KR100570702B1 - 리튬 이차 전지용 고분자 전해질 조성물 및 이를 이용하여제조된 리튬 이차 전지 - Google Patents
리튬 이차 전지용 고분자 전해질 조성물 및 이를 이용하여제조된 리튬 이차 전지 Download PDFInfo
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Abstract
Description
Claims (13)
- 아크릴레이트계 폴리머;알킬치환기를 갖는 락톤계 화합물;비수성 유기 용매; 및리튬염을 포함하는 리튬 이차 전지용 고분자 전해질 조성물.
- 제 1 항에 있어서, 상기 아크릴레이트계 폴리머의 함량은 0.1 내지 2 중량%인 리튬 이차 전지용 전해질 조성물.
- 제 2 항에 있어서, 상기 아크릴레이트계 폴리머는 폴리에스테르 아크릴레이트계 및 폴리에스테르메타아크릴레이트계 폴리머로 이루어진 군에서 선택되는 것인 리튬 이차 전지용 전해질 조성물.
- 제 1 항에 있어서, 상기 락톤계 화합물의 함량은 상기 비수성 유기 용매에 대하여 1 내지 10 중량%인 리튬 이차 전지용 전해질 조성물.
- 제 4 항에 있어서, 상기 락톤계 화합물은 감마-카프로락톤, 베타-부티토락톤, 감마-발레로락톤, 감마-헵타노락톤, 감마-옥타노락톤, 감마-노나락톤, 감마-데 카노락톤, 델타-카프로락톤, 델타-헵타노락톤, 델타-옥타노락톤, 델타-노나락톤 및 델타-데카노락톤, 델타-도데카노락톤으로 이루어진 군에서 선택되는 것인 리튬 이차 전지용 전해질 조성물.
- 제 1 항에 있어서, 상기 전해질은 유기산 과산화물을 더욱 포함하는 것인 리튬 이차 전지용 전해질 조성물.
- 제 6 항에 있어서, 상기 유기산 과산화물의 함량은 상기 비수성 유기 용매에 대하여 100ppm 내지 50000ppm인 리튬 이차 전지용 전해질 조성물.
- 제 6 항에 있어서, 상기 유기산 과산화물은 디라우로일퍼옥사이드, 벤조일 퍼옥사이드, m-톨루오일 퍼옥사이드, t-부틸 퍼옥시-2-에틸 헥사노에이트, t-부틸퍼옥시 바이바레이트, t-부틸퍼옥시 네오데카네이트, 디이소프로필 퍼옥시 디카보네이트, 디에톡시 퍼옥시 디카보네이트, 비스-(4-t-부틸사이클로헥실)퍼옥시 디카보네이트, 디메톡시 이소프로필 퍼옥시 디카보네이트, 디사이클로헥실퍼옥시 디카보네이트, 및 C3∼C30의 디알킬 또는 디알콕시 퍼옥사이드로 구성된 군에서 선택되는 것인 리튬 이차 전지용 전해질 조성물.
- 아크릴레이트계 폴리머, 알킬치환기를 갖는 락톤계 화합물, 비수성 유기 용 매 및 리튬염을 포함하는 전해질 조성물이 중합된 고분자 전해질;리튬을 인터칼레이션 및 디인터칼레이션할 수 있는 양극 활물질을 포함하는 양극; 및리튬을 인터칼레이션 및 디인터칼레이션할 수 있는 음극 활물질을 포함하는 리튬 이차 전지.
- 제 9 항에 있어서, 상기 아크릴레이트계 폴리머는 폴리에스테르 아크릴레이트계 및 폴리에스테르메타아크릴레이트계 폴리머로 이루어진 군에서 선택되는 것인 리튬 이차 전지.
- 제 9 항에 있어서, 상기 락톤계 화합물은 감마-카프로락톤, 베타-부티토락톤, 감마-발레로락톤, 감마-헵타노락톤, 감마-옥타노락톤, 감마-노나락톤, 감마-데카노락톤, 델타-카프로락톤, 델타-헵타노락톤, 델타-옥타노락톤, 델타-노나락톤 및 델타-데카노락톤, 델타-도데카노락톤으로 이루어진 군에서 선택되는 것인 리튬 이차 전지.
- 제 9 항에 있어서, 상기 전해질은 유기산 과산화물을 더욱 포함하는 것인 리튬 이차 전지.
- 제 12 항에 있어서, 상기 유기산 과산화물은 디라우로일퍼옥사이드, 벤조일 퍼옥사이드, m-톨루오일 퍼옥사이드, t-부틸 퍼옥시-2-에틸 헥사노에이트, t-부틸퍼옥시 바이바레이트, t-부틸퍼옥시 네오데카네이트, 디이소프로필 퍼옥시 디카보네이트, 디에톡시 퍼옥시 디카보네이트, 비스-(4-t-부틸사이클로헥실)퍼옥시 디카보네이트, 디메톡시 이소프로필 퍼옥시 디카보네이트, 디사이클로헥실퍼옥시 디카보네이트, 및 C3∼C30의 디알킬 또는 디알콕시 퍼옥사이드로 구성된 군에서 선택되는 것인 리튬 이차 전지.
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KR1020040098558A KR100570702B1 (ko) | 2004-11-29 | 2004-11-29 | 리튬 이차 전지용 고분자 전해질 조성물 및 이를 이용하여제조된 리튬 이차 전지 |
US11/290,130 US7638242B2 (en) | 2004-11-29 | 2005-11-29 | Polymer electrolyte composition for rechargeable lithium battery and rechargeable lithium battery including the same |
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JP2008300302A (ja) * | 2007-06-04 | 2008-12-11 | Panasonic Corp | 非水電解質二次電池及び非水電解質二次電池用正極の製造方法 |
TWI448504B (zh) * | 2009-04-17 | 2014-08-11 | Univ Nat Cheng Kung | 電解質膠化劑及利用其製備之膠態電解質 |
KR20110097459A (ko) * | 2010-02-25 | 2011-08-31 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
WO2012025543A1 (en) | 2010-08-24 | 2012-03-01 | Basf Se | Electrolyte materials for use in electrochemical cells |
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WO2000010213A1 (fr) * | 1998-08-11 | 2000-02-24 | Yuasa Corporation | Batterie au lithium, electrolyte polymere, materiau electrolyte, ester di(meth)acrylique et polymere di(meth)acrylate |
JP4016506B2 (ja) * | 1998-10-16 | 2007-12-05 | ソニー株式会社 | 固体電解質電池 |
DE19916043A1 (de) * | 1999-04-09 | 2000-10-19 | Basf Ag | Verbundkörper geeignet zur Verwendung als Lithiumionenbatterie |
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