KR940701588A - 2차 전지 - Google Patents

2차 전지

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Publication number
KR940701588A
KR940701588A KR1019930702775A KR930702775A KR940701588A KR 940701588 A KR940701588 A KR 940701588A KR 1019930702775 A KR1019930702775 A KR 1019930702775A KR 930702775 A KR930702775 A KR 930702775A KR 940701588 A KR940701588 A KR 940701588A
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South Korea
Prior art keywords
secondary battery
positive electrode
negative electrode
electrolytic solution
active material
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KR1019930702775A
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English (en)
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KR970004141B1 (ko
Inventor
아끼라 요시노
유미꼬 다끼자와
아끼라 고야마
가쯔스히꼬 이노우에
마사다까 야마시따
야스후미 미나또
이사오 구리바야시
Original Assignee
유미꾸라 레이이찌
아사히가세이고오교 가부시끼가이샤
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Priority claimed from PCT/JP1992/001175 external-priority patent/WO1993006628A1/ja
Publication of KR940701588A publication Critical patent/KR940701588A/ko
Application granted granted Critical
Publication of KR970004141B1 publication Critical patent/KR970004141B1/ko

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    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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  • Battery Electrode And Active Subsutance (AREA)

Abstract

케이싱에 포함된 전해 용액 및 거기에 배열된 음극 활성 재료로서 리튬-함유 복합 금속 산화로 구성되는 양극 및 양극 활성 재료로서 탄소성 재료로 구성되는 음극을 포함하는 2차 전지가 개시되며, 여기서 상기 양극 및 음극은 그 사이에 배열된 분리체를 통해 배열되며, 상기 유기 전해 용액은 5ppm∼450ppm의 물함량을 갖는다. 2차 전지는 매우 우수한 전류 효율, 싸이클 특성, 보관 특성 및 안전도를 가지기 때문에 각종 전기 및 전자 장치에 유리하게 사용할 수 있다. 본 발명은 2차 전지는, 특히 2.6∼3.5V의 전압에서 작동되는 IC요소를 포함하는 휴대용 전자 장치를 본 발명의 단일 2차 전지를 사용함으로써 작동하는데 유리할 수 있다.

Description

2차 전지
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 실시예 1에서 제조된 본 발명의 2차 전지의 모식적인 수직 절단면이며,
제2도는 양극, 분리체 및 음극의 나선형 권선 상태를 나타내는, 제1도의 선 II - II를 따라 취한 모식적인 절단면이다.

Claims (8)

  1. 케이싱, 상기 케이싱에 5∼450ppm의 물함량을 갖는 유기 전해 용액, 음극 활성 재료로서 리튬-함유 복합 금속 산화물을 포함하는 양극, 양극 활성 재료로서 탄소성 재료를 포함하는 음극, 및 상기 양극 및 음극 사이에 배열되는 분리체를 포함하며, 상기 양극 및 음극은 상기 유기 전해 용액에 배열되는 것을 특징으로 하는 2차 전지.
  2. 제1항에 있어서, 상기 양극 및 음극중 적어도 하나는 금속 전류 콜렉터상에 형성된 코팅 조성물의 형태이고, 상기 코팅 조성물은 상기 각각의 전극 및 결합제에 대응하는 활성 재료를 포함하며, 상기 결합제는 0.5∼5.0의 결합제 분포 계수로 상기 코팅 조성물에 분포되는 것을 특징으로 하는 2차 전지.
  3. 제2항에 있어서, 상기 금속성 전류 콜렉터는 0.1-0.9㎛의 표면 거칠기를 갖는 금속 포일로 형성되는 것을 특징으로 하는 2차 전지.
  4. 제2항에 있어서, 상기 결합제는 40∼95중량%의 부타디엔 함량 및 75∼100%의 겔 함량을 갖는 스티렌-부타디엔 라텍스를 포함하는 것을 특징으로 하는 2차 전지.
  5. 제1항에 있어서, 상기 유기 전해 용액은 적어도 하나의 유기 용매 및 거기에 용해된 전해질을 포함하며, 상기 적어도 하나의 유기 용매는 에테르, 케톤, 락톤, 니트릴, 아민, 아미드, 황화합물, 염소화 탄화수소, 에스테르, 탄산염, 니트로 화합물, 인산 에스테르 및 술폴란 화합물로 구성되는 군에서 선택되는 것을 특징으로 하는 2차 전지.
  6. 제1하에 있어서, 상기 양극 및 음극은 구조에 나선형으로 권선되어, 상기 양극 및 음극이 그 사이의 분리체와 서로 반대로 배열되며, 여기서 상기 나선형 권선 구조 각각의 최심부 권선 전극층 및 최외부 권선 전극층은 상기 음극층을 포함하는 것을 특징으로 하는 2차 전지.
  7. 제1항에 있어서, 80∼140℃의 온도에서 조작되고 -10∼130의 감수 온도 계수를 갖는 안전 장치로서 PTC 요소를 추가로 포함하는 것을 특징으로 하는 2차 전지.
  8. 케이싱, 상기 케이싱에 포함된 5∼450ppm의 물함량을 갖는 유기 전해 용액, 음극 활성 재료로서 리튬-함유 복합 금속 산화물을 포함하는 양극, 양극 활성 재료로서 탄소성 재료를 포함하는 음극, 및 상기 양극 및 음극 사이에 배열된 분리체를 포함하는 단일의 2차 전지를 제공하며, 상기 양극 및 음극은 상기 유기 전해 용액에 배치되고, 상기 단일2차 전지를 2.6∼3.5V에서 작동하는 IC요소를 포함하는 휴대용 전자 장치에 전기적으로 접속되는 것을 포함하는 것을 특징으로 하는 휴대용 전자 장치의 작동 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930702775A 1991-09-13 1992-09-14 2차 전지 KR970004141B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP91-261293 1991-09-13
JP26129391 1991-09-13
PCT/JP1992/001175 WO1993006628A1 (fr) 1991-09-13 1992-09-14 Accumulateur

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KR940701588A true KR940701588A (ko) 1994-05-28
KR970004141B1 KR970004141B1 (ko) 1997-03-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100544106B1 (ko) * 1998-12-29 2006-03-23 삼성에스디아이 주식회사 이차전지의 캔

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1144306C (zh) * 1998-06-09 2004-03-31 松下电器产业株式会社 二次电池用负极、二次电池用负极板及其二次电池
EP1798788B1 (en) 2004-07-02 2015-03-18 Toyota Jidosha Kabushiki Kaisha Nickel-metal hydride storage battery
KR100856286B1 (ko) * 2005-12-19 2008-09-03 주식회사 엘지화학 난연성 비수 전해액 및 이를 포함하는 이차전지
KR102020706B1 (ko) * 2017-01-20 2019-09-11 주식회사 엘지화학 이차전지 분리막 내 수분함량 측정방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100544106B1 (ko) * 1998-12-29 2006-03-23 삼성에스디아이 주식회사 이차전지의 캔

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