KR900007128A - 전류차단 밸브를 갖는 전지 - Google Patents

전류차단 밸브를 갖는 전지 Download PDF

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Publication number
KR900007128A
KR900007128A KR1019890014971A KR890014971A KR900007128A KR 900007128 A KR900007128 A KR 900007128A KR 1019890014971 A KR1019890014971 A KR 1019890014971A KR 890014971 A KR890014971 A KR 890014971A KR 900007128 A KR900007128 A KR 900007128A
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KR
South Korea
Prior art keywords
lead
battery
safety valve
active material
valve
Prior art date
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Application number
KR1019890014971A
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English (en)
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KR0140531B1 (ko
Inventor
시게루 오이시
다까오 아베
도루 나가우라
모찌유끼 와따나베
Original Assignee
오오가 노리오
소니 가부시끼 가이샤
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Priority claimed from JP63265783A external-priority patent/JP2701375B2/ja
Priority claimed from JP1106584A external-priority patent/JP2748539B2/ja
Application filed by 오오가 노리오, 소니 가부시끼 가이샤 filed Critical 오오가 노리오
Publication of KR900007128A publication Critical patent/KR900007128A/ko
Application granted granted Critical
Publication of KR0140531B1 publication Critical patent/KR0140531B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/578—Devices or arrangements for the interruption of current in response to pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/20—Pressure-sensitive devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

내용 없음

Description

전류차단 밸브를 갖는 전지
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5 및 7도는 본 발명의 전지의 구조도.
제6도는 본 발명의 전지의 과충전 테스트에서의 특성도.

Claims (3)

  1. 정극 및 부극이 세퍼레이터를 적층된 발전요소를 케이스에 봉입하고 있으며, 상기 정극 또는 부극에 접속된 리드가 상기 케이스의 한끝을 봉지하고 전지내압의 상승에 따라서 변형하는 방폭 밸브에 접속되는 전지에 있어서 상기 리드는 리드의 차단용 스트립퍼를 거쳐서 상기 방폭 밸브에 접속되고 있으며, 전지가 소정의 내압에 도달했을 때 리드가 방폭밸브로부터 분단되듯이 구성한 것을 특징으로 하는 전류 차단장치를 가지는 전지.
  2. 전지 내압의 상승에 따라서 변형하는 안전밸브와 상기 안전밸브의 변형에 따라서 리드의 상기 안전밸브로부터의 박리 및/또는 파단을 행하는 리드스트립퍼를 거쳐서 상기 안전밸브에 접속된 리드를 각각 구비하며, 상기 전지내압이 소정의 값에 도달했을때 상기 안전밸브의 변형으로 리드스트립퍼가 상기 리드의 상기 안전밸브에서의 박리 및/또는 파단을 행하고 전류를 차단 하도록 구성한 전류차단밸브를 가지는 전지에 있어서, 상기 안전밸브에 감합으로 부착된 중간감합체를 또한 구비하고, 이 중간 감합체에 상기 리드스트립퍼가 다시 감합으로 부착되고 있음을 특징으로하는 전류차단밸브를 갖는 전지.
  3. 정극물질로서의 리튬 화합물을 사용한 정극과, 리튬을 도프하며 또한 탈도프할 수 있는 무극과, 비수 전해질과 전지내압의 상승에 따라서 작동하는 전류차단 수단을 각각 갖춘 비수전해질 2차전지에 있어서, 상기 정극활성물질이 제1의 활성물질과 제 2 의 활성물질로서 주로 구성되며, 상기 제 1 의 활성물질이 LixNiyCo1-yO2(단, o＜x1 및 oy＜0.50)로 되며, 상기 제2의 활성물질이 Li′Niy′CO1-y′02(단, o＜x′1 및 0.50y′0.90)로 이루어지는 것을 특징으로하는 비수전해질 2차전지.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890014971A 1988-10-21 1989-10-18 전류차단 밸브를 가진 전지 Expired - Lifetime KR0140531B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP63-265783 1988-10-21
JP63265783A JP2701375B2 (ja) 1988-10-21 1988-10-21 防爆型密閉電池
JP10519789 1989-04-25
JP105197 1989-04-25
JP1106584A JP2748539B2 (ja) 1989-04-26 1989-04-26 電池の安全装置
JP106584 1989-04-26

Publications (2)

Publication Number Publication Date
KR900007128A true KR900007128A (ko) 1990-05-09
KR0140531B1 KR0140531B1 (ko) 1998-07-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890014971A Expired - Lifetime KR0140531B1 (ko) 1988-10-21 1989-10-18 전류차단 밸브를 가진 전지

Country Status (5)

Country Link
US (1) US4943497A (ko)
EP (1) EP0364995B1 (ko)
KR (1) KR0140531B1 (ko)
CA (1) CA2000873C (ko)
DE (1) DE68928671T2 (ko)

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DE68928671D1 (de) 1998-06-18
EP0364995B1 (en) 1998-05-13
CA2000873A1 (en) 1990-10-25
CA2000873C (en) 1999-12-14
KR0140531B1 (ko) 1998-07-01
EP0364995A3 (en) 1992-06-03
US4943497A (en) 1990-07-24
EP0364995A2 (en) 1990-04-25
DE68928671T2 (de) 1998-12-24

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