KR101488850B1 - 전기화학전지용 분리막 및 이의 제조방법 - Google Patents
전기화학전지용 분리막 및 이의 제조방법 Download PDFInfo
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- KR101488850B1 KR101488850B1 KR1020107006170A KR20107006170A KR101488850B1 KR 101488850 B1 KR101488850 B1 KR 101488850B1 KR 1020107006170 A KR1020107006170 A KR 1020107006170A KR 20107006170 A KR20107006170 A KR 20107006170A KR 101488850 B1 KR101488850 B1 KR 101488850B1
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Abstract
Description
Claims (73)
- 전기화학전지용 분리막(separator)으로서,
상기 분리막이 다공성 지지체 상에 부착된 다공성 복합층을 포함하고, 상기 복합층이 전기화학적으로 안정한 중합체 매트릭스 중에 입자 크기가 1㎛ 미만인 전기화학적으로 안정한 무기 입자들을 포함하며, 상기 복합층이 적어도 이정(bimodal) 기공 분포를 가지며, 여기서 제1의 보다 작은 크기의 기공들은 상기 층 중에 균일하게 분포하며, 하나 이상의 보다 큰 크기의 기공들은 상기 층 중에 랜덤하게 분포하며, 상기 기공들의 치수는 나노미터인, 전기화학전지용 분리막. - 제1항에 있어서, 제1의 보다 작은 기공 크기가 5 내지 100nm의 범위인, 전기화학전지용 분리막.
- 제1항에 있어서, 보다 큰 기공 크기가 100 내지 500nm의 범위인, 전기화학전지용 분리막.
- 제1항에 있어서, 보다 큰 기공 크기가 100 내지 200nm의 범위인, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 입자들이 단분산성이며, 입자 크기가 10 내지 500nm의 범위인, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 입자들이 단분산성이며, 입자 크기가 10 내지 50nm의 범위인, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 입자들이 단분산성이며, 입자 크기가 10 내지 20nm의 범위인, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 층의 기공 용적 분율이 25% 초과인, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 복합층이 무기 입자들과 중합체 결합제를 95:5 내지 35:65의 무기 입자:중합체의 중량비로 포함하는, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 복합층이 무기 입자들과 중합체를 65:35 내지 45:55의 중량비로 포함하는, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 중합체가 Li-이온 전지와 전기화학적으로 상용성(compatible)인 중합체를 포함하는, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 중합체가 라텍스 중합체 및 폴리비닐리덴 플루오라이드계 중합체의 그룹으로부터 선택되는, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 무기 재료가 실리카, 알루미나, 천연 및 합성 제올라이트, 및 입자 크기가 1㎛ 미만인 기타 전기화학적으로 안정한 무기 입자들로 이루어진 그룹으로부터 선택되는, 전기화학전지용 분리막.
- 제13항에 있어서, 상기 실리카가 훈증 실리카(fumed silica)를 포함하는, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 층의 총 두께가 2 내지 40㎛의 범위인, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 층의 총 두께가 10 내지 20㎛의 범위인, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 지지체가 전극을 포함하는, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 지지체가 중합체 시트를 포함하는, 전기화학전지용 분리막.
- 제1항에 있어서, 상기 층이 균열 또는 결함이 없는, 전기화학전지용 분리막.
