CN103178297B - Lithium secondary battery and electrolyte thereof - Google Patents
Lithium secondary battery and electrolyte thereof Download PDFInfo
- Publication number
- CN103178297B CN103178297B CN201310066997.6A CN201310066997A CN103178297B CN 103178297 B CN103178297 B CN 103178297B CN 201310066997 A CN201310066997 A CN 201310066997A CN 103178297 B CN103178297 B CN 103178297B
- Authority
- CN
- China
- Prior art keywords
- lithium
- electrolyte
- ionic liquid
- proton type
- type ionic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003792 electrolyte Substances 0.000 title claims abstract description 66
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 51
- 239000002608 ionic liquid Substances 0.000 claims abstract description 59
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 35
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 19
- 239000003960 organic solvent Substances 0.000 claims abstract description 13
- 230000004888 barrier function Effects 0.000 claims abstract description 10
- -1 hexafluorophosphoric acid lithium salts Chemical class 0.000 claims description 22
- 150000001450 anions Chemical group 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 125000002091 cationic group Chemical group 0.000 claims description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- SIXOAUAWLZKQKX-UHFFFAOYSA-N carbonic acid;prop-1-ene Chemical group CC=C.OC(O)=O SIXOAUAWLZKQKX-UHFFFAOYSA-N 0.000 claims description 4
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical class [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 claims description 4
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 claims description 2
- ZVKRVGZVXQYLPZ-UHFFFAOYSA-N [Li].[V].P(O)(O)(O)=O Chemical compound [Li].[V].P(O)(O)(O)=O ZVKRVGZVXQYLPZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 235000010338 boric acid Nutrition 0.000 claims description 2
- 229960002645 boric acid Drugs 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 229910021385 hard carbon Inorganic materials 0.000 claims description 2
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 claims description 2
- ILXAVRFGLBYNEJ-UHFFFAOYSA-K lithium;manganese(2+);phosphate Chemical compound [Li+].[Mn+2].[O-]P([O-])([O-])=O ILXAVRFGLBYNEJ-UHFFFAOYSA-K 0.000 claims description 2
- MCVFFRWZNYZUIJ-UHFFFAOYSA-M lithium;trifluoromethanesulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)F MCVFFRWZNYZUIJ-UHFFFAOYSA-M 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 229910021384 soft carbon Inorganic materials 0.000 claims description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 16
- 235000019260 propionic acid Nutrition 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 150000008040 ionic compounds Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100369915 Drosophila melanogaster stas gene Proteins 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002460 imidazoles Chemical group 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000004714 phosphonium salts Chemical group 0.000 description 1
- 150000003053 piperidines Chemical group 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 150000003235 pyrrolidines Chemical group 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of lithium secondary battery and electrolyte thereof, described electrolyte contains lithium salts and proton type ionic liquid or lithium salts, proton type ionic liquid and organic solvent, and described lithium salts addition is: add 0.1-2mol in every kilogram of proton type ionic liquid; The mass ratio of described proton type ionic liquid and organic solvent is 1:0-1; The structure of described proton type ionic liquid is as follows:
r
1, R
2, R
3be selected from C separately
nh
2n+1, C
mh
2m+1oH or C
ph
2p+1cN, 1≤n≤16,1≤m≤16,1≤p≤16; R
4for C
qh
2q+1, q is 2 or 3; Described lithium secondary battery is containing housing, positive electrode, negative electrode, electrolyte and barrier film.Electrolyte of the present invention, viscosity is low, improves containing the high shortcoming of the electrolyte viscosity of ionic liquid, also can significantly improve the conductivity of electrolyte; Proton type ionic liquid also can promote the matching between electrolyte and electrode, barrier film.
Description
Technical field
The present invention relates to a kind of lithium secondary battery and electrolyte thereof, particularly relate to a kind of lithium secondary battery and the electrolyte thereof that contain proton type ionic liquid electrolyte.
Background technology
In today that energy and environment receive much concern, energy-storage battery has great advantages for development.Lithium battery is a kind of desirable selection in energy-storage battery, and it is born in the nineties in 20th century, is a kind of high energy green battery, has a lot of advantage, and as high voltage, high-energy-density, working temperature is wide, the life-span is long, self-discharge rate is low, memory-less effect etc.Lithium battery is used widely in military affairs and civil small-scale electrical equipment, as mobile phone, camera, notebook computer etc., and is progressively applied to the fields such as submarine, space flight and electric motor car.But still have many key issues need solve, could apply widely, as to ensure its high fail safe, environment friendly, need to improve its performance, reduce costs simultaneously.
