KR20070106416A - 겔 폴리머층을 포함하는 전지용 분리막 - Google Patents
겔 폴리머층을 포함하는 전지용 분리막 Download PDFInfo
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- KR20070106416A KR20070106416A KR1020070040290A KR20070040290A KR20070106416A KR 20070106416 A KR20070106416 A KR 20070106416A KR 1020070040290 A KR1020070040290 A KR 1020070040290A KR 20070040290 A KR20070040290 A KR 20070040290A KR 20070106416 A KR20070106416 A KR 20070106416A
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Abstract
Description
Claims (17)
- 기재 상에 서로 연결되어 있는 개방형 3차원 기공을 다수 포함하는 겔 폴리머층이 형성된 전지용 분리막.
- 제1항에 있어서, 서로 연결되어 있는 개방형 3차원 기공을 포함하는 겔 폴리머 층은 겔 폴리머를 용매에 용해시킨 겔 폴리머 용액 상에 비용매 첨가를 통해 겔 폴리머 풍부 상(相)과 겔 폴리머 결핍 상(相)으로 상분리시킴으로써 형성된 것이 특징인 전지용 분리막.
- 제2항에 있어서, 겔 폴리머를 용매에 용해시킨 겔 폴리머 용액에 비용매를 일부 첨가하여 미리 상분리를 일으킨 상태에서 기재 상에 적용하거나,겔 폴리머를 용매에 용해시킨 겔 폴리머 용액을 기재 상에 적용한 후 비용매에 침지시켜 상분리를 일으키거나,겔 폴리머를 용매에 용해시킨 겔 폴리머 용액을 기재 상에 적용한 후 건조시 비용매 증기를 분사하여 상분리시킴으로써,겔 폴리머 층에 개방형 3차원 기공이 형성된 것이 특징인 전지용 분리막.
- 제1항에 있어서, 겔 폴리머는 용해도 지수가 15 내지 45 MPa1/2 인 것이 특징 인 전지용 분리막.
- 제1항에 있어서, 겔폴리머의 분자량은 10,000 내지 1,000,000 인 것이 특징인 전지용 분리막.
- 제2항에 있어서, 겔 폴리머를 용해하는 용매는 아세톤, 테트라하이드로퓨란, 메틸렌클로라이드, 클로로포름, 디메틸포름아미드, N-메틸-2-피롤리돈, 시클로헥산, 또는 이들의 혼합물인 것이 특징인 전지용 분리막.
- 제2항에 있어서, 겔 폴리머에 대한 비용매는 알코올류, 물 또는 이들의 혼합물인 것이 특징인 전지용 분리막.
- 제2항에 있어서, 용매에 대한 겔 폴리머의 농도는 0.1~30중량%인 것이 특징인 전지용 분리막.
- 제2항에 있어서, 용매에 대한 비용매의 비율은 0.1~50 부피%인 것이 특징인 전지용 분리막.
- 제1항에 있어서, 기공의 평균 직경이 0.01~10㎛인 것이 특징인 전지용 분리막.
- 제1항에 있어서, 기재의 두께는 1 내지 100㎛ 이고, 겔 폴리머층 두께는 0.1~10㎛인 것이 특징인 전지용 분리막.
- 겔 폴리머를 용매에 용해시킨 겔 폴리머 용액에 비용매를 일부 첨가하여 상분리한 용액을 기재 상에 적용시키는 단계; 및 건조 단계를 포함하여, 기재상에 서로 연결된 개방형 3차원 기공을 포함하는 겔 폴리머 층의 제조 방법.
- 겔 폴리머를 용매에 용해시킨 겔 폴리머 용액을 기재 상에 적용한 후 비용매에 침지시켜 상분리를 적용시키는 단계; 및 건조 단계를 포함하여, 기재상에 서로 연결된 개방형 3차원 기공을 포함하는 겔 폴리머 층의 제조 방법.
