positive electrode mixture, the negative electrode mixture and the electrolyte are each preferably 500 ppm or less from the viewpoint of cycleability.
- the breathing method for the pellet sheet a generally used method can be used, but the die pressing method and the calender pressing method are particularly preferable.
- the breath pressure is not particularly limited, but is preferably 0.2 to 3 tZcm 2 .
- the breathing speed of the calender press method is preferably from 0.1 to 50 mZ, and the pressing temperature is preferably from room temperature to 200 ° C.
- the ratio of the width of the negative electrode sheet to the width of the negative electrode sheet is preferably 0.9 to 1.1, more preferably 0.95 to 1.0.
- the content ratio between the positive electrode active material and the negative electrode material varies depending on the type of compound and the formulation of the mixture, and cannot be limited. However, it can be set to an optimum value from the viewpoint of capacity, cycleability, and safety.
- a safety valve can be used as a sealing plate.
- various conventionally known safety elements may be provided. For example, fuses, bimetals, PTC elements, etc. are used as overcurrent prevention elements.
- a method of cutting the battery can a method of cracking the gasket, a method of cracking the sealing plate, or a method of cutting from the lead plate can be used as a measure against the rise of the inside of the battery can.
- the charger may be provided with a protection circuit incorporating a measure for overcharging or overdischarging, or may be connected independently.
- a countermeasure for overcharging there can be provided a ⁇ for interrupting the current by increasing the internal pressure of the battery.
- a compound for increasing the internal pressure can be contained in the mixture or the electrolyte. Examples of compounds used to increase the internal pressure, L i 2 CO 3, L i HC0 3, Na 2 C0 3, NaHC0 3, CaC0 3, MgC0 3 and the like carbonates such.
- a metal or alloy having electrical conductivity can be used for the can or the lead plate.
- metals such as iron, nickel, titanium, chromium, molybdenum, copper, and aluminum, or alloys thereof are used.
- Known methods eg, DC or AC electric welding, laser welding, ultrasonic welding
- a conventionally known compound or mixture such as asphalt can be used as the sealing agent for sealing. .
- non-aqueous secondary battery of the present invention is not particularly limited.
- a color notebook computer a black-and-white notebook computer, a pen-input personal computer, a pocket (palmtop) personal computer, a notebook computer Professional, pocket word processor, e-book player, mobile phone, cordless phone handset, pager, handy terminal, mobile fax, mobile copy, mobile printer, headphone stereo, video movie, LCD TV, handy cleaner, portable CD , Minidisk, electric shaver, electronic translator, car phone, transceiver, mm Mr, electronic organizer, memory card, tape recorder, radio, back-up power supply, memory card, etc.
- FIG. 1 is a cross-sectional view of a coin-type battery used in the example
- FIG. 2 is a cross-sectional view of a cylindrical battery used in the example.
- the compound 11A synthesized in Example 11 was 82% by weight, the flake graphite was 8% by weight as the conductive agent, the acetylene black was 4% by weight, and the binder was A beret (13 mm, 22 mg) obtained by compression-molding a mixture obtained by mixing polyvinylidene fluoride at a mixing ratio of 6% by weight in a far-infrared heater (dew point: 40 to 170 ° C, dry air) for dried over 1 50 e C 3 hours) Les was.
- the positive electrode active material L i CO0 2 to 82 ⁇ %.
- a SUS316 net of 80 m thick was welded to the coin can for both the positive and negative electrodes.
- the electrolyte solution was impregnated into a nonwoven fabric using a polypropylene nonwoven fabric.
- a coin-type non-aqueous secondary battery as shown in Fig. 1 was fabricated in the same dry box as above.
- This non-aqueous secondary battery was subjected to a charge / discharge test in the range of 4.2 to 2.8 V at a constant current density of 0.2 T SmAZcm 2 (all tests started with charging). Table 1 shows the results.
- the abbreviations shown in Table 1 are (a) the negative electrode material of the present invention, (b) the first discharge capacity (mAh per 1 g of the negative electrode material), (c) average discharge 3 ⁇ 4E (V), and (d) charge / discharge.
- the cyclability (the number of cycles at which the capacity reaches 60% of the first discharge capacity) is shown.
