CA2000873A1 - Cellule a dispositif de coupure automatique de courant - Google Patents

Cellule a dispositif de coupure automatique de courant

Info

Publication number
CA2000873A1
CA2000873A1 CA2000873A CA2000873A CA2000873A1 CA 2000873 A1 CA2000873 A1 CA 2000873A1 CA 2000873 A CA2000873 A CA 2000873A CA 2000873 A CA2000873 A CA 2000873A CA 2000873 A1 CA2000873 A1 CA 2000873A1
Authority
CA
Canada
Prior art keywords
cell
valve
inner pressure
cutoff valve
cathode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2000873A
Other languages
English (en)
Other versions
CA2000873C (fr
Inventor
Shigeru Oishi
Toru Nagaura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP63265783A external-priority patent/JP2701375B2/ja
Priority claimed from JP1106584A external-priority patent/JP2748539B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of CA2000873A1 publication Critical patent/CA2000873A1/fr
Application granted granted Critical
Publication of CA2000873C publication Critical patent/CA2000873C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
CA002000873A 1988-10-21 1989-10-17 Cellule a dispositif de coupure automatique de courant Expired - Lifetime CA2000873C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP63265783A JP2701375B2 (ja) 1988-10-21 1988-10-21 防爆型密閉電池
JPP105197/89 1989-04-25
JP10519789 1989-04-25
JP1106584A JP2748539B2 (ja) 1989-04-26 1989-04-26 電池の安全装置

Publications (2)

Publication Number Publication Date
CA2000873A1 true CA2000873A1 (fr) 1990-10-25
CA2000873C CA2000873C (fr) 1999-12-14

Family

ID=27310421

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002000873A Expired - Lifetime CA2000873C (fr) 1988-10-21 1989-10-17 Cellule a dispositif de coupure automatique de courant

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6177799B1 (en) 2000-01-21 2001-01-23 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Natural Resources Rechargeable battery electrode testing device

