KR100773247B1 - 향상된 과충전 안전성의 리튬 이차전지 - Google Patents
향상된 과충전 안전성의 리튬 이차전지 Download PDFInfo
- Publication number
- KR100773247B1 KR100773247B1 KR1020060034358A KR20060034358A KR100773247B1 KR 100773247 B1 KR100773247 B1 KR 100773247B1 KR 1020060034358 A KR1020060034358 A KR 1020060034358A KR 20060034358 A KR20060034358 A KR 20060034358A KR 100773247 B1 KR100773247 B1 KR 100773247B1
- Authority
- KR
- South Korea
- Prior art keywords
- battery
- lithium secondary
- secondary battery
- polyurethane
- urethane
- 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
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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
-
- 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
- H01M10/0567—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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (8)
- 양극 활물질과 결착제(바인더)를 포함하고 있는 양극, 음극 활물질과 결착제(바인더)를 포함하고 있는 음극, 및 분리막으로 이루어진 전극조립체와, 리튬 전해액을 포함하고 있는 리튬 이차전지에 있어서, 과충전 안전성의 향상을 위한 첨가제로서, 리튬 산화 환원 전위 대비 4.5 V 이상의 과충전 조건에서 분해되며 분자 구조 중에 우레탄기를 포함하고 있는 화합물("우레탄 화합물") 및/또는 우레탄기를 포함하고 있는 고분자("폴리우레탄")를 전극 및/또는 전해액에 포함하는 것으로 구성되어 있는 리튬 이차전지.
- 삭제
- 제 1 항에 있어서, 상기 우레탄 화합물 또는 폴리우레탄의 첨가량은 전극 또는 전해액을 기준으로 0.1 ~ 20 중량%인 것을 특징으로 하는 리튬 이차전지.
- 제 1 항에 있어서, 상기 우레탄 화합물을 양극 및/또는 전해액에 첨가하는 것을 특징으로 하는 리튬 이차전지.
- 제 1 항에 있어서, 상기 첨가제는 폴리우레탄인 것을 특징으로 하는 리튬 이차전지.
- 제 5 항에 있어서, 상기 폴리우레탄을 양극에 첨가하는 것을 특징으로 하는 리튬 이차전지.
- 제 5 항에 있어서, 상기 폴리우레탄은 폴리에테르계 우레탄인 것을 특징으로 하는 리튬 이차전지.
- 제 7 항에 있어서, 상기 폴리에테르계 우레탄을 양극에 첨가하여 과충전 안전성 및 고온 안전성을 향상시키는 것을 특징으로 하는 리튬 이차전지.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20050032927 | 2005-04-20 | ||
| KR1020050032927 | 2005-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20060110782A KR20060110782A (ko) | 2006-10-25 |
| KR100773247B1 true KR100773247B1 (ko) | 2007-11-05 |
Family
ID=37115327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020060034358A Expired - Lifetime KR100773247B1 (ko) | 2005-04-20 | 2006-04-17 | 향상된 과충전 안전성의 리튬 이차전지 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7625669B2 (ko) |
| EP (1) | EP1872424B1 (ko) |
| JP (1) | JP5384099B2 (ko) |
| KR (1) | KR100773247B1 (ko) |
| CN (1) | CN101156263B (ko) |
| TW (1) | TWI324409B (ko) |
| WO (1) | WO2006112640A1 (ko) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100773247B1 (ko) | 2005-04-20 | 2007-11-05 | 주식회사 엘지화학 | 향상된 과충전 안전성의 리튬 이차전지 |
| KR100879892B1 (ko) * | 2006-05-22 | 2009-01-21 | 주식회사 엘지화학 | 과충전시의 안전성 향상을 위한 전극을 포함하고 있는이차전지 |
| KR100773533B1 (ko) * | 2006-12-18 | 2007-11-07 | 삼성에스디아이 주식회사 | 고분자 전해질, 그 제조방법 및 이를 이용한 연료 전지 |
| KR101048226B1 (ko) * | 2007-01-25 | 2011-07-08 | 에스케이이노베이션 주식회사 | 리튬 이차 전지 |
| KR101366806B1 (ko) * | 2007-07-18 | 2014-02-24 | 전북대학교산학협력단 | 전기 흡착 탈이온 장치용 전극, 그 제조방법 및 이를구비한 전기 흡착 탈이온 장치 |
| KR101514393B1 (ko) * | 2009-01-06 | 2015-04-23 | 삼성전자주식회사 | 일체화된 전기 흡착 탈이온화용 전극-집전체 시트, 및 이를구비하는 전기 흡착 탈이온 장치와 전기이중층 커패시터 |
| JP5381330B2 (ja) * | 2009-05-27 | 2014-01-08 | 住友化学株式会社 | 電極合剤、電極および非水電解質二次電池 |
| US9287563B2 (en) * | 2011-01-20 | 2016-03-15 | Samsung Sdi Co., Ltd. | Electrode for lithium secondary battery and lithium secondary battery including the same |
| US20130316227A1 (en) * | 2011-02-25 | 2013-11-28 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte secondary battery |
