KR19990088434A - 전해액담지중합체막및이를사용한2차전지 - Google Patents
전해액담지중합체막및이를사용한2차전지 Download PDFInfo
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- KR19990088434A KR19990088434A KR1019990018214A KR19990018214A KR19990088434A KR 19990088434 A KR19990088434 A KR 19990088434A KR 1019990018214 A KR1019990018214 A KR 1019990018214A KR 19990018214 A KR19990018214 A KR 19990018214A KR 19990088434 A KR19990088434 A KR 19990088434A
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Abstract
Description
| 번호 | 중합체 | 다공질 보강부재의 유무 | 막 두께(μm) | 전체담지량(phr) | 찌름 강도(g) | 전도도(S/cm,25℃) | TMA내열온도(℃) |
| 실시예 1 | P(VdF-HFP)5몰 | 유 | 45 | 108 | 450 | 1.3x10-3 | >400 |
| 비교예 1 | P(VdF-HFP)5몰 | 무 | 45 | 300 | 20 | 2.5x10-3 | 100 |
| 비교예 2 | P(VdF-HFP)5몰 | 무 | 45 | 100 | 48 | 4.0x10-4 | 144 |
| 비교예 3 | P(VdF-HFP)5몰 | 유 | 45 | 47 | 483 | 8.9x10-5 | >400 |
| 비교예 4 | P(VdF-HFP)5몰 | 유 | 45 | 150 | 128 | 1.9x10-3 | >400 |
| 실시예 2 | P(VdF-HFP)8.7몰 | 유 | 45 | 93 | 424 | 6.8x10-4 | >400 |
| 비교예 5 | P(VdF-HFP)8.7몰 | 무 | 45 | 245 | 21 | 1.8x10-3 | 55 |
| 비교예 6 | P(VdF-HFP)8.7몰 | 유 | 함침 곤란 | ||||
| 실시예 3 | PAN | 유 | 45 | 127 | 415 | 7.4x10-4 | >400 |
| 비교예 7 | PAN | 무 | 45 | 730 | 10 | 2.0x10-3 | 115 |
| 실시예 4 | P(VdF-FMVE)5.3몰 | 유 | 45 | 104 | 460 | 1.0x10-3 | >400 |
| 실시예 5 | P(VdF-FMVE)9.0몰 | 유 | 45 | 108 | 438 | 8.8x10-4 | >400 |
Claims (24)
- 고강도의 내열성 수지로 이루어지며 두께가 100μm 이하인 다공질 보강 부재(A), 다공질 보강 부재에 유지된 극성 유기 고분자 화합물(B) 및 극성 유기 고분자 화합물과 일체화하여 겔상화된 극성 유기 용매(c1)와 전해질(c2)로 이루어진 전해액(C)을 보유하여 이루어지고 두께가 200μm 이하이고 이온 전도도가 5 x 10-4S/cm 이상이며 찌름 강도가 150g 이상이고 역학적 내열 온도가 300℃ 이상인 전해액 담지 중합체 막.
- 제1항에 있어서, 고강도의 내열성 수지가 방향족 폴리아미드인 전해액 담지 중합체 막.
- 제1항 또는 제2항에 있어서, 다공질 보강 부재(A)가, 두께가 50μm 이하이고 찌름 강도가 1O0g 이상이며 공기 투과도가 10sec/100cc·in2이하인 3차원 망목상 박막에 유래하는 전해액 담지 중합체 막.
- 제1항 내지 제3항 중의 어느 한 항에 있어서, 다공질 보강 부재(A)가 부직포, 직포 또는 섬유인 전해액 담지 중합체 막.
- 제4항에 있어서, 다공질 보강 부재(A)가 단위면적당 중량이 8 내지 35g/m2인부직포상 시트인 전해액 담지 중합체 막.
- 제3항에 있어서, 다공질 보강 부재(A)가, 맥밀란 수가 5 이하인 다공질 박막인 전해액 담지 중합체 막.
