KR100735486B1 - 2종 분리막을 사용한 전기화학소자 - Google Patents
2종 분리막을 사용한 전기화학소자 Download PDFInfo
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- KR100735486B1 KR100735486B1 KR1020040021176A KR20040021176A KR100735486B1 KR 100735486 B1 KR100735486 B1 KR 100735486B1 KR 1020040021176 A KR1020040021176 A KR 1020040021176A KR 20040021176 A KR20040021176 A KR 20040021176A KR 100735486 B1 KR100735486 B1 KR 100735486B1
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- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
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- H01M50/409—Separators, membranes or diaphragms characterised by the material
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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Abstract
Description
Claims (7)
- 양극, 음극 및 양극과 음극의 사이에 배치되는 고분자계 분리막을 포함하는 전극조립체에 있어서,활물질이 코팅되지 않은 양극, 활물질이 코팅되지 않은 음극 및 상기 양극과 음극의 사이에 배치되는 세라믹계 분리막으로 구성된 최외각 전극층을 상기 전극조립체의 최외각 상단과 최외각 하단에 각각 포함하는 전기화학소자.
- 제 1 항에 있어서, 상기 고분자계 분리막은 미세 다공 구조를 가지는 고분자 필름으로서, 폴리에틸렌(polyethylene), 폴리프로필렌(polypropylene) 또는 이들의 조합, 폴리비닐리덴 플루오라이드(polyvinylidene fluoride), 폴리에틸렌옥사이드(polyethylene oxide), 폴리아크릴로나이트릴(polyacrylonitrile) 및 폴리비닐리덴 플루오라이드 헥사플루오로프로필렌(polyvinylidene fluoride hexafluoropropylene) 공중합체로 이루어진 군에서 선택되는 하나 또는 둘 이상의 소재로 이루어진 것을 특징으로 하는 전기화학소자.
- 제 1 항에 있어서, 상기 세라믹계 분리막이 세라믹만으로 구성된 형태. 세라믹에 일부의 고분자가 첨가된 형태 또는 고분자층 위에 세라믹층이 코팅된 형태에서 선택된 것을 특징으로 하는 전기화학소자.
- 제 3 항에 있어서, 상기 세라믹이 Pb(Zr,Ti)O3, Pb1-xLaxZr1-y TiyO3(x 및 y는 각각 0~1), PB(Mg3Nb2/3)O3-PbTiO3, BaTiO3, HfO 2, SrTiO3, TiO2, SiO2, Al2O3, ZrO 2, SnO2, CeO2, MgO, CaO, Y2O3 및 이들의 혼합체에서 선택된 것을 특징으로 하는 전기화학소자.
- 제 3 항에 있어서, 상기 고분자가 폴리비닐리덴 플루오라이드-헥사풀루오로프로필렌(polyvinylidene fluoride-co-hexafluoropropylene), 폴리비닐리덴 플루오라이드-트리클로로에틸렌(polyvinylidene fluoride-co-trichloroethylene), 폴리메틸메타크릴레이트(polymethyl methacrylate), 폴리아크릴로니트릴(polyacrylonitrile), 폴리비닐피롤리돈(polyvinylpyrrolidone), 폴리비닐아세테이트(polyvinylacetate), 에틸렌 비닐 아세테이트 공중합체(polyethylene-co-vinyl acetate), 폴리에틸렌옥사이드(polyethylene oxide), 폴리에틸렌테레프탈레이트(polyethylene terephtalate), 폴리술폰(polysulfone), 폴리이미드(polyimide), 폴리아마이드(polyamide), 셀룰로오스 아세테이트(cellulose acetate), 셀룰로오스 아세테이트 부티레이트(cellulose acetate butyrate), 셀룰로오스 아세테이트 프로피오네이트(cellulose acetate propionate), 카르복실 메틸 셀룰로오스(carboxyl methyl cellulose), 시아노에틸풀루란(cyanoethylpullulan), 시아노에틸폴리비닐알콜(cyanoethylpolyvinylalcohol), 시아노에틸셀룰로오스(cyanoethylcellulose), 시 아노에틸수크로오스(cyanoethylsucrose), 풀루란(pullulan) 및 이들의 혼합체에서 선택된 것을 특징으로 하는 전기화학소자.
- 제 1 항의 전기화학소자를 단수 또는 복수로 구비한 전기화학소자 팩.
- 제 6 항에 있어서, 상기 전기화학소자가 병렬 또는 직렬 연결의 조합으로 구성된 것을 특징으로 하는 전기화학소자 팩.