Electrolyte improper use in lithium battery, may bring environmental problem, thus seeks a kind of environmentally friendly electrolyte newly imperative.And the novel liquid ionic compound-ionic liquid of a class occurred in recent years, substantially meet the principle of " Green Chemistry " that American scientist Ah that Stas once proposed.Ionic liquid (Ionicliquids is called for short ILs), therefore namedly thinks justice and refers to it is also at room temperature the fuse salt of liquid condition, also claims organic salt liquid, nonaqueous ionic liquid etc.General ionic compound is all at room temperature solid-state, and ionic liquid due to the volume of its anions and canons large, and it is asymmetric, so sterically hindered larger, therefore anions and canons can not rely on electrostatic force to make their internal microstructure tightly packed, reduces interionic active force, reduces lattice energy, molten boiling point is declined, so ionic liquid physical efficiency is at room temperature in liquid condition.Ionic liquid possesses some advantages that other chemical substances can not be compared, and it has wider electrochemical window, does not almost have vapour pressure, and wider thermal stable temperature scope, chemical stability is high.Owing to having above advantage, ionic liquid progressively becomes study hotspot as the research of electrolyte.
Ionic liquid is by the moon, a kind of ionic compound that cation is formed, not containing neutral molecule.By the cation classification forming ionic liquid, mainly contain following: quaternary ammonium salt, quaternary phosphonium salt, imidazole salt, pyrrolidines, piperidines, anion mainly contains AlCl4-, BF4-, PF6-, CF3SO3-, (CF3SO3) 2N-five kinds of ions, but the viscosity of these ionic liquids is all very large, its application in lithium ion battery is restricted.In the recent period, proton type ionic liquid due to its in room temperature close to water, there is comparatively low viscosity and receiving much concern.
Summary of the invention
Based on this, be necessary for the large problem of il electrolyte viscosity, provide in a kind of electrolyte containing the lithium secondary battery of proton type ionic liquid and electrolyte thereof.
The concrete technical scheme solved the problems of the technologies described above is as follows:
An electrolyte for lithium secondary battery, described electrolyte contains lithium salts and proton type ionic liquid or lithium salts, proton type ionic liquid and organic solvent; The addition of described lithium salts is: add 0.1-2mol in every kilogram of proton type ionic liquid; The mass ratio of described proton type ionic liquid and organic solvent is 1:0-1;
Described proton type ionic liquid is made up of cationic structural and anion structure, specific as follows:
Wherein:
R
1, R
2, R
3be selected from C separately
nh
2n+1, C
mh
2m+1oH or C
ph
2p+1cN, wherein, 1≤n≤16,1≤m≤16,1≤p≤16;
R
4for C
qh
2q+1, wherein, q is 2 or 3.
Wherein in some embodiments, R in described proton type ionic liquid
1, R
2, R
3be selected from C separately
nh
2n+1, C
mh
2m+1oH or C
ph
2p+1cN, wherein, 1≤n≤3,1≤m≤3,1≤p≤3; R
4for ethyl.
Wherein in some embodiments, R in described proton type ionic liquid
1, R
2, R
3be selected from C separately
nh
2n+1, C
mh
2m+1oH or C
ph
2p+1cN, wherein, 1≤n≤2,1≤m≤2,1≤p≤2; R
4for ethyl.
Wherein in some embodiments, the mass ratio of described proton type ionic liquid and organic solvent is 1:0-0.7.
Wherein in some embodiments, the addition of described lithium salts is: add 0.6-1mol in every kilogram of proton type ionic liquid.
Wherein in some embodiments, the addition of described lithium salts is: add 0.7-0.8mol in every kilogram of proton type ionic liquid.
Wherein in some embodiments, described lithium salts is one or more the mixture in tetrafluoro boric acid lithium salts, hexafluorophosphoric acid lithium salts, two (trimethyl fluoride sulfonyl) imines lithium salts, two (perfluoroethyl sulfonyl) imines lithium salts, two (perfluoro propyl sulphonyl) imines lithium salts, two (fluorine sulphonyl) imines lithium salts, lithium perchlorate salt, trifluoromethyl sulfonic acid lithium salt, biethyl diacid lithium borate salt, difluorine oxalic acid boracic acid lithium.