| CN102723458B (zh) * | 2011-03-29 | 2016-05-18 | 东莞新能源科技有限公司 | 锂离子电池及其阴极极片 |
| TWI453972B (zh) | 2011-12-15 | 2014-09-21 | Ind Tech Res Inst | 固態高分子電解質組成物 |
| KR101684451B1 (ko) * | 2013-07-10 | 2016-12-08 | 주식회사 엘지화학 | 전지 수명을 향상시키는 전극 및 이를 포함하는 리튬 이차전지 |
| JP6110823B2 (ja) | 2013-09-25 | 2017-04-05 | 富士フイルム株式会社 | 固体電解質組成物および全固体二次電池用のバインダー、ならびにこれらを用いた電池用電極シートおよび全固体二次電池 |
| CN105637685B (zh) | 2013-10-07 | 2017-12-12 | 日产自动车株式会社 | 非水电解质二次电池用电极材料、以及使用了其的非水电解质二次电池用电极和非水电解质二次电池 |
| JP6059743B2 (ja) * | 2014-02-17 | 2017-01-11 | 富士フイルム株式会社 | 固体電解質組成物、これを用いた電池用電極シートおよび全固体二次電池、ならびにそれらの製造方法 |
| EP3692086B1 (en) * | 2017-10-04 | 2025-01-22 | Hercules LLC | Elastic and stretchable gel polymer electrolyte |
| CN108878967A (zh) * | 2018-06-14 | 2018-11-23 | 北京工业大学 | 一种嵌段聚合物电解质制备及应用 |
| CN109244543B (zh) * | 2018-11-06 | 2021-08-13 | 南通新宙邦电子材料有限公司 | 一种锂离子电池电解液及锂离子电池 |
| JP7554735B2 (ja) * | 2019-03-22 | 2024-09-20 | 株式会社クレハ | 電極合剤用組成物、電極合剤、電極、非水電解質二次電池、および電極の製造方法 |
| CN111653824A (zh) * | 2020-06-22 | 2020-09-11 | 武汉瑞科美新能源有限责任公司 | 一种凝胶聚合物电解质及其快速制备方法和电池 |
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| JP2000173620A (ja) | 1998-12-01 | 2000-06-23 | Hitachi Ltd | 非水電解液二次電池 |
| JP2001015161A (ja) | 1999-06-29 | 2001-01-19 | Toyo Tire & Rubber Co Ltd | ゲル状電解質及びその製造方法 |
| KR20020025484A (ko) * | 2000-09-29 | 2002-04-04 | 김순택 | 리튬 2차 전지 |
| JP2005259641A (ja) | 2004-03-15 | 2005-09-22 | Mitsubishi Heavy Ind Ltd | リチウム二次電池用の電解液、電極、リチウム二次電池およびそれらの製造方法 |
| WO2006112640A1 (en) | 2005-04-20 | 2006-10-26 | Lg Chem, Ltd. | Lithium secondary battery having improved stability to overcharge |
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-
2006
- 2006-04-17 KR KR1020060034358A patent/KR100773247B1/ko not_active Expired - Lifetime
- 2006-04-18 EP EP06757474A patent/EP1872424B1/en not_active Expired - Lifetime
- 2006-04-18 CN CN2006800119086A patent/CN101156263B/zh not_active Expired - Lifetime
- 2006-04-18 JP JP2008506384A patent/JP5384099B2/ja not_active Expired - Lifetime
- 2006-04-18 WO PCT/KR2006/001417 patent/WO2006112640A1/en not_active Ceased
- 2006-04-19 US US11/406,656 patent/US7625669B2/en active Active
- 2006-04-20 TW TW095114081A patent/TWI324409B/zh active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000173620A (ja) | 1998-12-01 | 2000-06-23 | Hitachi Ltd | 非水電解液二次電池 |
| JP2001015161A (ja) | 1999-06-29 | 2001-01-19 | Toyo Tire & Rubber Co Ltd | ゲル状電解質及びその製造方法 |
| KR20020025484A (ko) * | 2000-09-29 | 2002-04-04 | 김순택 | 리튬 2차 전지 |
| JP2005259641A (ja) | 2004-03-15 | 2005-09-22 | Mitsubishi Heavy Ind Ltd | リチウム二次電池用の電解液、電極、リチウム二次電池およびそれらの製造方法 |
| WO2006112640A1 (en) | 2005-04-20 | 2006-10-26 | Lg Chem, Ltd. | Lithium secondary battery having improved stability to overcharge |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1872424A4 (en) | 2010-12-29 |
| CN101156263B (zh) | 2012-03-21 |
| KR20060110782A (ko) | 2006-10-25 |
| WO2006112640A1 (en) | 2006-10-26 |
| TWI324409B (en) | 2010-05-01 |
| US20060251956A1 (en) | 2006-11-09 |
| JP2008536286A (ja) | 2008-09-04 |
| US7625669B2 (en) | 2009-12-01 |
| JP5384099B2 (ja) | 2014-01-08 |
| TW200701536A (en) | 2007-01-01 |
| EP1872424A1 (en) | 2008-01-02 |
| EP1872424B1 (en) | 2012-12-05 |
| CN101156263A (zh) | 2008-04-02 |
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