CN117438749A - 电池单体、电池及用电装置 - Google Patents

电池单体、电池及用电装置 Download PDF

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Publication number
CN117438749A
CN117438749A CN202210823644.5A CN202210823644A CN117438749A CN 117438749 A CN117438749 A CN 117438749A CN 202210823644 A CN202210823644 A CN 202210823644A CN 117438749 A CN117438749 A CN 117438749A
Authority
CN
China
Prior art keywords
tab
battery cell
electrode
end surface
connecting portion
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
CN202210823644.5A
Other languages
English (en)
Chinese (zh)
Inventor
林蹬华
陈龙
陈新祥
郑于炼
王鹏
金海族
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
Priority to CN202210823644.5A priority Critical patent/CN117438749A/zh
Priority to PCT/CN2023/099862 priority patent/WO2024012127A1/zh
Priority to KR1020257002588A priority patent/KR20250029170A/ko
Priority to JP2025501519A priority patent/JP2025524648A/ja
Priority to EP23838621.3A priority patent/EP4539243A4/en
Publication of CN117438749A publication Critical patent/CN117438749A/zh
Priority to US19/015,145 priority patent/US12469936B2/en
Pending legal-status Critical Current

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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • 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
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/471—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
    • H01M50/474—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by their position inside the 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/471—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
    • H01M50/477—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by their shape
    • 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
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • 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
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch 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
    • H01M50/572—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
    • H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
    • 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
    • H01M50/593—Spacers; Insulating plates
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Batteries Or Terminals (AREA)
CN202210823644.5A 2022-07-14 2022-07-14 电池单体、电池及用电装置 Pending CN117438749A (zh)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN202210823644.5A CN117438749A (zh) 2022-07-14 2022-07-14 电池单体、电池及用电装置
PCT/CN2023/099862 WO2024012127A1 (zh) 2022-07-14 2023-06-13 电池单体、电池及用电装置
KR1020257002588A KR20250029170A (ko) 2022-07-14 2023-06-13 배터리셀, 배터리 및 전기기기
JP2025501519A JP2025524648A (ja) 2022-07-14 2023-06-13 電池セル、電池及び電力消費装置
EP23838621.3A EP4539243A4 (en) 2022-07-14 2023-06-13 BATTERY COMPONENT, BATTERY AND ELECTRICAL DEVICE
US19/015,145 US12469936B2 (en) 2022-07-14 2025-01-09 Battery cell, battery, and electric apparatus with tab including two different connecting portions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210823644.5A CN117438749A (zh) 2022-07-14 2022-07-14 电池单体、电池及用电装置

Publications (1)

Publication Number Publication Date
CN117438749A true CN117438749A (zh) 2024-01-23

Family

ID=89535452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210823644.5A Pending CN117438749A (zh) 2022-07-14 2022-07-14 电池单体、电池及用电装置

Country Status (6)

Country Link
US (1) US12469936B2 (https=)
EP (1) EP4539243A4 (https=)
JP (1) JP2025524648A (https=)
KR (1) KR20250029170A (https=)
CN (1) CN117438749A (https=)
WO (1) WO2024012127A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025241093A1 (zh) * 2024-05-21 2025-11-27 宁德时代新能源科技股份有限公司 电池单体、电池、用电装置及储能装置
JP2026013365A (ja) * 2024-07-16 2026-01-28 株式会社Ａｅｓｃジャパン 二次電池

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10326609A (ja) * 1997-03-26 1998-12-08 Toyota Central Res & Dev Lab Inc 電 池
CN100411236C (zh) * 2005-10-19 2008-08-13 湖南神舟科技股份有限公司 一种用平板电极叠片制作的方形蓄电池
KR101427018B1 (ko) * 2010-02-17 2014-08-06 가부시끼가이샤 도시바 전지 및 그 제조 방법
CN101834307A (zh) * 2010-03-26 2010-09-15 湖南科霸汽车动力电池有限责任公司 方形蓄电池
JP2012014935A (ja) * 2010-06-30 2012-01-19 Mitsubishi Heavy Ind Ltd 電池
JP5200072B2 (ja) * 2010-08-17 2013-05-15 三菱重工業株式会社 電池
WO2014027606A1 (ja) * 2012-08-14 2014-02-20 株式会社 豊田自動織機 蓄電装置
JP5574003B1 (ja) * 2013-03-29 2014-08-20 株式会社豊田自動織機 蓄電装置
JP6460414B2 (ja) * 2016-09-12 2019-01-30 トヨタ自動車株式会社 電池
CN209526150U (zh) * 2019-05-08 2019-10-22 华霆（合肥）动力技术有限公司 单体电池及电池模组
JP2021051971A (ja) * 2019-09-26 2021-04-01 株式会社豊田自動織機 蓄電装置
CN114865245B (zh) * 2019-11-25 2024-01-02 宁德时代新能源科技股份有限公司 电池单体、电池模块、电池组、使用电池单体作为电源的装置及电池单体的组装方法
CN111769249B (zh) 2020-07-08 2025-03-21 江苏正力新能电池技术股份有限公司 一种动力电池用下塑胶件、顶盖装配结构及动力电池
JP7472317B2 (ja) * 2020-12-14 2024-04-22 株式会社東芝 電池

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025241093A1 (zh) * 2024-05-21 2025-11-27 宁德时代新能源科技股份有限公司 电池单体、电池、用电装置及储能装置
JP2026013365A (ja) * 2024-07-16 2026-01-28 株式会社Ａｅｓｃジャパン 二次電池

Also Published As

Publication number Publication date
EP4539243A1 (en) 2025-04-16
EP4539243A4 (en) 2025-12-24
KR20250029170A (ko) 2025-03-04
WO2024012127A1 (zh) 2024-01-18
US20250149753A1 (en) 2025-05-08
JP2025524648A (ja) 2025-07-30
US12469936B2 (en) 2025-11-11

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