JP7241571B2 - 封口体 - Google Patents

封口体 Download PDF

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Publication number
JP7241571B2
JP7241571B2 JP2019041349A JP2019041349A JP7241571B2 JP 7241571 B2 JP7241571 B2 JP 7241571B2 JP 2019041349 A JP2019041349 A JP 2019041349A JP 2019041349 A JP2019041349 A JP 2019041349A JP 7241571 B2 JP7241571 B2 JP 7241571B2
Authority
JP
Japan
Prior art keywords
cap
ptc
protective element
layered
sealing body
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.)
Active
Application number
JP2019041349A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020145088A (ja
Inventor
陽平 水上
俊和 山岡
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.)
Littelfuse Inc
Original Assignee
Littelfuse 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 Littelfuse Inc filed Critical Littelfuse Inc
Priority to JP2019041349A priority Critical patent/JP7241571B2/ja
Priority to KR1020200027590A priority patent/KR20200107839A/ko
Priority to CN202010157727.6A priority patent/CN111740045B/zh
Publication of JP2020145088A publication Critical patent/JP2020145088A/ja
Application granted granted Critical
Publication of JP7241571B2 publication Critical patent/JP7241571B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/147Lids or covers
    • H01M50/148Lids or covers characterised by their shape
    • H01M50/152Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/147Lids or covers
    • H01M50/155Lids or covers characterised by the material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/147Lids or covers
    • H01M50/166Lids or covers characterised by the methods of assembling casings with lids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/172Arrangements of electric connectors penetrating the casing
    • H01M50/174Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/179Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • H01M50/342Non-re-sealable arrangements
    • H01M50/3425Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00Safety devices for primary or secondary batteries
    • H01M2200/10Temperature sensitive devices
    • H01M2200/103Fuse
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00Safety devices for primary or secondary batteries
    • H01M2200/10Temperature sensitive devices
    • H01M2200/106PTC
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Connection Of Batteries Or Terminals (AREA)
JP2019041349A 2019-03-07 2019-03-07 封口体 Active JP7241571B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019041349A JP7241571B2 (ja) 2019-03-07 2019-03-07 封口体
KR1020200027590A KR20200107839A (ko) 2019-03-07 2020-03-05 봉구체
CN202010157727.6A CN111740045B (zh) 2019-03-07 2020-03-09 封口体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019041349A JP7241571B2 (ja) 2019-03-07 2019-03-07 封口体

Publications (2)

Publication Number Publication Date
JP2020145088A JP2020145088A (ja) 2020-09-10
JP7241571B2 true JP7241571B2 (ja) 2023-03-17

Family

ID=72354421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019041349A Active JP7241571B2 (ja) 2019-03-07 2019-03-07 封口体

Country Status (3)

Country Link
JP (1) JP7241571B2 (zh)
KR (1) KR20200107839A (zh)
CN (1) CN111740045B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113178651B (zh) * 2021-06-07 2021-08-24 蜂巢能源科技有限公司 电池极柱密封安装结构及其安装方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001160382A (ja) 1999-12-02 2001-06-12 Sanyo Electric Co Ltd 電池の封口体
WO2012118153A1 (ja) 2011-03-03 2012-09-07 タイコエレクトロニクスジャパン合同会社 保護素子

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08293293A (ja) * 1995-04-20 1996-11-05 Mitsubishi Cable Ind Ltd 密閉電池の安全装置
JP3732945B2 (ja) 1998-03-31 2006-01-11 三洋電機株式会社 密閉型電池
JP4854208B2 (ja) * 2005-03-09 2012-01-18 三洋電機株式会社 密閉型電池およびその製造方法
JP5116235B2 (ja) * 2006-01-23 2013-01-09 三洋電機株式会社 密閉型電池
JP2008016190A (ja) * 2006-06-30 2008-01-24 Sanyo Electric Co Ltd パック電池
CN201336324Y (zh) * 2008-11-10 2009-10-28 中银(宁波)电池有限公司 一种柱式锂电池用封口体
JP2012209177A (ja) * 2011-03-30 2012-10-25 Panasonic Corp 電池
CN105027318A (zh) * 2013-02-20 2015-11-04 泰科电子日本合同会社 封口体
TW201703064A (zh) * 2015-04-24 2017-01-16 Littelfuse Japan G K 保護元件
KR102486134B1 (ko) * 2017-05-22 2023-01-10 주식회사 엘지에너지솔루션 고효율성 밀봉을 위한 개스킷 와셔를 포함하는 원통형 전지

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001160382A (ja) 1999-12-02 2001-06-12 Sanyo Electric Co Ltd 電池の封口体
WO2012118153A1 (ja) 2011-03-03 2012-09-07 タイコエレクトロニクスジャパン合同会社 保護素子

Also Published As

Publication number Publication date
CN111740045A (zh) 2020-10-02
JP2020145088A (ja) 2020-09-10
CN111740045B (zh) 2024-02-13
KR20200107839A (ko) 2020-09-16

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