- 겔 폴리머를 용매에 용해시킨 겔 폴리머 용액을 기재 상에 적용하는 단계; 및 건조시 비용매 증기를 분사하여 상분리시키는 단계를 포함하여, 기재상에 서로 연결된 개방형 3차원 기공을 포함하는 겔 폴리머 층의 제조 방법.
- 제12항 내지 제14항 중 어느 한 항에 있어서, 건조 온도는 50 ~ 130도인 것이 특징인 제조 방법.
- (a) 양극; (b) 음극; (c) 제1항 내지 제11항 중 어느 한 항에 따라 기재 상 에 서로 연결된 개방형 3차원 기공을 다수 포함하는 겔 폴리머층이 형성된 분리막; 및 (d) 전해액을 포함하는 전기 화학 소자.
- 제16항에 있어서, 상기 전기 화학 소자는 리튬 이차 전지인 전기 화학 소자.
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KR1020060038956 | 2006-04-28 | ||
KR20060038956 | 2006-04-28 |
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KR20070106416A true KR20070106416A (ko) | 2007-11-01 |
KR100925643B1 KR100925643B1 (ko) | 2009-11-06 |
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US (1) | US20090311589A1 (ko) |
EP (3) | EP2541645B1 (ko) |
JP (5) | JP5612854B2 (ko) |
KR (1) | KR100925643B1 (ko) |
CN (1) | CN101432906B (ko) |
TW (1) | TWI348779B (ko) |
WO (1) | WO2007126242A1 (ko) |
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2007
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- 2007-04-25 EP EP12175275.2A patent/EP2541645B1/en active Active
- 2007-04-25 KR KR1020070040290A patent/KR100925643B1/ko active IP Right Grant
- 2007-04-25 EP EP07746178A patent/EP2025020A4/en not_active Withdrawn
- 2007-04-25 CN CN200780015291XA patent/CN101432906B/zh active Active
- 2007-04-25 EP EP14158052.2A patent/EP2741345B1/en active Active
- 2007-04-25 US US12/226,582 patent/US20090311589A1/en not_active Abandoned
- 2007-04-25 WO PCT/KR2007/002018 patent/WO2007126242A1/en active Application Filing
- 2007-04-27 TW TW096114929A patent/TWI348779B/zh active
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- 2014-09-05 JP JP2014181088A patent/JP2015028942A/ja active Pending
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2779275A4 (en) * | 2011-11-11 | 2016-03-02 | SEPARATOR AND ELECTROCHEMICAL DEVICE COMPRISING SAID SEPARATOR | |
US10033024B2 (en) | 2011-11-11 | 2018-07-24 | Lg Chem, Ltd. | Separator and electrochemical device having the same |
Also Published As
Publication number | Publication date |
---|---|
JP5612854B2 (ja) | 2014-10-22 |
WO2007126242A1 (en) | 2007-11-08 |
TWI348779B (en) | 2011-09-11 |
JP6463785B2 (ja) | 2019-02-06 |
TW200816545A (en) | 2008-04-01 |
JP7109384B2 (ja) | 2022-07-29 |
EP2541645A2 (en) | 2013-01-02 |
US20090311589A1 (en) | 2009-12-17 |
KR100925643B1 (ko) | 2009-11-06 |
EP2741345A3 (en) | 2014-12-17 |
EP2741345A2 (en) | 2014-06-11 |
JP2015028942A (ja) | 2015-02-12 |
EP2741345B1 (en) | 2017-09-13 |
EP2025020A4 (en) | 2011-07-20 |
JP2009535764A (ja) | 2009-10-01 |
JP2017103241A (ja) | 2017-06-08 |
EP2541645A3 (en) | 2013-08-28 |
EP2541645B1 (en) | 2014-08-27 |
CN101432906A (zh) | 2009-05-13 |
EP2025020A1 (en) | 2009-02-18 |
JP2022071878A (ja) | 2022-05-16 |
CN101432906B (zh) | 2011-06-15 |
JP2019079822A (ja) | 2019-05-23 |
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