KR100440485B1 - 새로운 비수전해액 및 이를 이용한 리튬 이차 전지 - Google Patents
새로운 비수전해액 및 이를 이용한 리튬 이차 전지 Download PDFInfo
- Publication number
- KR100440485B1 KR100440485B1 KR10-2002-0000473A KR20020000473A KR100440485B1 KR 100440485 B1 KR100440485 B1 KR 100440485B1 KR 20020000473 A KR20020000473 A KR 20020000473A KR 100440485 B1 KR100440485 B1 KR 100440485B1
- Authority
- KR
- South Korea
- Prior art keywords
- secondary battery
- lithium secondary
- lithium
- carbonate
- electrolyte
- 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.)
- Expired - Lifetime
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 36
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 19
- BITPLIXHRASDQB-UHFFFAOYSA-N ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane Chemical compound C=C[Si](C)(C)O[Si](C)(C)C=C BITPLIXHRASDQB-UHFFFAOYSA-N 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 239000003792 electrolyte Substances 0.000 claims abstract description 8
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 7
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 9
- 229910001416 lithium ion Inorganic materials 0.000 claims description 9
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 6
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 6
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 5
- 150000005676 cyclic carbonates Chemical class 0.000 claims description 5
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 5
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 4
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 4
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 claims description 4
- -1 LiCF 3 SO 3 Inorganic materials 0.000 claims description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 claims description 3
- 239000011149 active material Substances 0.000 claims description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910015015 LiAsF 6 Inorganic materials 0.000 claims description 2
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 2
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 claims description 2
- 229910014689 LiMnO Inorganic materials 0.000 claims description 2
- 229910013131 LiN Inorganic materials 0.000 claims description 2
- 229910013716 LiNi Inorganic materials 0.000 claims description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 2
- 229910000733 Li alloy Inorganic materials 0.000 claims 1
- 239000000654 additive Substances 0.000 abstract description 15
- 230000000996 additive effect Effects 0.000 abstract description 11
- 238000002161 passivation Methods 0.000 abstract description 5
- 238000004132 cross linking Methods 0.000 abstract description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 5
- 239000008151 electrolyte solution Substances 0.000 description 4
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 2
- BJWMSGRKJIOCNR-UHFFFAOYSA-N 4-ethenyl-1,3-dioxolan-2-one Chemical compound C=CC1COC(=O)O1 BJWMSGRKJIOCNR-UHFFFAOYSA-N 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- HLKKLAZSKNTEIH-UHFFFAOYSA-N 1,3,2-dioxasilolane Chemical compound C1CO[SiH2]O1 HLKKLAZSKNTEIH-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000243 solution 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
-
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (8)
- 리튬염 및 전해핵 화합물을 포함하는 리튬 이차 전지용 비수전해액에 있어서,1,3-디비닐테트라메틸디실록산 0.5 내지 5 중량%를 포함하는 비수전해액.
- 리튬 이차 전지에 있어서,a) 리튬이온을 흡장 및 방출할 수 있는 양극;b) 리튬이온을 흡장 및 방출할 수 있는 음극;c) 다공성 분리막; 및d)ⅰ) 리튬 염;ⅱ) 전해액 화합물; 및ⅲ) 1,3-디비닐테트라메틸디실록산을 포함하는 비수전해액을 포함하는 리튬 이차 전지.
- 제 2 항에 있어서,상기 d)ⅲ)의 1,3-디비닐테트라메틸디실록산의 함량이 전해액에 대하여 0.5 내지 5 중량%인 리튬 이차 전지.
- 제 2 항에 있어서,상기 a)의 양극의 활물질이 LiCoO2, LiNiO2, LiMn2O4, LiMnO2및 LiNi1-XCoXO2(여기에서, 0<X<1)로 이루어진 군으로부터 1종 이상 선택되는 리튬 전이금속 산화물인 리튬 이차 전지.
- 제 2 항에 있어서,상기 b)의 음극의 활물질이 탄소, 리튬 금속 또는 합금인 리튬 이차 전지.
- 제 2 항에 있어서,상기 d)ⅰ)의 리튬염이 LiClO4, LiCF3SO3, LiPF6, LiBF4, LiAsF6, 및 LiN(CF3SO2)2로 이루어진 군으로부터 1종 이상 선택되는 리튬 이차 전지.