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040021176A KR100735486B1 (ko) | 2004-03-29 | 2004-03-29 | 2종 분리막을 사용한 전기화학소자 |
US11/091,145 US7604895B2 (en) | 2004-03-29 | 2005-03-28 | Electrochemical cell with two types of separators |
TW094109893A TWI279938B (en) | 2004-03-29 | 2005-03-29 | Electrochemical cell with two types of separators |
AT05789651T ATE557434T1 (de) | 2004-03-29 | 2005-03-29 | Elektrochemische zelle mit zwei arten von separatoren |
EP05789651A EP1730799B1 (en) | 2004-03-29 | 2005-03-29 | Electrochemical cell with two types of separators |
RU2006134501/09A RU2321922C1 (ru) | 2004-03-29 | 2005-03-29 | Электрохимический элемент с двумя типами сепараторов |
BRPI0508249-8A BRPI0508249B1 (pt) | 2004-03-29 | 2005-03-29 | Electrochemical device comprising an electrode assembly including a cathode, an anode and a separator disposed between the cathode and the anode e Set of electrochemical devices |
CNB2005800101073A CN100468832C (zh) | 2004-03-29 | 2005-03-29 | 具有两种隔膜的电化学电池 |
CA2561749A CA2561749C (en) | 2004-03-29 | 2005-03-29 | Electrochemical cell with two types of separators |
PCT/KR2005/000911 WO2006004280A1 (en) | 2004-03-29 | 2005-03-29 | Electrochemical cell with two types of separators |
EP11179861.7A EP2393143B1 (en) | 2004-03-29 | 2005-03-29 | Electrochemical cell with two types of separators |
JP2007506079A JP4554676B2 (ja) | 2004-03-29 | 2005-03-29 | 2種類のセパレータを有する電気化学的電池 |
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KR1020040021176A KR100735486B1 (ko) | 2004-03-29 | 2004-03-29 | 2종 분리막을 사용한 전기화학소자 |
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KR20050095956A KR20050095956A (ko) | 2005-10-05 |
KR100735486B1 true KR100735486B1 (ko) | 2007-07-04 |
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KR1020040021176A KR100735486B1 (ko) | 2004-03-29 | 2004-03-29 | 2종 분리막을 사용한 전기화학소자 |
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Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101048617B1 (ko) * | 2006-07-13 | 2011-07-13 | 주식회사 엘지화학 | 수명 특성이 개선된 리튬 이차 전지 |
KR101009551B1 (ko) * | 2008-02-19 | 2011-01-18 | 삼성에스디아이 주식회사 | 전극조립체 및 이를 구비한 이차전지 |
KR101155920B1 (ko) * | 2010-07-16 | 2012-06-20 | 삼성에스디아이 주식회사 | 전극 어셈블리 및 이를 이용한 이차 전지 |
CN101913862B (zh) * | 2010-07-27 | 2012-07-25 | 大连海事大学 | 一种锂离子电池用复合隔膜及应用该隔膜的锂离子电池 |
WO2014077469A1 (ko) * | 2012-11-13 | 2014-05-22 | 주식회사 엘지화학 | 단면 음극을 포함하는 단차를 갖는 전극 조립체 |
CN103259051B (zh) * | 2013-05-07 | 2015-12-23 | 杭州金色能源科技有限公司 | 一种卷绕式锂电池及其电芯 |
KR101553957B1 (ko) | 2013-07-15 | 2015-09-18 | (주)포스코켐텍 | 리튬 이차 전지용 전극 활물질의 제조 방법, 리튬 이차 전지용 전극 활물질, 및 리튬 이차 전지 |
KR101815711B1 (ko) | 2013-08-26 | 2018-01-05 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
KR101676406B1 (ko) * | 2013-10-31 | 2016-11-15 | 주식회사 엘지화학 | 스택-폴딩형 전극 조립체 |
KR101684393B1 (ko) * | 2014-01-10 | 2016-12-08 | 주식회사 엘지화학 | 안전 분리막을 가진 전극조립체 및 이를 포함하는 이차전지 |
KR101684391B1 (ko) * | 2014-01-10 | 2016-12-08 | 주식회사 엘지화학 | 안전 분리막을 가진 전극조립체 및 이를 포함하는 이차전지 |
WO2015105369A1 (ko) * | 2014-01-10 | 2015-07-16 | 주식회사 엘지화학 | 안전 분리막을 가진 전극조립체 및 이를 포함하는 이차전지 |
KR101684381B1 (ko) * | 2014-01-10 | 2016-12-08 | 주식회사 엘지화학 | 안전 분리막을 가진 전극조립체 및 이를 포함하는 이차전지 |
CN107353000B (zh) * | 2017-08-14 | 2020-10-02 | 湖南嘉业达电子有限公司 | 一种锆钛酸铅压电陶瓷烧结用隔离粉及其制备方法 |
CN112864474B (zh) * | 2021-01-05 | 2022-10-11 | 国联汽车动力电池研究院有限责任公司 | 一种高安全电池结构及电池 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR200182059Y1 (ko) * | 1999-12-09 | 2000-05-15 | 노대구 | 발가락 속 양말 |
KR200182058Y1 (ko) * | 1999-12-09 | 2000-05-15 | 강윤모 | 음료수 용기의 밀봉용 마개 |
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KR200182059Y1 (ko) * | 1999-12-09 | 2000-05-15 | 노대구 | 발가락 속 양말 |
KR200182058Y1 (ko) * | 1999-12-09 | 2000-05-15 | 강윤모 | 음료수 용기의 밀봉용 마개 |
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KR20050095956A (ko) | 2005-10-05 |
CN1938881A (zh) | 2007-03-28 |
CN100468832C (zh) | 2009-03-11 |
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