- 제1항에 있어서, 극성 유기 고분자 화합물(B)이 폴리비닐리덴 플루오라이드계 화합물인 전해액 담지 중합체 막.
- 제7항에 있어서, 폴리비닐리덴 플루오라이드계 화합물이 비닐리덴 플루오라이드와 퍼플루오로 저급 알킬 비닐 에테르를 주성분으로 하는 공중합체인 전해액 담지 중합체 막.
- 제8항에 있어서, 퍼플루오로 저급 알킬 비닐 에테르가 퍼플루오로메틸 비닐 에테르인 전해액 담지 중합체 막.
- 제9항에 있어서, 폴리비닐리덴 플루오라이드계 화합물이 비닐리덴 플루오라이드(VdF)와 퍼플루오로메틸 비닐 에테르(PFMV)와의 몰 비(VdF/PFMV) 98/2 내지 92/8의 공중합체인 전해액 담지 중합체 막.
- 제7항에 있어서, 폴리비닐리덴 플루오라이드계 화합물이 비닐리덴 플루오라이드와 헥사플루오로프로필렌을 주성분으로 하는 공중합체인 전해액 담지 중합체 막.
- 제11항에 있어서, 폴리비닐리덴 플루오라이드계 화합물이 비닐리덴 플루오라이드(VdF)와 헥사플루오로프로필렌(HFP)과의 몰 비(VdF/HFP) 98/2 내지 92/8의 공중합체인 전해액 담지 중합체 막.
- 제1항 내지 제12항 중의 어느 한 항에 있어서, 극성 유기 용매(c1)가 프로필렌 카보네이트, 에틸렌 카보네이트, 부틸렌 카보네이트, 디메틸 카보네이트, 디에틸 카보네이트, 메틸에틸 카보네이트, 1,2-디메톡시에탄, 1,2-디에톡시에탄 및 γ-부티로락톤으로부터 선택된 하나 이상의 액체인 전해액 담지 중합체 막.
- 제1항 내지 제12항 중의 어느 한 항에 있어서, 전해질(c2)이 과염소산리튬, 육불화인산리튬, 붕사불화리튬, 트리플루오로설폰산리튬, 리튬퍼플루오로메틸설포닐이미드 및 리튬퍼플루오로에틸설포닐이미드로부터 선택된 하나 이상의 전해질인 전해액 담지 중합체 막.
- 제1항 내지 제14항 중의 어느 한 항에 있어서, 극성 유기 고분자 화합물(B)에 대하여 전해액(C)을 100phr 이상 담지하는 전해액 담지 중합체 막.
- 제1항 내지 제15항 중의 어느 한 항에 있어서, 전해액 담지 중합체 막의 두께(a)와 다공질 보강 부재의 두께(b)의 비(a/b)가 1.05 내지 2.0인 전해액 담지 중합체 막.
- 제1항 내지 제15항 중의 어느 한 항에 있어서, 전해액의 전체 담지량이 80phr 이상이며 견고한 담지량이 전체 담지량의 50% 이상인 전해액 담지 중합체 막.
- 전해액을 유지하는, 리튬 이온을 흡수 저장 방출하는 양극 재료를 보유하여 이루어진 양극과 전해액을 유지하는, 리튬 이온을 흡수 저장 방출하는 탄소질 음극 재료를 보유하여 이루어진 음극이 전해액 담지 중합체 막을 개재하여 접합된 중합체 2차 전지에 있어서,전해액 담지 중합체 막의 이온 전도도가 25℃에서 5 × 10-4S/cm 이상이고 찌름 강도가 150g 이상이며 역학적 내열 온도가 300℃ 이상임을 특징으로 하는 중합체 전해질 2차 전지.
