CN113826275A - 电池封装结构 - Google Patents

电池封装结构 Download PDF

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Publication number
CN113826275A
CN113826275A CN202080036188.9A CN202080036188A CN113826275A CN 113826275 A CN113826275 A CN 113826275A CN 202080036188 A CN202080036188 A CN 202080036188A CN 113826275 A CN113826275 A CN 113826275A
Authority
CN
China
Prior art keywords
sealing region
battery
groove
tab
packaging structure
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.)
Pending
Application number
CN202080036188.9A
Other languages
English (en)
Inventor
郜洪泽
夏恒涛
李静
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.)
Ningde Amperex Technology Ltd
Original Assignee
Ningde Amperex Technology Ltd
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 Ningde Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Publication of CN113826275A publication Critical patent/CN113826275A/zh
Pending legal-status Critical Current

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    • 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
    • H01M50/10Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/172Arrangements of electric connectors penetrating the casing
    • H01M50/174Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/178Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
    • 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 of a single cell or a single battery
    • H01M50/183Sealing members
    • H01M50/184Sealing members characterised by their shape or structure
    • 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 of a single cell or a single battery
    • H01M50/183Sealing members
    • H01M50/186Sealing members characterised by the disposition of the sealing members
    • 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

Abstract

一种电池封装结构,包括电芯和壳体。所述电芯包括电芯主体和连接所述电芯主体的极耳;所述壳体包括容置所述电芯主体的容置部和连接所述容置部以密封所述电芯主体的封边,所述极耳从所述封边延伸至所述壳体外;所述封边包括封印部,其中,所述封印部朝向所述容置部的一侧朝背离所述容置部的方向凹陷形成第一凹槽,有利于提高电池封装结构的安全性。

Description

PCT国内申请,说明书已公开。

Claims (12)

  1. PCT国内申请,权利要求书已公开。
CN202080036188.9A 2020-03-31 2020-03-31 电池封装结构 Pending CN113826275A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/082315 WO2021195927A1 (zh) 2020-03-31 2020-03-31 电池封装结构

Publications (1)

Publication Number Publication Date
CN113826275A true CN113826275A (zh) 2021-12-21

Family

ID=77929780

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080036188.9A Pending CN113826275A (zh) 2020-03-31 2020-03-31 电池封装结构

Country Status (2)

Country Link
CN (1) CN113826275A (zh)
WO (1) WO2021195927A1 (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202134580U (zh) * 2011-04-14 2012-02-01 东莞新能源科技有限公司 一种锂离子电池及其包装箔
US20130122335A1 (en) * 2011-11-14 2013-05-16 Sk Innovation Co., Ltd. Battery cell and battery module including the same
CN205900670U (zh) * 2016-08-08 2017-01-18 上海贯裕能源科技有限公司 软包电池安全排气封装装置
US20170170437A1 (en) * 2014-02-14 2017-06-15 Lg Chem, Ltd. Pouch-type secondary battery including sealed part having recess
WO2018049561A1 (zh) * 2016-09-13 2018-03-22 东莞新能源科技有限公司 电池

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001093483A (ja) * 1999-09-28 2001-04-06 Tokai Rubber Ind Ltd 薄型電池用袋体
CN201117690Y (zh) * 2007-11-08 2008-09-17 比亚迪股份有限公司 一种软包装电池
CN202662704U (zh) * 2012-05-23 2013-01-09 宁德新能源科技有限公司 一种软包装锂离子电池
KR102250898B1 (ko) * 2016-05-27 2021-05-10 주식회사 엘지화학 전지용 파우치 외장재 및 이를 포함하는 전지

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202134580U (zh) * 2011-04-14 2012-02-01 东莞新能源科技有限公司 一种锂离子电池及其包装箔
US20130122335A1 (en) * 2011-11-14 2013-05-16 Sk Innovation Co., Ltd. Battery cell and battery module including the same
US20170170437A1 (en) * 2014-02-14 2017-06-15 Lg Chem, Ltd. Pouch-type secondary battery including sealed part having recess
CN205900670U (zh) * 2016-08-08 2017-01-18 上海贯裕能源科技有限公司 软包电池安全排气封装装置
WO2018049561A1 (zh) * 2016-09-13 2018-03-22 东莞新能源科技有限公司 电池

Also Published As

Publication number Publication date
WO2021195927A1 (zh) 2021-10-07

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