- Compounds 1 to 2 to 1 to 19, 2 to 1, 3 to 1, and 4 to 1 shown in Examples 1 to 4 In the same way, a secondary battery was prepared for the coin type non- 7 in the same manner and subjected to male electricity. Table 1 shows the results.
- the negative electrode active material used in the present invention is from excellent 3 ⁇ 43 ⁇ 4 electrodeposition cycle properties, and high discharge voltage, mow it is divided to provide a non-7 i secondary battery of high capacity.
- Example-2 The following compounds were synthesized by the same method as in Example-1, and a coin-type non-rechargeable battery was prepared by the same method as in Example-5. The results are shown in Table 2. From these results, it can be seen that the negative electrode active material used in the present invention is excellent in charge / discharge cyclability, and gives a non- 7 ] secondary battery with high power, high power, high discharge, and high capacity.
- the negative electrode active material used in the present invention provides a non-aqueous secondary battery with excellent charge-discharge cycle properties, high discharge voltage, and high capacity.
- the composite oxide having a Group 1 element or a Group 2 element of the periodic table has excellent cycleability, and particularly, a compound having Group 1 and especially K and Cs has excellent performance. You can see that there is.
- Example 11 The following compounds were synthesized in the same manner as in Example 11, a coin-type non-aqueous secondary battery was fabricated in the same manner as in Example 15, and a charge / discharge test was performed. The results are shown in Table 3.
- the anode active material used in the present invention results in excellent charge-discharge cycle characteristics, and Kore, discharge 3 ⁇ 4, it can be seen to provide a non-7 K secondary battery of high capacity.
- These compounds also had a broad scattering band having a peak at 20 'to 40 ° at 20 values in X-ray diffraction using CuKa rays.
- a coin-type non-aqueous secondary battery was fabricated and subjected to a charge / discharge test.
- the latter half composite oxide was synthesized by the following method.
- Table 4 shows the results of charge and discharge ⁇ of these compounds. From these results, it can be seen that the compound of the present invention is superior in the charge cycle 14 and the capacity to any of the comparative compounds.
- the compound 111 synthesized in Example 11 was used, and it was 88% by weight, 6% by weight of flaky graphite, and 4% by weight of an aqueous dispersion of vinylidene polyfluoride as a binder. 1% by weight of carboxymethylcellulose and 1% by weight of lithium acetate were added, and kneaded using water as a medium to prepare a slurry. The slurry is applied to a copper foil having a thickness of 18 im by an extrusion method, dried, compression-molded by a calender press, and cut into a predetermined width and length to produce a strip-shaped negative electrode sheet. did. The thickness of the negative electrode sheet was 78 m.
- a positive electrode material L i Co 0 2 to 8 ⁇ %, ⁇ like graphite 6Sfi%, acetylene black 3Fifi%, further polytetramethylene full O Roe Chi drain water dispersion 3 and Poriakurinore acid Natoriu beam 1 as a binder was added and the aqueous The slurry obtained by kneading was used as a medium, and was applied to a 20-finger-thick aluminum foil in the same manner as described above, dried, pressed and cut. Then, a belt-like positive electrode sheet having a thickness of 250 m was produced.
- Nickel and aluminum lead plates were spot-welded to the ends of the negative electrode sheet and the positive electrode sheet, respectively, and then dried at 230 ° C for 30 minutes in dry air having a dew point of 40 ° C or less. Furthermore, the dehydrated and dried positive electrode sheet (8), the microporous polyethylene film separator, the ice-dried negative electrode sheet (9) and the separator (10) are laminated in this order, and this is spirally wound by a wrapping machine. Wound.
- This roll was turned into a nickel bottomed cylindrical battery can (11) with nickel plating that also served as the negative electrode terminal. Further, the same material as in Example-5 was injected into the battery can.
- a cylindrical battery was fabricated by caulking the battery lid (12) having a positive electrode terminal via a gasket (13). The positive electrode terminal (1 2) was connected to the positive electrode sheet (8), and the battery can (11) was connected to the negative electrode sheet (9) by a lead terminal in advance.
