KR100370388B1 - 리튬 전지용 비수전해액 - Google Patents
리튬 전지용 비수전해액 Download PDFInfo
- Publication number
- KR100370388B1 KR100370388B1 KR10-2000-0072032A KR20000072032A KR100370388B1 KR 100370388 B1 KR100370388 B1 KR 100370388B1 KR 20000072032 A KR20000072032 A KR 20000072032A KR 100370388 B1 KR100370388 B1 KR 100370388B1
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- KR
- South Korea
- Prior art keywords
- carbonate
- organic solvent
- electrolyte solution
- lithium
- aqueous electrolyte
- Prior art date
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Classifications
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- 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
-
- 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
- H01M10/0569—Liquid materials characterised by the solvents
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- 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
- 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
- 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
-
- 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
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- 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
기체 발생량(25℃, 1회 충방전 후) | 고온 성능(85℃, 4시간 방치 후) | |
실시예 1 | 0.51 | 0.51 |
실시예 2 | 0.43 | 0.55 |
실시예 3 | 0.51 | 0.67 |
비교예 1 | 1 | 1 |
만충전 후 두께 증가율(25℃, 1회 충방전 후) | 만충전 후 두께 증가율(85℃, 4시간 방치 후) | |
실시예 1 | 1.9% | 3.8% |
실시예 2 | 1.6% | 4.1% |
실시예 3 | 1.9% | 5.4% |
비교예 1 | 3.7% | 7.5% |
Claims (5)
- 리튬염이 0.8 내지 2.0M로 용해된 환형 탄산염계 유기용매와 선형 탄산염계 유기용매의 혼합 유기용매 100 중량부에 하기 화학식(1)로 나타내어지는 에스테르 화합물을 0.1 내지 10.0 중량부 첨가하여 제조된 리튬 전지용 비수 전해액.[화학식 1]상기에서, R은 탄소수가 1 내지 5인 과플루오로알킬기이고, R'는 탄소수가 1 내지 5인 플루오로알킬기 또는 알킬기이다.
- 제 1항에 있어서,상기 환형 탄산염계 유기용매는 탄산에틸렌, 탄산프로필렌, 또는 그들의 혼합물이고, 상기 선형 탄산염계 유기용매는 탄산디메틸, 탄산디에틸, 탄산에틸메틸, 탄산메틸프로필, 탄산에틸프로필, 또는 그들의 혼합물인 것을 특징으로 하는 리튬 전지용 비수 전해액.
- 제 1항에 있어서,상기 혼합 유기용매가 아세트산프로필, 아세트산메틸, 아세트산에틸, 아세트산부틸, 프로피온산메틸 및 프로피온산에틸로 구성되는 군으로부터 선택되는 하나또는 그 이상을 추가로 포함하는 것을 특징으로 하는 리튬 전지용 비수 전해액.
- 제 1항에 있어서,상기 리튬염이 LiPF6, LiClO4, LiAsF6및 LiBF4로 구성되는 군으로부터 선택되는 하나 또는 그 이상인 것을 특징으로 하는 리튬 전지용 비수 전해액.
- 제 1항에 있어서,상기 에스테르 화합물은 메틸과플루오로부티레이트인 것을 특징으로 하는 리튬 전지용 비수 전해액.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0072032A KR100370388B1 (ko) | 2000-11-30 | 2000-11-30 | 리튬 전지용 비수전해액 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0072032A KR100370388B1 (ko) | 2000-11-30 | 2000-11-30 | 리튬 전지용 비수전해액 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020042227A KR20020042227A (ko) | 2002-06-05 |
KR100370388B1 true KR100370388B1 (ko) | 2003-01-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2000-0072032A KR100370388B1 (ko) | 2000-11-30 | 2000-11-30 | 리튬 전지용 비수전해액 |
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KR (1) | KR100370388B1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07272756A (ja) * | 1994-02-08 | 1995-10-20 | Sony Corp | 非水電解液二次電池 |
JPH0896848A (ja) * | 1994-09-22 | 1996-04-12 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池 |
JPH10189040A (ja) * | 1996-12-25 | 1998-07-21 | Mitsui Chem Inc | 非水電解液及び非水電解液二次電池 |
JP2000243446A (ja) * | 1998-12-25 | 2000-09-08 | Matsushita Electric Ind Co Ltd | リチウム二次電池 |
KR20010057562A (ko) * | 1999-12-13 | 2001-07-04 | 추후제출 | 재충전 전지의 비수성 전해질용 설페이트 첨가제 |
KR20020006800A (ko) * | 2000-07-13 | 2002-01-26 | 한승우 | 리튬 이차전지용 전해액 |
-
2000
- 2000-11-30 KR KR10-2000-0072032A patent/KR100370388B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07272756A (ja) * | 1994-02-08 | 1995-10-20 | Sony Corp | 非水電解液二次電池 |
JPH0896848A (ja) * | 1994-09-22 | 1996-04-12 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池 |
JPH10189040A (ja) * | 1996-12-25 | 1998-07-21 | Mitsui Chem Inc | 非水電解液及び非水電解液二次電池 |
JP2000243446A (ja) * | 1998-12-25 | 2000-09-08 | Matsushita Electric Ind Co Ltd | リチウム二次電池 |
KR20010057562A (ko) * | 1999-12-13 | 2001-07-04 | 추후제출 | 재충전 전지의 비수성 전해질용 설페이트 첨가제 |
KR20020006800A (ko) * | 2000-07-13 | 2002-01-26 | 한승우 | 리튬 이차전지용 전해액 |
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KR20020042227A (ko) | 2002-06-05 |
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