Wherein in some embodiments, described organic solvent is propene carbonate.
A kind of lithium secondary battery, comprise housing, positive electrode, negative electrode, electrolyte and barrier film, described electrolyte is the electrolyte described in above-mentioned any one.
Wherein in some embodiments, the material of described positive electrode is cobalt acid lithium, LiFePO 4, lithium nickelate, nickel cobalt lithium aluminate, lithium manganese phosphate, phosphoric acid vanadium lithium or lithium titanate;
Wherein in some embodiments, the material of described negative electrode is Delanium, native graphite, carbonaceous mesophase spherules, mesophase carbon fiber, soft carbon, hard carbon, lithium titanate or lithium sheet.
A kind of lithium secondary battery and electrolyte thereof containing proton type ionic liquid provided by the invention, tool has the following advantages and beneficial effect:
(1) the electrolyte viscosity in lithium secondary battery of the present invention is low, conductivity is high.
(2) the proton type ionic liquid described in lithium secondary battery of the present invention is conducive to promoting the matching between electrolyte and electrode, barrier film.
Embodiment
Because proton type ionic liquid has lower viscosity (in room temperature close to water), based on this, this character is applied in lithium rechargeable battery by the present invention, thus improves ionic liquid has viscosity higher shortcoming as electrolyte, improves the conductivity of electrolyte.
Technical scheme of the present invention is further illustrated below with reference to embodiment.
Embodiment 1
(1) electrolyte for lithium secondary battery, containing lithium salts and proton type ionic liquid in described electrolyte;
Specific as follows:
Under room temperature, in proton type ionic liquid N-ethanol-N, two (trimethyl fluoride sulfonyl) imines lithium salts is added in N-Dimethyl Ammonium propionic acid, wherein, the addition of two (trimethyl fluoride sulfonyl) imines lithium salts is: every kilogram of proton type ionic liquid N-ethanol-N, add 0.75mol in N-Dimethyl Ammonium propionic acid, can electrolyte be obtained;
In described proton type ionic liquid anion and cationic structural as follows:
After testing: in 25 DEG C, the conductivity of this electrolyte is 1.2mS/cm, and viscosity is 15cP.
(2) lithium secondary battery, comprises housing, positive electrode, negative electrode, electrolyte and barrier film, and the electrolyte of described electrolyte obtained by the present embodiment (1), wherein, described positive electrode is lithium titanate, and negative material is lithium sheet.
Embodiment 2
(1) electrolyte for lithium secondary battery, described electrolyte contains lithium salts, proton type ionic liquid and organic solvent;
Specific as follows:
Under room temperature, in proton type ionic liquid N-ethanol-N, N-Dimethyl Ammonium propionic acid with add two (trimethyl fluoride sulfonyl) imines lithium salts in organic solvent propene carbonate mixed liquor (3:2 mixes in mass ratio), wherein, the addition of two (trimethyl fluoride sulfonyl) imines lithium salts is: every kilogram of proton type ionic liquid N-ethanol-N, add 0.75mol in N-Dimethyl Ammonium propionic acid, can electrolyte be obtained.
In described proton type ionic liquid anion and cationic structural as follows:
After testing: in 25 DEG C, the conductivity of this electrolyte is 5.0mS/cm, and viscosity is 15cP.
(2) lithium secondary battery, comprises housing, positive electrode, negative electrode, electrolyte and barrier film, and the electrolyte of described electrolyte obtained by the present embodiment (1), described positive electrode is lithium titanate, and negative material is lithium sheet.
Embodiment 3
(1) electrolyte for lithium secondary battery, described electrolyte contains lithium salts and proton type ionic liquid;
Specific as follows:
At room temperature, in proton type ionic liquid N-propionitrile-N, two (trimethyl fluoride sulfonyl) imines lithium salts is added in N-Dimethyl Ammonium propionic acid, wherein, the addition of two (trimethyl fluoride sulfonyl) imines lithium salts is: every kilogram of proton type ionic liquid N-propionitrile-N, N-Dimethyl Ammonium propionic acid kind adds 0.75mol, can obtain electrolyte;
The structure of described proton type ionic liquid cationic and anion is as follows:
After testing: in 25 DEG C, the conductivity of this electrolyte is 1.0mS/cm, and viscosity is 10cP.