- FIG. 2 shows a cross section of the cylindrical battery. (14) is the ⁇ : valve. The condition was 4.15 to 2.8 V, 1 mA / cm 2 . Table 5 shows the results. The abbreviations shown in Table 5 are the same as those in Example 11 for (b), (c), and (d). (e) shows the energy density per battery.
- Table 5 shows the same results for, 7-34 and 7-35.
- Table 5 ab mAH / gc V d times e amount
- Example - in 8 as an anode active material, SnO instead of Compound 1 one 1, except for using SnS i 0. 5 0 ,. s is created a cylindrical battery in the same manner as in example of 8, charge A discharge test was performed. Table 6 shows the results.
- Sample 1 was measured for particle size distribution using a HOR IBA particle size analyzer L A-500.
- the cumulative volume frequency of particles of 1 m or less was measured, and the weight content of arabic particles of 1 m or less was determined.
- a glassy compound was obtained in the same manner as 9-11A.
- pulverization was performed in the same manner as in 9.1 A except that the feed rate of the pulverized raw material to the jet mill was increased by 10%.
- a ground product with an average diameter of 9.3 m was obtained.
- a glassy compound was obtained in the same manner as 9-11A.
- the crushing was performed in the same manner as in 9-1 A except that the feed rate of the crushed material to the jet mill was increased by 25%.
- a ground product having an average particle size of 10.5; / m was obtained.
- a ground product was obtained in the same manner as in 9-1 A. Next, a wind separation method was performed to obtain a ground product having an average particle size of 8. In m. (9-11D)
- a cylindrical battery was manufactured in the same manner as in Example 18 using 911 A to 9-1 D and specific materials 911 E and 9-1 F as negative electrode materials, and charged and discharged. Was. as a result
- the battery was charged / discharged at 4.1-2.8 V, charged to 4.15 V, stored at 55 ° C for one month, and then discharged to 2.8 V.
- Table 7 shows the capacity ratios after did.
- each of the 50 batteries described above was made, disassembled, and observed at the separator.
- Table 7 shows the number of batteries where the separator 1 was damaged.
- the B ⁇ in Table 7 shows (f) the negative electrode material of the present invention, (g) a content (wt%) of 25% or more, (h) a content (wt%) of 1 or less, (i) Discharge capacity per active material (mAHZg), (j) Average method transfer (V), (k) Charging / discharging cycle (cycle number at 60% of first discharge capacity) (1) 55 The volume ratio (%) before and after storage for one month and (m) the number of damaged separators are shown.
- Example 7 35 In an 8 as a negative electrode material, except using L IMN 2 ⁇ 4 as a positive electrode material, Example - creates a cylindrical battery in the same manner as 8, Example - collector 8 with the same method The test was performed. As a result, it was possible to obtain excellent battery performance with a discharge average mJE of 3.55 V, cycle performance of 630 times, and an energy density per battery of 5.0 WH.
- Example-8 a cylindrical battery was produced using the following compound as the negative electrode material, or using the same compound D used in Comparative Example 11 and the following separator. The following was used for the separation Yuichi used.
- S-1 Polyethylene film with a thickness of 50 rn and a porosity of 63%.
- Non-woven fabric with a thickness of 50m made of polyethylene yarn with an average fiber diameter of 1m and polypropylene yarn with an average weight of 1m
- S-5 50 m thick non-woven fabric consisting of 30% by weight of polyethylene thread with an average arrowhead diameter of 1 tm and 70% by weight of polypropylene yarn with an average arrowhead diameter of 1 m
- S-6 Same as S-2 except that ethylene is 20% by weight.
- S- 7 Non-woven fabric of 50 m thickness consisting of 20% by weight of polyethylene thread with average arrowhead diameter of 1 m and 8 OSfi of polypropylene arrow with average arrowhead diameter
- SC 1 50 m thick non-woven fabric consisting of 10% polyethylene fiber of 1 ⁇ m diameter and 90 weight of polypropylene fiber of average fiber diameter
- SC 2 Polypropylene film with a thickness of 50 ⁇ ⁇ air particles of 62%.
- SC 3 same as S-2 except that ethylene is 10% by weight.
- Table 8 shows the negative electrode materials, separators, and battery numbers used.
- the conditions of the charge / discharge test were 4.3 to 2.7 V and ImAZcm 2 .
