WO2010101395A3 - 고에너지 밀도의 양극 재료와 유/무기 복합 다공성 분리막을 포함하는 리튬 이차전지 - Google Patents
고에너지 밀도의 양극 재료와 유/무기 복합 다공성 분리막을 포함하는 리튬 이차전지 Download PDFInfo
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- WO2010101395A3 WO2010101395A3 PCT/KR2010/001304 KR2010001304W WO2010101395A3 WO 2010101395 A3 WO2010101395 A3 WO 2010101395A3 KR 2010001304 W KR2010001304 W KR 2010001304W WO 2010101395 A3 WO2010101395 A3 WO 2010101395A3
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- Prior art keywords
- positive electrode
- separator membrane
- organic
- inorganic composite
- secondary battery
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- 239000007774 positive electrode material Substances 0.000 title abstract 8
- 239000012528 membrane Substances 0.000 title abstract 6
- 239000002131 composite material Substances 0.000 title abstract 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title 1
- 229910052744 lithium Inorganic materials 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 3
- 239000002245 particle Substances 0.000 abstract 3
- 239000000126 substance Substances 0.000 abstract 3
- 239000011230 binding agent Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 239000003792 electrolyte Substances 0.000 abstract 1
- 229920000098 polyolefin Polymers 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
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Abstract
본 발명은 양극, 음극, 분리막, 및 전해질을 포함하는 이차전지에 있어서, 상기 양극은 본 명세서에서 정의하는 제 1 양극재와, 본 명세서에서 정의하는 제 2-1 양극재 및 제 2-2 양극재로 이루어진 군에서 선택되는 1종 이상의 제 2 양극재의 혼합물을 포함하고, 두 양극재들의 혼합비(제 1 양극재: 제 2 양극재)는 50: 50 내지 90: 10이며, 상기 분리막은 (a) 폴리올레핀 계열 분리막 기재 및 (b) 상기 기재의 표면 및 상기 기재에 존재하는 기공부 일부로 구성된 군으로부터 선택된 1종 이상의 영역이 무기물 입자 및 바인더 고분자의 혼합물로 코팅된 활성층을 포함하는 유/무기 복합 다공성 분리막으로서, 상기 활성층은 바인더 고분자에 의해 무기물 입자 사이가 연결 및 고정되고, 무기물 입자들간의 빈 공간(interstitial volume)으로 인해 기공 구조가 형성된 유/무기 복합 다공성 분리막인 것을 특징으로 하는 이차전지를 제공한다.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10748937.9A EP2405510B1 (en) | 2009-03-03 | 2010-03-03 | Lithium secondary battery containing high energy density positive electrode materials and an organic/inorganic composite microporous separator membrane |
CN201080010708.5A CN102341939B (zh) | 2009-03-03 | 2010-03-03 | 含有具有高能量密度的正极材料和有机/无机复合多孔隔膜的锂二次电池 |
US13/223,731 US8715856B2 (en) | 2009-03-03 | 2011-09-01 | Lithium secondary battery containing cathode materials having high energy density and organic/inorganic composite porous membrane |
US13/789,810 US8753777B2 (en) | 2009-03-03 | 2013-03-08 | Lithium secondary battery containing cathode materials having high energy density and organic/inorganic composite porous membrane |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20090018108 | 2009-03-03 | ||
KR10-2009-0018108 | 2009-03-03 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/223,731 Continuation US8715856B2 (en) | 2009-03-03 | 2011-09-01 | Lithium secondary battery containing cathode materials having high energy density and organic/inorganic composite porous membrane |
Publications (2)
Publication Number | Publication Date |
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WO2010101395A2 WO2010101395A2 (ko) | 2010-09-10 |
WO2010101395A3 true WO2010101395A3 (ko) | 2010-11-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2010/001304 WO2010101395A2 (ko) | 2009-03-03 | 2010-03-03 | 고에너지 밀도의 양극 재료와 유/무기 복합 다공성 분리막을 포함하는 리튬 이차전지 |
Country Status (5)
Country | Link |
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US (2) | US8715856B2 (ko) |
EP (1) | EP2405510B1 (ko) |
KR (1) | KR101147602B1 (ko) |
CN (1) | CN102341939B (ko) |
WO (1) | WO2010101395A2 (ko) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2006025662A1 (en) * | 2004-09-02 | 2006-03-09 | Lg Chem, Ltd. | Organic/inorganic composite porous film and electrochemical device prepared thereby |
US8497039B2 (en) * | 2008-09-10 | 2013-07-30 | Lg Chem, Ltd. | Cathode active material for lithium secondary battery |
JP5988134B2 (ja) * | 2011-05-11 | 2016-09-07 | 株式会社Gsユアサ | 蓄電素子 |
KR101649130B1 (ko) * | 2011-10-20 | 2016-08-19 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
EP2840628B1 (en) | 2012-04-20 | 2017-11-29 | LG Chem, Ltd. | Method for manufacturing separator, separator formed thereby, and electrochemical device comprising said separator |
EP2750235B1 (en) * | 2012-05-31 | 2016-07-27 | LG Chem, Ltd. | Lithium secondary battery |
WO2013187582A1 (ko) * | 2012-06-13 | 2013-12-19 | 주식회사 엘지화학 | 혼합 양극재를 포함하는 이차 전지의 충전 상태 추정 장치 및 방법 |
US9046583B2 (en) | 2012-06-13 | 2015-06-02 | Lg Chem, Ltd. | Apparatus and method for estimating voltage of secondary battery including blended material in electrode |
JP6081584B2 (ja) | 2012-06-13 | 2017-02-15 | エルジー・ケム・リミテッド | 混合正極材を含む二次電池の電圧推定装置及び方法 |
KR101627736B1 (ko) * | 2012-08-01 | 2016-06-07 | 제일모직주식회사 | 코팅층을 포함하는 분리막 및 이를 이용한 전지 |
KR101627734B1 (ko) * | 2012-08-01 | 2016-06-07 | 제일모직주식회사 | 분리막 코팅제 조성물, 상기 코팅제 조성물로 형성된 분리막 및 이를 이용한 전지 |
US20160351909A1 (en) * | 2012-11-19 | 2016-12-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Particulate electrode material having a coating made of a crystalline inorganic material and/or an inorganic-organic hybrid polymer and method for the production thereof |
KR101706364B1 (ko) * | 2012-11-30 | 2017-02-13 | 주식회사 엘지화학 | 이차전지용 세퍼레이터 |
WO2014088299A1 (ko) * | 2012-12-03 | 2014-06-12 | 주식회사 엘지화학 | 이차 전지의 파라미터 추정 장치 및 방법 |
EP2952919B1 (en) * | 2012-12-04 | 2021-03-24 | LG Chem, Ltd. | Method and system with an apparatus for estimating a parameter of a secondary battery |
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EP2405510A2 (en) | 2012-01-11 |
US20120219840A1 (en) | 2012-08-30 |
EP2405510A4 (en) | 2014-06-11 |
US8715856B2 (en) | 2014-05-06 |
KR20100099667A (ko) | 2010-09-13 |
US8753777B2 (en) | 2014-06-17 |
CN102341939B (zh) | 2014-05-14 |
EP2405510B1 (en) | 2015-11-25 |
US20130187082A1 (en) | 2013-07-25 |
WO2010101395A2 (ko) | 2010-09-10 |
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