(2) lithium secondary battery, comprises housing, positive electrode, negative electrode, electrolyte and barrier film, and the electrolyte of described electrolyte obtained by the present embodiment (1), described positive electrode is lithium titanate, and negative material is lithium sheet.
Embodiment 4
(1) electrolyte for lithium secondary battery, described electrolyte contains lithium salts, proton type ionic liquid and organic solvent;
Specific as follows:
At room temperature, in proton type ionic liquid N-propionitrile-N, N-Dimethyl Ammonium propionic acid with add two (trimethyl fluoride sulfonyl) imines lithium salts in propene carbonate mixed liquor (3:2 mixes in mass ratio), wherein, the addition of two (trimethyl fluoride sulfonyl) imines lithium salts is: every kilogram of proton type ionic liquid N-propionitrile-N, add 0.75mol in N-Dimethyl Ammonium propionic acid, can electrolyte be obtained;
In described proton type ionic liquid anion and cationic structure as follows:
After testing: in 25 DEG C, the conductivity of this electrolyte is 4.0mS/cm, and viscosity is 10cP.
(2) lithium secondary battery, comprises housing, positive electrode, negative electrode, electrolyte and barrier film, and the electrolyte of described electrolyte obtained by the present embodiment (1), described positive electrode is LiFePO 4, and negative material is lithium sheet.
In above-described embodiment 1-4, the carboxyl of proton type solion anion, cationic itrile group, alcohol radical all can promote the matching between electrolyte and electrode, barrier film.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. an electrolyte for lithium secondary battery, is characterized in that, containing lithium salts and proton type ionic liquid or lithium salts, proton type ionic liquid and organic solvent in described electrolyte; The addition of described lithium salts is: add 0.1-2mol in every kilogram of proton type ionic liquid; The mass ratio of described proton type ionic liquid and organic solvent is 1:0-1;
Described proton type ionic liquid is made up of following cationic structural and anion structure, specific as follows:
Wherein:
R
1, R
2, R
3be selected from C separately
nh
2n+1, C
mh
2m+1oH or C
ph
2p+1cN, wherein, 1≤n≤3,1≤m≤3,1≤p≤3;
R
4for C
qh
2q+1, wherein, q is 2; Described organic solvent is propene carbonate.
2. the electrolyte of lithium secondary battery according to claim 1, is characterized in that, the addition of described lithium salts is: add 0.6-1mol in every kilogram of proton type ionic liquid.
3. the electrolyte of lithium secondary battery according to claim 2, is characterized in that, the addition of described lithium salts is: add 0.7-0.8mol in every kilogram of proton type ionic liquid.
4. the electrolyte of lithium secondary battery according to claim 1, is characterized in that, the mass ratio of described proton type ionic liquid and organic solvent is 1:0-0.7.
5. the electrolyte of lithium secondary battery according to claim 1, it is characterized in that, described lithium salts is one or more the mixture in tetrafluoro boric acid lithium salts, hexafluorophosphoric acid lithium salts, two (trimethyl fluoride sulfonyl) imines lithium salts, two (perfluoroethyl sulfonyl) imines lithium salts, two (perfluoro propyl sulphonyl) imines lithium salts, two (fluorine sulphonyl) imines lithium salts, lithium perchlorate salt, trifluoromethyl sulfonic acid lithium salt, biethyl diacid lithium borate salt, difluorine oxalic acid boracic acid lithium.
6. a lithium secondary battery, comprises housing, positive electrode, negative electrode, electrolyte and barrier film, it is characterized in that, described electrolyte is the electrolyte described in any one of the claims 1-5.
7. lithium secondary battery according to claim 6, is characterized in that, the material of described positive electrode is cobalt acid lithium, LiFePO 4, lithium nickelate, nickel cobalt lithium aluminate, lithium manganese phosphate, phosphoric acid vanadium lithium or lithium titanate.