- 제1항에 기재된 분리막을 포함하는 전극.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95710107P | 2007-08-21 | 2007-08-21 | |
| US60/957,101 | 2007-08-21 | ||
| PCT/US2008/073924 WO2009026467A1 (en) | 2007-08-21 | 2008-08-21 | Separator for electrochemical cell and method for its manufacture |
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| KR1020147027377A Division KR101590339B1 (ko) | 2007-08-21 | 2008-08-21 | 전기화학전지용 분리막 및 이의 제조방법 |
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| KR1020107006170A Active KR101488850B1 (ko) | 2007-08-21 | 2008-08-21 | 전기화학전지용 분리막 및 이의 제조방법 |
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| EP (2) | EP2913881A1 (ko) |
| JP (2) | JP5426551B2 (ko) |
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| US8883354B2 (en) | 2006-02-15 | 2014-11-11 | Optodot Corporation | Separators for electrochemical cells |
| US7858928B2 (en) * | 2006-09-20 | 2010-12-28 | The United States of America Department of Health and Human Services | Nanostructured surfaces as a dual ionization LDI-DESI platform for increased peptide coverage in proteomic analysis |
| KR100833770B1 (ko) * | 2007-01-03 | 2008-05-29 | 삼성에스디아이 주식회사 | 전극 조립체 및 이를 구비하는 이차 전지 |
| KR101590339B1 (ko) * | 2007-08-21 | 2016-02-01 | 에이일이삼 시스템즈 인코포레이티드 | 전기화학전지용 분리막 및 이의 제조방법 |
| US8852787B2 (en) * | 2007-09-28 | 2014-10-07 | A123 Systems Llc | Batteries having inorganic/organic porous films |
| KR100947181B1 (ko) * | 2007-11-19 | 2010-03-15 | 주식회사 엘지화학 | 다공성 코팅층이 형성된 세퍼레이터 및 이를 구비한전기화학소자 |
| WO2009120812A2 (en) * | 2008-03-25 | 2009-10-01 | A123 Systems, Inc. | High energy high power electrodes and batteries |
| JP5470255B2 (ja) * | 2008-09-12 | 2014-04-16 | 日本バイリーン株式会社 | リチウムイオン二次電池用セパレータ、その製造方法、及びリチウムイオン二次電池 |
| CN102388483B (zh) | 2009-01-12 | 2016-04-06 | A123系统有限责任公司 | 叠层电池及其制备方法 |
| JP2012527738A (ja) | 2009-05-20 | 2012-11-08 | ポーラス パワー テクノロジーズ,エルエルシー | 微多孔膜の処理と接着剤 |
| KR20180081752A (ko) | 2009-05-26 | 2018-07-17 | 옵토도트 코포레이션 | 나노다공성 세퍼레이터 상의 전극 직접 코팅을 이용한 배터리 |
| DE102009034674A1 (de) * | 2009-07-24 | 2011-01-27 | Li-Tec Battery Gmbh | Lithium-Ionen-Batterie |
| US8481187B2 (en) * | 2009-09-10 | 2013-07-09 | Battelle Memorial Institute | High-energy metal air batteries |
| US9039788B2 (en) * | 2009-11-18 | 2015-05-26 | Battelle Memorial Institute | Methods for making anodes for lithium ion batteries |
| KR20110064689A (ko) * | 2009-12-08 | 2011-06-15 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
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2008
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- 2008-08-21 KR KR1020107006170A patent/KR101488850B1/ko active Active
- 2008-08-21 EP EP14195382.8A patent/EP2913881A1/en not_active Withdrawn
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- 2008-08-21 EP EP08827786.8A patent/EP2201628B1/en active Active
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- 2008-08-21 CN CN200880112058.8A patent/CN101828283B/zh active Active
- 2008-08-21 JP JP2010522046A patent/JP5426551B2/ja active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| US9728759B2 (en) | 2017-08-08 |
| WO2009026467A1 (en) | 2009-02-26 |
| US20150072219A1 (en) | 2015-03-12 |
| EP2201628A4 (en) | 2011-12-21 |
| US20170373292A1 (en) | 2017-12-28 |
| JP2014038851A (ja) | 2014-02-27 |
| KR20140130527A (ko) | 2014-11-10 |
| JP5426551B2 (ja) | 2014-02-26 |
| EP2201628A1 (en) | 2010-06-30 |
| CN101828283B (zh) | 2014-09-17 |
| KR101590339B1 (ko) | 2016-02-01 |
| US10497916B2 (en) | 2019-12-03 |
| EP2201628B1 (en) | 2015-02-18 |
| US20090155678A1 (en) | 2009-06-18 |
| EP2913881A1 (en) | 2015-09-02 |
| KR20100058579A (ko) | 2010-06-03 |
| JP6106562B2 (ja) | 2017-04-05 |
| JP2010537387A (ja) | 2010-12-02 |
| CN101828283A (zh) | 2010-09-08 |
| US8697273B2 (en) | 2014-04-15 |
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