TW429640B - Electrochemical cell safety vent - Google Patents

Electrochemical cell safety vent

Info

Publication number
TW429640B
TW429640B TW088113735A TW88113735A TW429640B TW 429640 B TW429640 B TW 429640B TW 088113735 A TW088113735 A TW 088113735A TW 88113735 A TW88113735 A TW 88113735A TW 429640 B TW429640 B TW 429640B
Authority
TW
Taiwan
Prior art keywords
vent
cells
cover plate
pressures
increased
Prior art date
Application number
TW088113735A
Other languages
English (en)
Inventor
Paul E Pate
Original Assignee
Moltech Power Sys Inc
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
Application filed by Moltech Power Sys Inc filed Critical Moltech Power Sys Inc
Application granted granted Critical
Publication of TW429640B publication Critical patent/TW429640B/zh

Links

Classifications

    • 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
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/317—Re-sealable arrangements
    • H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/08—Housing; Encapsulation
    • H01G9/12—Vents or other means allowing expansion
    • 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
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/342—Non-re-sealable arrangements
    • 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
    • H01M10/34—Gastight accumulators
    • H01M10/345—Gastight metal hydride accumulators
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4228—Leak testing of cells or batteries
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte
    • H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
    • H01M6/08—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with cup-shaped electrodes
    • 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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Secondary Cells (AREA)
TW088113735A 1998-08-14 1999-08-11 Electrochemical cell safety vent TW429640B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/134,506 US6080505A (en) 1998-08-14 1998-08-14 Electrochemical cell safety vent

Publications (1)

Publication Number Publication Date
TW429640B true TW429640B (en) 2001-04-11

Family

ID=22463702

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088113735A TW429640B (en) 1998-08-14 1999-08-11 Electrochemical cell safety vent

Country Status (7)

Country Link
US (1) US6080505A (zh)
EP (1) EP1114476A1 (zh)
JP (1) JP2002522892A (zh)
CN (1) CN1316106A (zh)
AU (1) AU6238899A (zh)
TW (1) TW429640B (zh)
WO (1) WO2000010210A1 (zh)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6632558B1 (en) * 1998-08-21 2003-10-14 Eveready Battery Company, Inc. Battery construction having pressure release mechanism
US6265101B1 (en) 1998-08-21 2001-07-24 Eveready Battery Company, Inc. Battery constructions having increased internal volume for active components
USRE38518E1 (en) 1998-08-21 2004-05-18 Eveready Battery Company, Inc. Battery constructions having increased internal volume for active components
US6468692B1 (en) * 1999-06-08 2002-10-22 Ngk Insulators, Ltd. Lithium secondary battery with sealed casing members
US20030232236A1 (en) * 2002-06-14 2003-12-18 Mitchell Porter H. Battery package vent
KR100578805B1 (ko) * 2004-03-24 2006-05-11 삼성에스디아이 주식회사 캡 조립체와 이를 구비한 이차 전지
KR100578804B1 (ko) * 2004-03-29 2006-05-11 삼성에스디아이 주식회사 캡 조립체 및 이를 구비한 이차 전지
KR100591421B1 (ko) * 2004-09-07 2006-06-21 삼성에스디아이 주식회사 형상기억 안전벤트를 갖는 리튬 이온 이차 전지
CN100541862C (zh) * 2005-03-18 2009-09-16 丰田自动车株式会社 密闭型电池
DE102007063191A1 (de) * 2007-12-20 2009-06-25 Daimler Ag Batterie, insbesondere zu einer Anwendung in einem Fahrzeug
PL225943B1 (pl) * 2014-09-05 2017-06-30 Krawczyk Zenon P P H U Zenex Kondensator mocy z urzadzeniem zabezpieczajacym
CN104993079B (zh) * 2015-05-29 2020-09-29 周虎 一种带二次密封阀的圆柱形锂离子电池
KR101954043B1 (ko) * 2015-10-05 2019-03-04 닛산 지도우샤 가부시키가이샤 배터리 팩의 압력 개방 기구
KR102245619B1 (ko) * 2016-08-31 2021-04-27 삼성에스디아이 주식회사 배터리 팩
KR20180092444A (ko) * 2017-02-09 2018-08-20 주식회사 엘지화학 원통형 리튬 이차전지
KR102324549B1 (ko) * 2017-08-29 2021-11-10 주식회사 엘지에너지솔루션 벤팅 유도 장치를 포함하는 파우치형 이차전지
CN111149235B (zh) * 2017-09-29 2022-11-04 三洋电机株式会社 电源装置
CN108063291B (zh) * 2017-12-19 2019-10-11 北京长城华冠汽车技术开发有限公司 动力电池安全阀选型判断方法及判断系统
FR3095898B1 (fr) * 2019-05-06 2021-04-16 Commissariat Energie Atomique Procédé et système de caractérisation mécanique du godet d'une batterie
CN112109566B (zh) * 2020-09-29 2022-10-28 欣旺达电动汽车电池有限公司 排气通道结构、电池包模组及车辆
CN113505481B (zh) * 2021-07-08 2023-08-01 东软睿驰汽车技术（沈阳）有限公司 壳体密封失效压力的确定方法、装置和电子设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271241A (en) * 1980-02-05 1981-06-02 General Electric Company Resealable vent valve for containers such as batteries
US4298662A (en) * 1980-07-31 1981-11-03 General Electric Company Resealable vent valve for containers such as batteries
US5171647A (en) * 1990-12-10 1992-12-15 Ovonic Battery Company, Inc. Hydrogen containment cover assembly for sealing the cell can of a rechargeable electrochemical hydrogen storage cell
US5258242A (en) * 1993-02-08 1993-11-02 Ovonic Battery Company, Inc. Electrochemical cell having improved pressure vent

Also Published As

Publication number Publication date
WO2000010210A1 (en) 2000-02-24
EP1114476A1 (en) 2001-07-11
US6080505A (en) 2000-06-27
CN1316106A (zh) 2001-10-03
AU6238899A (en) 2000-03-06
JP2002522892A (ja) 2002-07-23

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