- 제 2 항에 있어서,상기 d)ⅱ)의 전해액 화합물이 에틸렌 카보네이트(EC), 프로필렌 카보네이트(PC), 및 감마부티로락톤(GBL)로 이루어진 군으로부터 1 종 이상 선택되는 환형 카보네이트; 및 디에틸 카보네이트(DEC), 디메틸 카보네이트(DMC), 에틸메틸카보네이트 (EMC), 및 메틸 프로필 카보네이트(MPC)로 이루어진 군으로부터 1 종 이상 선택되는 선형 카보네이트를 포함하는 리튬 이차 전지.
- 제 2 항에 있어서,상기 리튬 이차 전지는 캔으로 된 원통형 또는 각형, 또는 파우치형인 리튬 이차 전지.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2002-0000473A KR100440485B1 (ko) | 2002-01-04 | 2002-01-04 | 새로운 비수전해액 및 이를 이용한 리튬 이차 전지 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2002-0000473A KR100440485B1 (ko) | 2002-01-04 | 2002-01-04 | 새로운 비수전해액 및 이를 이용한 리튬 이차 전지 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20030059729A KR20030059729A (ko) | 2003-07-10 |
| KR100440485B1 true KR100440485B1 (ko) | 2004-07-14 |
Family
ID=32216980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2002-0000473A Expired - Lifetime KR100440485B1 (ko) | 2002-01-04 | 2002-01-04 | 새로운 비수전해액 및 이를 이용한 리튬 이차 전지 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100440485B1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010058993A3 (ko) * | 2008-11-20 | 2010-08-12 | 주식회사 엘지화학 | 전지특성이 향상된 리튬 이차전지 |
| KR101459402B1 (ko) * | 2009-06-17 | 2014-11-10 | 주식회사 엘지화학 | 안전성이 향상된 이차전지용 전해액 및 이를 포함하는 리튬 이차전지 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2358361C1 (ru) | 2005-04-19 | 2009-06-10 | Эл Джи Кем, Лтд. | Функциональные добавки к электролиту и электрохимическое устройство, содержащее такой электролит |
| JP5356405B2 (ja) * | 2007-12-17 | 2013-12-04 | エルジー・ケム・リミテッド | リチウム二次電池用非水電解液及びそれを備えたリチウム二次電池 |
| KR20090076677A (ko) * | 2008-01-09 | 2009-07-13 | 주식회사 엘지화학 | 리튬 이차전지용 비수 전해액 및 이를 구비한 리튬이차전지 |
| KR101141056B1 (ko) * | 2008-11-20 | 2012-05-03 | 주식회사 엘지화학 | 전지특성이 향상된 리튬 이차전지 |
| KR101020465B1 (ko) | 2008-11-20 | 2011-03-08 | 주식회사 엘지화학 | 리튬 이차전지용 비수 전해액 및 이를 구비한 리튬 이차전지 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60216462A (ja) * | 1984-04-11 | 1985-10-29 | Nec Corp | 非水電解質溶液 |
| JPS60216461A (ja) * | 1984-04-09 | 1985-10-29 | Nec Corp | 電池 |
| US5426005A (en) * | 1994-02-18 | 1995-06-20 | Motorola, Inc. | Interpenetrating polymer network electrolytes and electrochemical cells using same |
| JPH11214032A (ja) * | 1998-01-26 | 1999-08-06 | Sony Corp | 非水電解液及びこれを用いた非水電解液電池 |
-
2002
- 2002-01-04 KR KR10-2002-0000473A patent/KR100440485B1/ko not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60216461A (ja) * | 1984-04-09 | 1985-10-29 | Nec Corp | 電池 |
| JPS60216462A (ja) * | 1984-04-11 | 1985-10-29 | Nec Corp | 非水電解質溶液 |
| US5426005A (en) * | 1994-02-18 | 1995-06-20 | Motorola, Inc. | Interpenetrating polymer network electrolytes and electrochemical cells using same |
| JPH11214032A (ja) * | 1998-01-26 | 1999-08-06 | Sony Corp | 非水電解液及びこれを用いた非水電解液電池 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010058993A3 (ko) * | 2008-11-20 | 2010-08-12 | 주식회사 엘지화학 | 전지특성이 향상된 리튬 이차전지 |
| KR101459402B1 (ko) * | 2009-06-17 | 2014-11-10 | 주식회사 엘지화학 | 안전성이 향상된 이차전지용 전해액 및 이를 포함하는 리튬 이차전지 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030059729A (ko) | 2003-07-10 |
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