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5264201A (en) * 1990-07-23 1993-11-23 Her Majesty The Queen In Right Of The Province Of British Columbia Lithiated nickel dioxide and secondary cells prepared therefrom
US5427875A (en) * 1991-04-26 1995-06-27 Sony Corporation Non-aqueous electrolyte secondary cell
US5188909A (en) * 1991-09-12 1993-02-23 Eveready Battery Co., Inc. Electrochemical cell with circuit disconnect device
CA2106066C (fr) † 1991-09-13 1997-08-12 Akira Yoshino Batterie secondaire
US5484669A (en) * 1991-12-27 1996-01-16 Matsushita Electric Industrial Co., Ltd. Nonaqueous electrolyte secondary batteries
JP3203623B2 (ja) * 1992-03-06 2001-08-27 ソニー株式会社 有機電解液電池
JP3387118B2 (ja) * 1992-06-12 2003-03-17 ソニー株式会社 密閉型電池
US5372897A (en) * 1992-07-24 1994-12-13 Toshiba Battery Co., Ltd. Rectangular nickel-metal hydride secondary cell
JPH0660887A (ja) * 1992-08-06 1994-03-04 Sanyo Electric Co Ltd 非水系電池
US5352547A (en) * 1992-08-27 1994-10-04 Hitachi Maxell, Ltd. Organic electrolytic solution and organic electrolytic solution cell
US5358539A (en) * 1992-10-29 1994-10-25 Valence Technology, Inc. Method for making a battery assembly
US5523178A (en) * 1992-12-14 1996-06-04 Nippondenso Co., Ltd. Chemical cell
RU2107360C1 (ru) * 1993-03-04 1998-03-20 Асахи Касеи Когио Кабусики Кайся Аккумуляторная батарея
CA2093763C (fr) * 1993-04-08 1999-12-07 David Wainwright Batterie d'accumulateur munie d'une commande hydraulique d'un sectionneur de securite en cas de surcharge
EP0674351B1 (fr) * 1994-03-03 2002-08-14 Japan Storage Battery Company Limited Dispositif de sécurité pour batterie
US5567539A (en) * 1994-05-23 1996-10-22 Fuji Photo Film Co., Ltd. Non-aqueous secondary cell
US6120928A (en) 1994-07-07 2000-09-19 Alps Electric Co., Ltd. Protection device and battery cell using this protection device
NL9500589A (nl) * 1995-03-28 1996-11-01 Tieman Bv F J Braillecel met een actuator die een mechanisch werkzame, intrinsiek geleidende polymeer bevat.
JP3555240B2 (ja) * 1995-05-12 2004-08-18 ソニー株式会社 密閉型電池
US5741606A (en) * 1995-07-31 1998-04-21 Polystor Corporation Overcharge protection battery vent
JP3306257B2 (ja) * 1995-08-11 2002-07-24 アルプス電気株式会社 ２次電池の安全装置
CA2156800C (fr) * 1995-08-23 2003-04-29 Huanyu Mao Additifs aromatiques polymerisables pour proteger les batteries rechargeables non aqueuses au lithium contre les surcharges
US5750288A (en) * 1995-10-03 1998-05-12 Rayovac Corporation Modified lithium nickel oxide compounds for electrochemical cathodes and cells
CA2163187C (fr) * 1995-11-17 2003-04-15 Huanyu Mao Monomeres aromatiques gazeux protegeant les piles au lithium non aqueuses contre les surcharges
US5609972A (en) * 1996-03-04 1997-03-11 Polystor Corporation Cell cap assembly having frangible tab disconnect mechanism
US5691073A (en) * 1996-04-10 1997-11-25 Duracell Inc. Current interrupter for electrochemical cells
US5750277A (en) * 1996-04-10 1998-05-12 Texas Instruments Incorporated Current interrupter for electrochemical cells
US5853912A (en) * 1996-07-10 1998-12-29 Saft America, Inc. Lithium ion electrochemical cell with safety valve electrical disconnect
US5958617A (en) * 1996-12-11 1999-09-28 Matsushita Electric Industrial Co., Ltd. Thin type battery
KR100471975B1 (ko) * 1997-09-26 2005-05-17 삼성에스디아이 주식회사 리튬전지용양극활물질및이를사용하여제조한전지
JPH11144705A (ja) 1997-11-11 1999-05-28 Matsushita Electric Ind Co Ltd 防爆型非水電解液二次電池及びその破断圧力設定方法
JPH11154504A (ja) 1997-11-20 1999-06-08 Alps Electric Co Ltd 圧力遮断センサ
JPH11154505A (ja) 1997-11-20 1999-06-08 Alps Electric Co Ltd 圧力遮断センサ
EP0977290A4 (fr) * 1997-12-18 2006-10-04 Matsushita Electric Industrial Co Ltd Dispositif d'obturation des ouvertures d'une batterie fermee