- 전해액 담지 중합체 막이 고강도의 내열성 수지로 이루어지며 두께가 100μm 이하인 다공질 보강 부재(A), 다공질 보강 부재에 유지된 극성 유기 고분자 화합물(B) 및 극성 유기 고분자 화합물과 일체화하여 겔상화된 극성 유기 용매(c1)와 전해질(c2)로 이루어진 전해액(C)을 보유하여 이루어지며 두께가 200μm 이하이고 이온 전도도가 5 x 10-4S/cm 이상이며 찌름 강도가 150g 이상이고 역학적 내열 온도가 300℃ 이상인 전해액 담지 중합체 막임을 특징으로 하는, 중합체 전해질 2차 전지.
- 제18항 또는 제19항에 있어서, 양극과 전해액 담지 중합체 막과의 계면과 음극과 전해액 담지 중합체 막과의 계면이 각각 10gf/cm 이상의 박리 강도로 접착되어 있음을 특징으로 하는, 중합체 전해질 2차 전지.
- 전해액을 유지하는 상태의 양극, 전해액을 유지하는 상태의 전해액 담지 중합체 막 및 전해액을 유지하는 상태의 음극을 이러한 순서로 중첩시키고 열압착법으로 접합시킴을 특징으로 하는, 중합체 전해질 2차 전지의 제조방법.
- 제21항에 있어서, 전해액 담지 중합체 막에서 겔상 전해액 담지 중합체의 함유량이 30 내지 85중량%이고 전해액 담지 중합체 막의 평균 막 두께가 다공질 보강 부재(A)의 평균 막 두께의 1.05 내지 2.0배임을 특징으로 하는, 중합체 전해질 2차 전지의 제조방법.
- 이온 전도도가 25℃에서 5 × 10-4S/cm 이상이고 찌름 강도가 300g 이상이며 역학적 내열 온도가 300℃ 이상인 전해액 담지 중합체 막.
- 양극, 이온 전도도가 25℃에서 5 × 10-4S/cm 이상이고 찌름 강도가 300g 이상이며 역학적 내열 온도가 300℃ 이상인 전해액 담지 중합체 막 및 음극을 갖는 중합체 전해질 2차 전지.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP98-141359 | 1998-05-22 | ||
| JP14135998A JP4017744B2 (ja) | 1998-05-22 | 1998-05-22 | 固体型ポリマー電解質膜及びその製造方法 |
| JP15937298A JP4558110B2 (ja) | 1998-06-08 | 1998-06-08 | ポリマー電解質二次電池及びその製造方法 |
| JP98-159372 | 1998-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990088434A true KR19990088434A (ko) | 1999-12-27 |
| KR100633713B1 KR100633713B1 (ko) | 2006-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990018214A Expired - Fee Related KR100633713B1 (ko) | 1998-05-22 | 1999-05-20 | 전해액 담지 중합체 막, 이를 사용한 중합체 전해질 2차 전지 및 당해 전지의 제조방법 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6291106B1 (ko) |
| EP (1) | EP0959510B1 (ko) |
| KR (1) | KR100633713B1 (ko) |
| AT (1) | ATE355624T1 (ko) |
| AU (1) | AU744769B2 (ko) |
| CA (1) | CA2272782C (ko) |
| DE (1) | DE69935279T2 (ko) |
| TW (1) | TW431009B (ko) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6235065B1 (en) * | 1998-10-27 | 2001-05-22 | Alcatel | Room temperature lamination of Li-ion polymer electrodes |
| TW431004B (en) * | 1998-10-29 | 2001-04-21 | Toshiba Corp | Nonaqueous electrolyte secondary battery |
| US6787238B2 (en) | 1998-11-18 | 2004-09-07 | The Penn State Research Foundation | Terpolymer systems for electromechanical and dielectric applications |
| US6589690B1 (en) * | 1999-03-30 | 2003-07-08 | Kabushiki Kaisha Toshiba | Secondary battery |
| TWI287556B (en) * | 1999-09-13 | 2007-10-01 | Teijin Ltd | Polymetaphenyleneisophthalamide-based polymer porous film, process for preparing same and separator for battery |
| JP2001085058A (ja) * | 1999-09-20 | 2001-03-30 | Hitachi Ltd | 非水電解液及びこれを用いたリチウム1次電池及びリチウム2次電池及び電気化学キャパシタ及び高分子電解質及びこれを用いたポリマ2次電池 |
