CN114450846A - 电池模块、电池组、装置及失效处理方法 - Google Patents

电池模块、电池组、装置及失效处理方法 Download PDF

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Publication number
CN114450846A
CN114450846A CN202080068449.5A CN202080068449A CN114450846A CN 114450846 A CN114450846 A CN 114450846A CN 202080068449 A CN202080068449 A CN 202080068449A CN 114450846 A CN114450846 A CN 114450846A
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China
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conductive member
battery
failed
battery module
cell
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CN202080068449.5A
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CN114450846B (zh
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周迪
徐冶
赵宾
陈荣才
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Priority claimed from CN201911055609.8A external-priority patent/CN112297847B/zh
Priority claimed from CN201911056741.0A external-priority patent/CN112310570B/zh
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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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • 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
    • 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
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/588—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
    • 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
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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

一种电池模块(M2)、电池组(M)、装置(D)和失效处理方法，电池模块包括多个串联的电池单元(l)，当电池模块失效后，多个电池单元中包括失效电池单元(13)和至少一个非失效电池单元(14)；和导电部件(3)，其用于与至少一个非失效电池单元大气连接，使电流绕过失效电池单元的电极组件，以使电池模块恢复工作。简化了电池模块的维护流程，降低了维护成本，提高了电池模块的工作效率。

Description

PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN202080068449.5A 2019-10-31 2020-01-22 电池模块、电池组、装置及失效处理方法 Active CN114450846B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN2019110567410 2019-10-31
CN201911055609.8A CN112297847B (zh) 2019-10-31 2019-10-31 电池模块、电池组、装置和失效电池单元的失效处理方法
CN201911056741.0A CN112310570B (zh) 2019-10-31 2019-10-31 电池模块、电池组、装置和目标电池单元的失效处理方法
CN2019110556098 2019-10-31
PCT/CN2020/073856 WO2021082295A1 (zh) 2019-10-31 2020-01-22 电池模块、电池组、装置及失效处理方法

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CN114450846A true CN114450846A (zh) 2022-05-06
CN114450846B CN114450846B (zh) 2023-12-22

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US (1) US20210143518A1 (zh)
EP (1) EP3846281B1 (zh)
JP (1) JP7248812B2 (zh)
KR (1) KR20220061221A (zh)
CN (1) CN114450846B (zh)
HU (1) HUE061347T2 (zh)
WO (1) WO2021082295A1 (zh)

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CN112310492B (zh) * 2019-11-29 2021-08-20 宁德时代新能源科技股份有限公司 电池模块、装置及失效电池单体的失效处理方法
CN112310493B (zh) 2019-11-29 2021-12-07 宁德时代新能源科技股份有限公司 失效电池单元的处理方法、电池模块、电池组和装置
CN112310562B (zh) * 2020-04-03 2023-04-07 宁德时代新能源科技股份有限公司 电池模块、电池组、装置及失效处理方法
CN112332036B (zh) * 2020-04-03 2023-04-07 宁德时代新能源科技股份有限公司 电池模块、电池组、装置及失效处理方法
CN114335837A (zh) * 2021-12-31 2022-04-12 远景动力技术(江苏)有限公司 电池包
US11757162B1 (en) 2022-03-25 2023-09-12 Beta Air, Llc Systems and methods for locking a battery for an electric aircraft

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EP3846281B1 (en) 2023-02-15
HUE061347T2 (hu) 2023-06-28
JP7248812B2 (ja) 2023-03-29
WO2021082295A1 (zh) 2021-05-06
US20210143518A1 (en) 2021-05-13
KR20220061221A (ko) 2022-05-12
EP3846281A4 (en) 2021-11-17
JP2022522490A (ja) 2022-04-19
CN114450846B (zh) 2023-12-22
EP3846281A1 (en) 2021-07-07

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