KR960027005A - 작동정지, 삼중층 배터리 격리판 - Google Patents

작동정지, 삼중층 배터리 격리판 Download PDF

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KR960027005A
KR960027005A KR1019950051954A KR19950051954A KR960027005A KR 960027005 A KR960027005 A KR 960027005A KR 1019950051954 A KR1019950051954 A KR 1019950051954A KR 19950051954 A KR19950051954 A KR 19950051954A KR 960027005 A KR960027005 A KR 960027005A
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battery separator
separator
microporous
thickness
per inch
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유 웨이-칭
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마이클 에이 카푸토
휙스트 세라나이즈 코오포레이션
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Abstract

본 발명은 작동정지, 삼중층 배터리 격리판에 관한 것이다. 격리판은 제2미공질 막이 사이에 낀 제1 및 제3미공질 막을 갖는다. 제1 및 제3막은 제2막보다 더욱 큰 파괴 강도를 갖는다. 제2막은 제1 또는 제3막보다 더욱 낮은 융점을 갖는다.

Description

작동정지, 삼중층 배터리 격리판
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 온도(℃)의 함수인 배터리를 작동정지시킬 수 있는 삼중층 배터리 격리판의 능력(전기 저항(ohm)으로 측정됨)을 그래프로 도시한 것이다. 제2도는 벗김 및 삼중층 형성 장치의 도식적인 설명이다.

Claims (18)

  1. 미공질 폴리에틸렌 막이 사이에 낀 제1 및 제3미공질 폴리프로필렌 막으로 구성되는 작동정지, 삼중층 배터리 격리판.
  2. 제1항에 있어서 약 0.5 내지 약 1.5mil의 범위인 두께로 부가로 구성되는 배터리 격리판.
  3. 제2항에 있어서, 약 1mil의 두께로 구성되는 배터리 격리판.
  4. 제1항에 있어서, 상기 파괴 강도가 약 450 그램 이상인 배터리 격리판.
  5. 제4항에 있어서, 상기 파괴 강도가 약 480 그램 이상인 배터리 격리판.
  6. 제1항에 있어서, 부가로 인치 당 4 그램 이상인 박리 강도를 갖는 배터리 격리판.
  7. 제6항에 있어서, 상기 박리 강도가 인치 당 6 그램 이상인 배터리 격리판.
  8. 제1항의 격리판으로 구성된 배터리.
  9. 약 0.5 내지 약 1.5mil의 범위인 두께; 약450 그램 이상인 파괴 강도; 및 인치 당 4 그램을 초과하는 박리 강도를 가지며, 미공질 폴리에틸렌 막이 사이에 낀 제1 및 제3미공질 폴리프로필렌 막으로 구성되는 작동 정지 배터리 격리판.
  10. 제9항에 있어서,상기 두께가 약 1mil인 작동정지 배터리 격리판.
  11. 제9항에 있어서, 상기 파괴 강도가 약 480 그램 이상인 작동정지 배터리 격리판.
  12. 제9항에 있어서, 상기 박리 강도가 인치 당 약 6 그램 이상인 작동정지 배터리 격리판.
  13. 제9항의 격리판으로 구성된 배터리.
  14. 패리슨(parison)을 압출시키는 단계; 패리슨을 그 안으로 접어넣어 2개의 층으로 구성된 평편한 시이트를 형성하는 단계; 평편한 시이트를 어니일링시키는 단계; 평편한 시이트를 스트레칭시키는 단계; 및 평편한 시이트를 감는 단계로 구성되는 약 0.5mil 미만의 두께를 갖는 미공질 막을 제조하는 방법으로서, 2개층 사이의 부착력이 인치당 8 그램 미만인 방법.
  15. 제14항에 있어서, 약 0.33mil 이하의 두께를 갖는 미공질 막을 제조하는 방법으로서, 부착력이 인치당 5 그램 미만인 방법.
  16. 제14항에 있어서, 공기압이 물 0.6~0.3인치 범위인 가스로 압출된 패리슨을 켄칭시키는 단계를 부가로 포함하는 방법.
  17. 제14항의 방법에 따라 제조된 2개층의 미공질 폴리프로필렌 막으로 구성된 제1 및 제3의 평편한 시이트를 마련하는 단계; 제14항의 방법에 따라 제조된 2개층의 미공질 폴리에틸렌 막으로 구성된 제2평편한 시이트를 마련하는 단계; 미공질 폴리프로필렌 막의 제1 및 제3평편한 시이트를 벗겨내는 단계; 미공질 폴리에틸렌 막의 제2평편한 시이트를 벗겨내는 단계; 각각의 층을 겹쳐서 폴리프로필렌-폴리에틸렌-폴리프로필렌 구조물을 형성하는 단계; 구조물을 결합시켜 삼중층 격리판을 형성하는 단계; 및 격리판을 감아올리는 단계로 구성된 삼중층 작동정지 배터리 격리판을 제조하는 방법.
  18. 제17항에 있어서, 결합시키는 것이 캘린더링하거나 또는 용접 또는 점착제를 이용하는 것으로 구성된 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950051954A 1994-12-20 1995-12-19 작동정지,삼중층배터리격리판 KR100388890B1 (ko)

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KR100388890B1 (ko) 2003-09-06
EP0718901B1 (en) 1999-10-20
EP0892448A3 (en) 1999-03-10
JP3960437B2 (ja) 2007-08-15
DE69512877D1 (de) 1999-11-25
EP0718901A1 (en) 1996-06-26
DE69512877T2 (de) 2000-04-20
DE69525549D1 (de) 2002-03-28
CN1132946A (zh) 1996-10-09
EP0892448A2 (en) 1999-01-20
US5691077A (en) 1997-11-25
EP0892448B1 (en) 2002-02-20
US6057060A (en) 2000-05-02
DE69525549T2 (de) 2002-08-29
JPH08222197A (ja) 1996-08-30
US6132654A (en) 2000-10-17
TW297171B (ko) 1997-02-01
CN1088543C (zh) 2002-07-31

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