| AU2001241987A1 (en) * | 2000-03-06 | 2001-09-17 | Rutgers, The State University | Process for preparing electrostrictive polymers and resulting polymers and articles |
| US7094497B2 (en) | 2000-03-07 | 2006-08-22 | Teijin Limited | Separator for lithium ion secondary battery |
| CN1197192C (zh) * | 2000-03-07 | 2005-04-13 | 帝人株式会社 | 锂离子二次电池、隔膜、电池组和充电方法 |
| US6881438B2 (en) | 2000-03-07 | 2005-04-19 | Teijin Limited | Process for production of composite porous film |
| US6670077B1 (en) * | 2000-09-29 | 2003-12-30 | Eveready Battery Company, Inc. | Impregnated separator for electrochemical cell and method of making same |
| WO2002079285A1 (en) * | 2001-03-30 | 2002-10-10 | The Penn State Research Foundation | Terpolymer systems for electromechanical and dielectric applications |
| US20030190527A1 (en) | 2002-04-03 | 2003-10-09 | James Pugh | Batteries comprising alkali-transition metal phosphates and preferred electrolytes |
| KR100465278B1 (ko) * | 2002-04-03 | 2005-01-13 | 한국과학기술연구원 | 자외선 경화형 젤형 고분자 전해질을 이용한 전기이중층캐패시터 |
| JP4163894B2 (ja) * | 2002-04-24 | 2008-10-08 | 帝人株式会社 | リチウムイオン二次電池用セパレータ |
| US6936377B2 (en) * | 2003-05-13 | 2005-08-30 | C. Glen Wensley | Card with embedded IC and electrochemical cell |
| US20040253520A1 (en) * | 2003-05-13 | 2004-12-16 | Wensley C. Glen | Polyimide matrix electrolyte and improved batteries therefrom |
| US20040229127A1 (en) | 2003-05-13 | 2004-11-18 | Wensley C. Glen | Polyimide matrix electrolyte |
| US7390336B2 (en) * | 2003-07-29 | 2008-06-24 | Solicore, Inc. | Polyimide-based lithium metal battery |
| US20060147792A1 (en) | 2004-07-22 | 2006-07-06 | Solicore, Inc. | Machining electrical power supply device for wire electrical discharge machining apparatus |
| WO2006010236A1 (en) * | 2004-07-30 | 2006-02-02 | Avestor Limited Partnership | Polyimide-based lithium metal battery |
| WO2006010237A1 (en) * | 2004-07-30 | 2006-02-02 | Avestor Limited Partnership | Polyimide-based battery for a portable electronic appliance |
| US20130115484A1 (en) * | 2011-11-03 | 2013-05-09 | Johnson Controls Technology Llc | Lithium ion secondary battery with improved safety characteristics |
| KR101702986B1 (ko) * | 2012-08-23 | 2017-02-06 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 세퍼레이터 |
| EP3108521B1 (en) * | 2014-02-19 | 2020-01-29 | The Regents of The University of Michigan | Dendrite-suppressing ion-conductors from aramid nanofibers withstanding extreme battery conditions |
| MY188255A (en) | 2015-11-11 | 2021-11-24 | Teijin Ltd | Separator for non-aqueous secondary battery and non-aqueous secondary battery |
| CN105576178A (zh) * | 2016-02-29 | 2016-05-11 | 黄博然 | 一种锂离子动力电池的湿法无纺布陶瓷隔膜及其制备方法 |