US6210824B1 (en) 1998-01-15 2001-04-03 Texas Instruments Incorporated Current interrupt apparatus for electrochemical cells
JPH11307080A (ja) 1998-04-23 1999-11-05 Alps Electric Co Ltd 電池の電路遮断部品
JP2000003702A (ja) 1998-06-15 2000-01-07 Alps Electric Co Ltd 電池の電路遮断機構
US6045950A (en) * 1998-06-26 2000-04-04 Duracell Inc. Solvent for electrolytic solutions
DE19837909C2 (de) * 1998-08-20 2001-05-17 Implex Hear Tech Ag Schutzvorrichtung für eine mehrfach nachladbare elektrochemische Batterie
DE19837912C1 (de) * 1998-08-20 1999-10-28 Implex Hear Tech Ag Energieversorgungsmodul für eine implantierbare Vorrichtung
JP2000077058A (ja) * 1998-08-31 2000-03-14 Alps Electric Co Ltd 電池の電路遮断機構
JP2000090911A (ja) 1998-09-10 2000-03-31 Alps Electric Co Ltd 電池の電路遮断機構
JP2000113873A (ja) * 1998-10-01 2000-04-21 Alps Electric Co Ltd 電池の電路遮断機構
FR2788886B1 (fr) * 1999-01-21 2001-03-30 Cit Alcatel Electrode au nickel non frittee pour generateur electrochimique secondaire a electrolyte alcalin
JP3693844B2 (ja) 1999-03-01 2005-09-14 アルプス電気株式会社 電池の感圧電路遮断機構
CN1159780C (zh) * 1999-06-01 2004-07-28 Nec东金株式会社 非水电解液二次电池及其制备方法
DE19936063B4 (de) 1999-07-30 2004-03-04 Cochlear Ltd., Lane Cove Elektrochemische Sekundärzelle
KR100342052B1 (ko) 1999-10-27 2002-06-27 김순택 밀폐전지
KR20010045030A (ko) 1999-11-02 2001-06-05 김순택 밀폐전지
TWI224881B (en) * 2000-01-14 2004-12-01 Sony Corp Nonaqueous electrolyte solution secondary battery
JP2001216954A (ja) 2000-01-31 2001-08-10 Alps Electric Co Ltd 感圧電流遮断機構を有する電池
JP4695748B2 (ja) * 2000-10-12 2011-06-08 パナソニック株式会社 非水系電池用電解液および非水系二次電池
WO2002035618A1 (fr) 2000-10-20 2002-05-02 Rayovac Corporation Procede et appareil de regulation de charge de piles electrochimiques
EP1295851A4 (fr) * 2000-11-16 2008-08-20 Hitachi Maxell Oxyde composite a teneur en lithium et cellule secondaire non aqueuse utilisant cet oxyde, et procede de fabrication associe
WO2002054524A1 (fr) * 2000-12-28 2002-07-11 Matsushita Electric Industrial Co., Ltd. Accumulateur electrolytique non aqueux
US20040145344A1 (en) * 2001-10-19 2004-07-29 Bushong William C. Method and apparatus for regulating charging of electrochemical cells
CA2381376C (fr) * 2002-04-10 2008-12-02 E-One Moli Energy (Canada) Limited Adaptateur pour batteries au lithium rechargeables
DE10340500A1 (de) * 2002-09-16 2004-03-25 H.C. Starck Gmbh Überladeschutz nichtwässriger wieder aufladbarer Lithium-Batterien durch cyano-substituierte Thiophene als Elektrolytadditive
KR100471973B1 (ko) * 2003-04-03 2005-03-10 삼성에스디아이 주식회사 비수성 전해질 및 이를 포함하는 리튬 이차 전지
DE10328862B4 (de) * 2003-06-26 2006-11-16 Dilo Trading Ag Lithiumbatterie mit Überladeschutz
TW200525854A (en) * 2003-08-15 2005-08-01 Rovcal Inc Method and apparatus for charging electrochemical cells
CN102637844A (zh) * 2003-10-14 2012-08-15 布莱克和戴克公司 电池组
JP4428653B2 (ja) * 2003-10-31 2010-03-10 三星エスディアイ株式会社 リチウム二次電池用電解液及びこれを含むリチウム二次電池
JP4953551B2 (ja) * 2003-10-31 2012-06-13 三洋電機株式会社 密閉型電池
JP2006222072A (ja) * 2005-01-14 2006-08-24 Matsushita Electric Ind Co Ltd 非水電解質二次電池
JP4961113B2 (ja) * 2005-04-22 2012-06-27 パナソニック株式会社 二次電池
KR100878701B1 (ko) * 2006-03-13 2009-01-14 주식회사 엘지화학 고율 충방전 원통형 이차전지
US8003241B2 (en) * 2006-06-23 2011-08-23 Boston-Power, Inc. Lithium battery with external positive thermal coefficient layer
JP2009543293A (ja) * 2006-06-27 2009-12-03 ボストン−パワー，インコーポレイテッド リチウムイオンセル用一体型電流遮断デバイス
JP5415413B2 (ja) 2007-06-22 2014-02-12 ボストン−パワー，インコーポレイテッド Ｌｉイオン電池用ｃｉｄ保持器
KR100978092B1 (ko) * 2008-05-30 2010-08-25 삼성에스디아이 주식회사 캡 조립체 및 이를 구비하는 이차 전지
US8642195B2 (en) * 2008-12-19 2014-02-04 Boston-Power, Inc. Modular CID assembly for a lithium ion battery
KR100989840B1 (ko) * 2008-12-23 2010-10-29 삼성에스디아이 주식회사 캡 조립체 및 이를 구비한 이차 전지