8. lithium secondary battery according to claim 6, is characterized in that, the material of described negative electrode is Delanium, native graphite, carbonaceous mesophase spherules, mesophase carbon fiber, soft carbon, hard carbon, lithium titanate or lithium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310066997.6A CN103178297B (en) | 2013-03-01 | 2013-03-01 | Lithium secondary battery and electrolyte thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310066997.6A CN103178297B (en) | 2013-03-01 | 2013-03-01 | Lithium secondary battery and electrolyte thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103178297A CN103178297A (en) | 2013-06-26 |
| CN103178297B true CN103178297B (en) | 2015-12-09 |
Family
ID=48638010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310066997.6A Active CN103178297B (en) | 2013-03-01 | 2013-03-01 | Lithium secondary battery and electrolyte thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103178297B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103972589B (en) * | 2014-05-19 | 2016-07-13 | 陕西科技大学 | A kind of preparation method of electrolyte solution that improves the safety of lithium-ion battery |
| CN107565165A (en) * | 2017-09-29 | 2018-01-09 | 合肥工业大学 | A kind of method that electrolyte improves lithium battery performance |
| CN113540563B (en) * | 2020-04-17 | 2023-04-07 | 中国石油化工股份有限公司 | Additive and modification method of lithium battery electrolyte |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997620A (en) * | 2004-04-07 | 2007-07-11 | 约克大学 | Ionic liquids containing nitrogen-containing cations |
| CN102124599A (en) * | 2008-05-29 | 2011-07-13 | 莱登能源公司 | Electrochemical cells with ionic liquid electrolyte |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406431C (en) * | 2001-03-26 | 2008-07-30 | 日清纺织株式会社 | Ionic liquid, electrolyte salt for electric storage device, liquid electrolyte for electric storage device, electric double layer capacitor, and secondary battery |
-
2013
- 2013-03-01 CN CN201310066997.6A patent/CN103178297B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997620A (en) * | 2004-04-07 | 2007-07-11 | 约克大学 | Ionic liquids containing nitrogen-containing cations |
| CN102124599A (en) * | 2008-05-29 | 2011-07-13 | 莱登能源公司 | Electrochemical cells with ionic liquid electrolyte |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103178297A (en) | 2013-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103094610B (en) | A kind of lithium ion battery ionic liquid mixed electrolyte | |
| CN103618111B (en) | A kind of il electrolyte and the serondary lithium battery containing this electrolyte | |
| CN103840198A (en) | Lithium ion battery gel polymer electrolyte and preparation method thereof | |
| CN103035945B (en) | Functionalized ionic liquid electrolyte for lithium secondary battery | |
| CN113921900A (en) | A zinc-based electrochemical energy storage device | |
| KR102172038B1 (en) | Solid electrolytes for rechargeable power sources that include single-ion conducting covalent organic frameworks with immobilized anion groups | |
| CN104282939B (en) | A kind of high voltage electrolyte of lithium ion battery | |
| CN107565158A (en) | Sodium-ion battery electrolyte, preparation method and the sodium-ion battery for including the sodium-ion battery electrolyte | |
| CN107417569A (en) | A kind of nonaqueous electrolytic solution three-level nitrile compound, the nonaqueous electrolytic solution and secondary cell for including it | |
| CN103579677A (en) | Electrolyte and secondary lithium battery and capacitor containing electrolyte | |
| CN103178297B (en) | Lithium secondary battery and electrolyte thereof | |
| CN105355889A (en) | High-voltage high-magnification lithium ion battery | |
| CN108899212A (en) | A kind of preparation method and application of ternary poly ion liquid base solid electrolyte | |
| CN105428086A (en) | Lithium-ion super capacitor electrolyte | |
| CN103840191A (en) | Lithium titanate battery electrolyte film-forming additive doped with zirconium by gradients | |
| CN105514492A (en) | Electrolyte for lithium ion battery | |
| CN103066322A (en) | Lithium ion battery composite electrolyte and lithium ion battery | |
| CN103456962B (en) | A kind of Li2c6o6composite and preparation method thereof | |
| CN105161759A (en) | Composite electrolyte of lithium-air battery and preparation method of composite electrolyte | |
| CN105449283B (en) | A kind of high-voltage lithium ion batteries electrolyte | |
| CN118412537A (en) | A new low-temperature high-voltage electrolyte for lithium-ion batteries and lithium-ion batteries | |
| CN103858268A (en) | Lithium battery electrolyte and lithium battery using electrolyte | |
| CN103943376A (en) | Electrolyte of mixed type super capacitor | |
| CN112490500A (en) | Electrolyte for electricity storage device, and method for manufacturing electricity storage device | |
| CN103972589B (en) | A kind of preparation method of electrolyte solution that improves the safety of lithium-ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD. Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Patentee before: Electrical Power Research Institute of Guangdong Power Grid Corporation |