CN115868074A - 端盖组件、电池单体及其制造方法、电池及用电装置 - Google Patents

端盖组件、电池单体及其制造方法、电池及用电装置 Download PDF

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Publication number
CN115868074A
CN115868074A CN202080102986.7A CN202080102986A CN115868074A CN 115868074 A CN115868074 A CN 115868074A CN 202080102986 A CN202080102986 A CN 202080102986A CN 115868074 A CN115868074 A CN 115868074A
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CN
China
Prior art keywords
battery
explosion
adaptor
end cover
battery cell
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
CN202080102986.7A
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English (en)
Inventor
苏华圣
邢承友
康文龙
李全坤
王鹏
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.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology Co 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 Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Publication of CN115868074A publication Critical patent/CN115868074A/zh
Pending legal-status Critical Current

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    • 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/147—Lids or covers
    • 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
    • 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/14—Primary casings, jackets or wrappings of a single cell or a single battery for protecting against damage caused by external factors
    • H01M50/143—Fireproof; Explosion-proof
    • 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
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • 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
    • H01M50/543—Terminals
    • 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

Abstract

本申请实施例涉及电池领域，尤其涉及一种端盖组件、电池单体及其制造方法、电池及用电装置。其中，端盖组件包括端盖，用于封闭电池单体的壳体，端盖上设有防爆机构；转接件，转接件在端盖的第一面的正投影与防爆机构在端盖的第一面的正投影至少部分重合，第一面为端盖朝向壳体的面；转接件与端盖之间设有支撑件，支撑件由耐高温的绝缘材料制成，支撑件能够支撑转接件，以防止转接件在电池单体热失控时堵塞防爆机构。本申请通过增加支撑件，从而防止转接件在电池单体发生热失控时直接抵在防爆机构上而堵塞防爆机构，保证防爆机构的正常致动，进而防止电池单体在热失控时发生燃烧甚至爆炸，保证电池单体在使用时的安全性。

Description

PCT国内申请，说明书已公开。

Claims (17)

  1. PCT国内申请，权利要求书已公开。
CN202080102986.7A 2020-12-11 2020-12-11 端盖组件、电池单体及其制造方法、电池及用电装置 Pending CN115868074A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/135949 WO2022120851A1 (zh) 2020-12-11 2020-12-11 端盖组件、电池单体及其制造方法、电池及用电装置

Publications (1)

Publication Number Publication Date
CN115868074A true CN115868074A (zh) 2023-03-28

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Country Link
US (1) US11688907B2 (zh)
EP (1) EP4071897A4 (zh)
CN (1) CN115868074A (zh)
WO (1) WO2022120851A1 (zh)

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Publication number Priority date Publication date Assignee Title
WO2023246098A1 (zh) * 2022-06-21 2023-12-28 宁德时代新能源科技股份有限公司 电池单体、电池及用电装置
WO2023246227A1 (zh) * 2022-06-21 2023-12-28 宁德时代新能源科技股份有限公司 电池单体、电池及用电装置
WO2023245431A1 (zh) * 2022-06-21 2023-12-28 宁德时代新能源科技股份有限公司 电池单体、电池及用电设备
WO2024066133A1 (zh) * 2022-09-28 2024-04-04 厦门海辰储能科技股份有限公司 单体电池、电池包和用电设备
CN116544488B (zh) * 2023-07-06 2023-11-14 宁德时代新能源科技股份有限公司 底托板、电池单体、电池和用电装置

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Publication number Priority date Publication date Assignee Title
KR100646532B1 (ko) * 2005-03-24 2006-11-23 삼성에스디아이 주식회사 리튬 이차전지
CN202749425U (zh) * 2012-08-20 2013-02-20 常州市武进中瑞电子有限公司 防堵塞超声焊圆柱锂电池防爆组合盖帽
JP6925212B2 (ja) * 2017-09-18 2021-08-25 タイガースポリマー株式会社 密閉型電気化学デバイス用防爆弁体
KR102586879B1 (ko) * 2017-10-11 2023-10-10 삼성에스디아이 주식회사 이차 전지
CN208225974U (zh) * 2017-12-28 2018-12-11 力神电池（苏州）有限公司 一种锂离子电池上垫片
CN111490212B (zh) * 2020-04-21 2022-04-12 东莞蒲微防水透气膜材料有限公司 一种防堵塞的防爆阀及其制备方法

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WO2022120851A1 (zh) 2022-06-16
US20220320643A1 (en) 2022-10-06
US11688907B2 (en) 2023-06-27
EP4071897A1 (en) 2022-10-12
EP4071897A4 (en) 2023-10-11

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