- the battery charged to 4.55 V was externally connected to each other, and the breakdown at the time of short circuit was examined. Table 8 shows the results.
- the safety represented by the opening of the safety valve of the battery using the anode compound (6-1) of the present invention depends on the type of the separator. It is understood that when a separator other than the present invention is used, the valve is opened on the outside and the contents squirt out, whereas no abnormality occurs in combination with the separator of the present invention. It was also found that particularly good results could be obtained by using a composite separator of S-3.
- the compound 7-1 used in Example 7 was used as the negative electrode material, and 88% by weight thereof, 6% by weight of flaky graphite, and 4% by weight of an aqueous dispersion of polyvinylidene fluoride as a binder were used. 1% by weight of carboxymethylcellulose and 1% by weight of lithium acetate were added, and kneaded with water as a medium to prepare a slurry. The slurry was applied to both sides of a 18 tm thick copper foil by an extrusion method.
- the resulting slurry was applied to form a protective layer. After drying, it was compression-molded with a calender press and cut into a predetermined width and length to produce a strip-shaped negative electrode sheet.
- the thickness of the negative electrode sheet was 100 m.
- a positive electrode material L i CO0 2 to 87 by weight%, ⁇ like graphite 6SS%, acetylene black 3Sfi%, further polytetramethylene full O b ethylene aqueous dispersion 3 and 1 by weight% Helsingborg sodium acrylate as a binder
- the slurry obtained by kneading with water as a medium was applied to aluminum foil having a thickness of 20 m in the same manner as described above.
- ⁇ - A 1 2 0 3 (average ⁇ L ⁇ m) 94, 5 wt%, polyvinylidene fluoride, 4, 5 weight were mixed in a ratio of carboxy methylcellulose 1% by weight were kneaded with water as a medium
- the slurry was applied to form a protective layer. After drying, it was compression-molded by a calender press and cut into a predetermined width and length to produce a belt-shaped positive electrode sheet.
- the thickness of the positive electrode sheet was 265 m.
- a cylindrical battery was prepared in the same manner as in Example 8. After 10 batteries were prepared and charged to 4 and 15 V with 1 mA / era 2 and stored at 60 ° C. for 3 weeks. Three weeks later, the circuit 3 ⁇ 4BE of each battery was measured, and the following results were obtained.
- Example 1 300 same batteries as in 11 were prepared and charged to 4, 15 V. The number of batteries with poor charging was determined to be 0.
- a lithium-containing transition metal oxide is used as a positive electrode active material, and at least one specific amorphous composite oxide is used as a negative electrode material. It is possible to obtain a non-aqueous secondary battery that provides a capacity and an excellent power cycle.
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- Engineering & Computer Science (AREA)
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- Secondary Cells (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53162096A JP4045600B2 (ja) | 1995-04-19 | 1996-04-18 | 非水二次電池 |
DE69636595T DE69636595T2 (de) | 1995-04-19 | 1996-04-18 | Sekundärbatterie mit nichtwässrigen elektrolyten |
US08/930,336 US6004695A (en) | 1995-04-19 | 1996-04-18 | Nonaqueous secondary battery |
EP96910197A EP0823741B1 (en) | 1995-04-19 | 1996-04-18 | Nonaqueous secondary battery |
AU53469/96A AU5346996A (en) | 1995-04-19 | 1996-04-18 | Nonaqueous secondary battery |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11659495 | 1995-04-19 | ||