| US10263257B2 (en) * | 2016-09-22 | 2019-04-16 | Grst International Limited | Electrode assemblies |
| CN111341974B (zh) * | 2020-03-13 | 2022-03-11 | 江苏厚生新能源科技有限公司 | Pvdf涂胶隔膜及其制备方法、pvdf涂胶层、锂电池 |
| KR102854131B1 (ko) | 2020-04-03 | 2025-09-02 | 소테리아 배터리 이노베이션 그룹, 인크. | 아라미드 나노섬유를 포함하는 수분 흡수 및 불화수소산 소거 멤브레인 |
| JP7512140B2 (ja) * | 2020-09-15 | 2024-07-08 | 株式会社東芝 | 電極群、二次電池、電池パック及び車両 |
| CN116779956A (zh) * | 2023-06-20 | 2023-09-19 | 杭州师范大学 | 一种聚合物凝胶电解质的制备方法和应用 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US871582A (en) * | 1904-05-05 | 1907-11-19 | Luther P Friestedt | Sheet-piling. |
| JPH05335005A (ja) * | 1992-06-02 | 1993-12-17 | Asahi Chem Ind Co Ltd | セパレータ |
| US5296318A (en) | 1993-03-05 | 1994-03-22 | Bell Communications Research, Inc. | Rechargeable lithium intercalation battery with hybrid polymeric electrolyte |
| JP3279091B2 (ja) | 1993-10-07 | 2002-04-30 | 松下電器産業株式会社 | 有機電解液リチウム二次電池およびそのセパレータの製造法 |
| WO1995031499A1 (fr) * | 1994-05-18 | 1995-11-23 | Asahi Kasei Kogyo Kabushiki Kaisha | Film conducteur ionique et film precurseur de celui-ci |
| JPH0922724A (ja) | 1995-07-06 | 1997-01-21 | Toshiba Battery Co Ltd | ポリマー電解質二次電池の製造方法 |
| US5603982A (en) | 1995-09-19 | 1997-02-18 | Battery Engineering, Inc. | Thin film solid electrolyte production method |
| US5541019A (en) * | 1995-11-06 | 1996-07-30 | Motorola, Inc. | Metal hydride electrochemical cell having a polymer electrolyte |
| US5665265A (en) * | 1996-09-23 | 1997-09-09 | Motorola, Inc., | Non woven gel electrolyte for electrochemical cells |
-
1999
- 1999-04-26 TW TW088106662A patent/TW431009B/zh not_active IP Right Cessation
- 1999-05-19 AU AU29100/99A patent/AU744769B2/en not_active Ceased
- 1999-05-19 US US09/314,139 patent/US6291106B1/en not_active Expired - Lifetime
- 1999-05-20 CA CA002272782A patent/CA2272782C/en not_active Expired - Fee Related
- 1999-05-20 KR KR1019990018214A patent/KR100633713B1/ko not_active Expired - Fee Related
- 1999-05-21 AT AT99109219T patent/ATE355624T1/de not_active IP Right Cessation
- 1999-05-21 DE DE69935279T patent/DE69935279T2/de not_active Expired - Lifetime
- 1999-05-21 EP EP99109219A patent/EP0959510B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0959510B1 (en) | 2007-02-28 |
| CA2272782A1 (en) | 1999-11-22 |
| TW431009B (en) | 2001-04-21 |
| KR100633713B1 (ko) | 2006-10-13 |
| ATE355624T1 (de) | 2006-03-15 |
| AU2910099A (en) | 1999-12-02 |
| DE69935279D1 (de) | 2007-04-12 |
| AU744769B2 (en) | 2002-03-07 |
| DE69935279T2 (de) | 2007-10-31 |
| CA2272782C (en) | 2009-07-21 |
| EP0959510A2 (en) | 1999-11-24 |
| US6291106B1 (en) | 2001-09-18 |
| EP0959510A3 (en) | 2005-09-21 |
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