KR101056425B1 (ko) * 2008-12-24 2011-08-11 에스비리모티브 주식회사 이차 전지
KR101093339B1 (ko) * 2009-10-29 2011-12-14 삼성에스디아이 주식회사 고출력 이차전지
CN103155211B (zh) * 2010-06-11 2016-08-24 凌沛铮 带有过压保护装置的电池
DE102011018866A1 (de) * 2010-12-17 2012-06-21 Ads-Tec Gmbh Akkublock mit einer Trennvorrichtung
US9991566B2 (en) 2011-11-03 2018-06-05 Johnson Controls Technology Company Cathode active material for overcharge protection in secondary lithium batteries
JP6030880B2 (ja) * 2012-01-27 2016-11-24 三洋電機株式会社 角形二次電池
KR20150002608A (ko) * 2012-03-29 2015-01-07 스미또모 세이까 가부시키가이샤 전기 화학 디바이스용 전해액, 알루미늄 전해 콘덴서 및 전기 이중층 콘덴서
KR102234381B1 (ko) * 2014-01-07 2021-03-31 삼성에스디아이 주식회사 내열부재를 갖는 이차 전지
CN107112473B (zh) 2014-10-17 2021-02-26 金山电池国际有限公司 电池
US10128486B2 (en) 2015-03-13 2018-11-13 Purdue Research Foundation Current interrupt devices, methods thereof, and battery assemblies manufactured therewith
KR102010038B1 (ko) * 2015-07-15 2019-10-21 주식회사 엘지화학 이차전지용 캡 조립체
US10446817B2 (en) 2015-10-02 2019-10-15 Arconic Inc. Energy storage device and related methods
KR102601641B1 (ko) * 2016-01-20 2023-11-13 삼성에스디아이 주식회사 이차 전지용 캡 조립체 및 이를 포함하는 이차 전지
CN108886122A (zh) 2016-03-25 2018-11-23 三洋电机株式会社 圆筒形电池
WO2018042777A1 (fr) * 2016-08-30 2018-03-08 株式会社村田製作所 Batterie, dispositif de stockage d'énergie, et voiture électrique
CN107170918A (zh) * 2016-10-18 2017-09-15 深圳市比克动力电池有限公司 一种锂离子动力电池防爆盖帽及其制造方法
CN110073518B (zh) * 2016-12-16 2022-02-08 株式会社村田制作所 二次电池、电池组、电动车辆、蓄电系统、电动工具以及电子设备
EP4177993A3 (fr) * 2017-05-01 2023-06-07 American Lithium Energy Corporation Interrupteur de courant à dilatation thermique négative
CN112424990B (zh) 2018-07-13 2023-05-16 魁北克水电公司 电池安全通气组件
JP7435610B2 (ja) * 2019-08-14 2024-02-21 株式会社村田製作所 二次電池、電池パック、電子機器、電動工具及び電動車両
JP7607214B2 (ja) * 2020-01-31 2024-12-27 パナソニックＩｐマネジメント株式会社 蓄電装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL189138C (nl) * 1953-08-27 Inst Francais Du Petrole Stikstofbevattende samenstellingen met reinigende eigenschappen, hun toepassing als toevoegsels en brandstofsamenstellingen die hen bevatten.
US3556863A (en) * 1968-08-07 1971-01-19 Marathon Mfg Co Normally sealed encased rechargeable cells with self-resealing excess pressure gas vent
US3622397A (en) * 1968-08-07 1971-11-23 Sonotone Corp Fast rechargeable sealed nickel-cadmium battery cells combined with excess pressure and temperature controls
US3617386A (en) * 1970-04-30 1971-11-02 Esb Inc Sealed cell construction
US3939011A (en) * 1973-01-05 1976-02-17 P. R. Mallory & Co. Inc. Lithium cell with internal automatic safety controls
US4035552A (en) * 1976-07-23 1977-07-12 Gte Laboratories Incorporated Electrochemical cell
US4567031A (en) * 1983-12-27 1986-01-28 Combustion Engineering, Inc. Process for preparing mixed metal oxides
US4770960A (en) * 1986-04-30 1988-09-13 Sony Corporation Organic electrolyte cell
US4788112A (en) * 1987-08-17 1988-11-29 Kung Chin Chung Rechargeable storage battery
GB2215119A (en) * 1988-02-04 1989-09-13 Ever Ready Ltd Cell
US4855195A (en) * 1988-07-11 1989-08-08 Eveready Battery Company, Inc. Electrochemical cell with internal circuit interrupter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6177799B1 (en) 2000-01-21 2001-01-23 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Natural Resources Rechargeable battery electrode testing device

Also Published As

Publication number Publication date
DE68928671T2 (de) 1998-12-24
KR0140531B1 (ko) 1998-07-01
CA2000873C (fr) 1999-12-14
EP0364995A3 (fr) 1992-06-03
EP0364995B1 (fr) 1998-05-13
EP0364995A2 (fr) 1990-04-25
KR900007128A (ko) 1990-05-09
DE68928671D1 (de) 1998-06-18
US4943497A (en) 1990-07-24

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Effective date: 20091017