JP7/116594 | 1995-04-19 | ||
JP9537695 | 1995-04-20 | ||
JP7/95376 | 1995-04-20 | ||
JP7/106267 | 1995-04-28 | ||
JP7/106265 | 1995-04-28 | ||
JP10626595 | 1995-04-28 | ||
JP10626795 | 1995-04-28 | ||
JP7/277317 | 1995-10-25 | ||
JP27731795 | 1995-10-25 |
Publications (1)
Publication Number | Publication Date |
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WO1996033519A1 true WO1996033519A1 (fr) | 1996-10-24 |
Family
ID=27525741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1996/001059 WO1996033519A1 (fr) | 1995-04-19 | 1996-04-18 | Accumulateur electrique non aqueux |
Country Status (6)
Country | Link |
---|---|
US (1) | US6004695A (ja) |
EP (1) | EP0823741B1 (ja) |
JP (1) | JP4045600B2 (ja) |
AU (1) | AU5346996A (ja) |
DE (1) | DE69636595T2 (ja) |
WO (1) | WO1996033519A1 (ja) |
Cited By (4)
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WO2000017949A1 (fr) * | 1998-09-18 | 2000-03-30 | Canon Kabushiki Kaisha | Materiau electrode pour pole negatif d'une cellule secondaire au lithium, structure d'electrode utilisant ce materiau electrode, cellule secondaire au lithium utilisant cette structure d'electrode, et procede de fabrication de cette structure d'electrode et de cette cellule secondaire au lithium |
US6890685B2 (en) | 2001-03-27 | 2005-05-10 | Nec Corporation | Anode for secondary battery and secondary battery therewith |
US7534528B2 (en) | 1998-09-18 | 2009-05-19 | Canon Kabushiki Kaisha | Electrode material for anode of rechargeable lithium battery, electrode structural body using said electrode material, rechargeable lithium battery using said electrode structural body, process for producing said electrode structural body, and process for producing said rechargeable lithium battery |
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US6517974B1 (en) | 1998-01-30 | 2003-02-11 | Canon Kabushiki Kaisha | Lithium secondary battery and method of manufacturing the lithium secondary battery |
GB2347140B (en) * | 1999-02-25 | 2003-05-14 | Univ Hong Kong Polytechnic | Storage cells |
KR100307160B1 (ko) * | 1999-03-06 | 2001-09-26 | 김순택 | 리튬 이차 전지용 양극 활물질 및 그 제조 방법 |
US6428933B1 (en) | 1999-04-01 | 2002-08-06 | 3M Innovative Properties Company | Lithium ion batteries with improved resistance to sustained self-heating |
JP2001006747A (ja) * | 1999-06-22 | 2001-01-12 | Sony Corp | 非水電解液二次電池 |
JP3103357B1 (ja) * | 1999-09-28 | 2000-10-30 | 株式会社サムスン横浜研究所 | リチウム二次電池用の負極材料の製造方法 |
JP2001256997A (ja) * | 2000-03-13 | 2001-09-21 | Sanyo Electric Co Ltd | リチウム二次電池 |
TW521451B (en) * | 2000-03-13 | 2003-02-21 | Canon Kk | Process for producing an electrode material for a rechargeable lithium battery, an electrode structural body for a rechargeable lithium battery, process for producing said electrode structural body, a rechargeable lithium battery in which said electrode |
EP1310005B9 (en) * | 2000-08-12 | 2011-06-22 | LG Chemical Co., Ltd. | Multi-component composite film method for preparing the same |
FR2873855B1 (fr) * | 2004-07-30 | 2006-12-08 | Cnes Epic | Materiau composite d'electrode negative, procede de fabrication, electrode negative et accumulateur lithium-ion |
JP5260857B2 (ja) * | 2006-11-13 | 2013-08-14 | 三洋電機株式会社 | 角形非水電解質二次電池及びその製造方法 |
JP2008300302A (ja) * | 2007-06-04 | 2008-12-11 | Panasonic Corp | 非水電解質二次電池及び非水電解質二次電池用正極の製造方法 |
US20090186276A1 (en) * | 2008-01-18 | 2009-07-23 | Aruna Zhamu | Hybrid nano-filament cathode compositions for lithium metal or lithium ion batteries |
US8557437B2 (en) | 2009-03-25 | 2013-10-15 | Tdk Corporation | Electrode comprising protective layer for lithium ion secondary battery and lithium ion secondary battery |
JP2010225545A (ja) * | 2009-03-25 | 2010-10-07 | Tdk Corp | リチウムイオン二次電池用電極及びリチウムイオン二次電池 |
WO2011060017A2 (en) | 2009-11-11 | 2011-05-19 | Amprius, Inc | Intermediate layers for electrode fabrication |
KR20140051928A (ko) | 2011-07-01 | 2014-05-02 | 암프리우스, 인코포레이티드 | 향상된 접착 특성을 가진 템플레이트 전극 구조체 |
KR102274611B1 (ko) | 2018-04-06 | 2021-07-06 | 주식회사 엘지에너지솔루션 | 수명 성능이 향상된 리튬 금속 이차전지 |
CN115084633B (zh) * | 2022-07-27 | 2025-04-25 | 上海交通大学 | 一种负极活性材料及其制备、负极片和锂离子电池 |
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JP3010226B2 (ja) * | 1993-03-10 | 2000-02-21 | セイコーインスツルメンツ株式会社 | 非水電解質二次電池及びその製造方法 |
JP3197684B2 (ja) * | 1993-03-30 | 2001-08-13 | 三洋電機株式会社 | 非水系電解質二次電池 |
US5618640A (en) * | 1993-10-22 | 1997-04-08 | Fuji Photo Film Co., Ltd. | Nonaqueous secondary battery |
US5683834A (en) * | 1994-09-07 | 1997-11-04 | Fuji Photo Film Co., Ltd. | Nonaqueous secondary battery |
JP4253853B2 (ja) * | 1995-06-28 | 2009-04-15 | 宇部興産株式会社 | 非水二次電池 |
JP3557748B2 (ja) * | 1995-09-21 | 2004-08-25 | 宇部興産株式会社 | 密閉型非水二次電池 |
JP3756232B2 (ja) * | 1996-01-17 | 2006-03-15 | 宇部興産株式会社 | 非水電解質二次電池 |
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1996
- 1996-04-18 WO PCT/JP1996/001059 patent/WO1996033519A1/ja active IP Right Grant
- 1996-04-18 US US08/930,336 patent/US6004695A/en not_active Expired - Lifetime
- 1996-04-18 AU AU53469/96A patent/AU5346996A/en not_active Abandoned
- 1996-04-18 EP EP96910197A patent/EP0823741B1/en not_active Expired - Lifetime
- 1996-04-18 DE DE69636595T patent/DE69636595T2/de not_active Expired - Lifetime
- 1996-04-18 JP JP53162096A patent/JP4045600B2/ja not_active Expired - Fee Related
Patent Citations (1)
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JPS62219466A (ja) * | 1986-03-20 | 1987-09-26 | Showa Denko Kk | 二次電池 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000017949A1 (fr) * | 1998-09-18 | 2000-03-30 | Canon Kabushiki Kaisha | Materiau electrode pour pole negatif d'une cellule secondaire au lithium, structure d'electrode utilisant ce materiau electrode, cellule secondaire au lithium utilisant cette structure d'electrode, et procede de fabrication de cette structure d'electrode et de cette cellule secondaire au lithium |
US6730434B1 (en) * | 1998-09-18 | 2004-05-04 | Canon Kabushiki Kaisha | Electrode material for anode of rechargeable lithium battery, electrode structural body using said electrode material, rechargeable lithium battery using said electrode structural body, process for producing said electrode structural body, and process for producing said rechargeable lithium battery |
US7534528B2 (en) | 1998-09-18 | 2009-05-19 | Canon Kabushiki Kaisha | Electrode material for anode of rechargeable lithium battery, electrode structural body using said electrode material, rechargeable lithium battery using said electrode structural body, process for producing said electrode structural body, and process for producing said rechargeable lithium battery |
US6890685B2 (en) | 2001-03-27 | 2005-05-10 | Nec Corporation | Anode for secondary battery and secondary battery therewith |
JP2014096390A (ja) * | 2009-10-22 | 2014-05-22 | Nippon Electric Glass Co Ltd | 蓄電デバイス用負極活物質及びその製造方法 |
JP2014130826A (ja) * | 2009-10-22 | 2014-07-10 | Nippon Electric Glass Co Ltd | 蓄電デバイス用負極活物質及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
AU5346996A (en) | 1996-11-07 |
EP0823741B1 (en) | 2006-10-04 |
EP0823741A4 (en) | 2004-06-30 |
DE69636595T2 (de) | 2008-02-14 |
EP0823741A1 (en) | 1998-02-11 |
JP4045600B2 (ja) | 2008-02-13 |
DE69636595D1 (de) | 2006-11-16 |
US6004695A (en) | 1999-12-21 |
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