JP7808586B2 - 円筒形電池、及びその製造方法 - Google Patents

円筒形電池、及びその製造方法

Info

Publication number
JP7808586B2
JP7808586B2 JP2023502296A JP2023502296A JP7808586B2 JP 7808586 B2 JP7808586 B2 JP 7808586B2 JP 2023502296 A JP2023502296 A JP 2023502296A JP 2023502296 A JP2023502296 A JP 2023502296A JP 7808586 B2 JP7808586 B2 JP 7808586B2
Authority
JP
Japan
Prior art keywords
negative electrode
electrode lead
cylindrical battery
metal plate
lead portions
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
JP2023502296A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022181383A1 (https=
JPWO2022181383A5 (https=
Inventor
心 原口
仰 奥谷
良太 沖本
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.)
Panasonic Energy Co Ltd
Original Assignee
Panasonic Energy 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 Panasonic Energy Co Ltd filed Critical Panasonic Energy Co Ltd
Publication of JPWO2022181383A1 publication Critical patent/JPWO2022181383A1/ja
Publication of JPWO2022181383A5 publication Critical patent/JPWO2022181383A5/ja
Application granted granted Critical
Publication of JP7808586B2 publication Critical patent/JP7808586B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01M10/058Construction or manufacture
    • H01M10/0587Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • 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
    • H01M50/102Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/107Primary casings; Jackets or wrappings characterised by their shape or physical structure 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
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/533Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • 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
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/534Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • 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
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/538Connection of several leads or tabs of wound or folded electrode stacks
    • 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
    • H01M50/543Terminals
    • H01M50/545Terminals formed by the casing of the 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
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/543Terminals
    • H01M50/547Terminals characterised by the disposition of the terminals on the cells
    • H01M50/548Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
    • 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
    • H01M50/543Terminals
    • H01M50/564Terminals characterised by their manufacturing process
    • H01M50/566Terminals characterised by their manufacturing process by welding, soldering or brazing
    • 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
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/586Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0431Cells with wound or folded electrodes
    • 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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)
  • Secondary Cells (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
JP2023502296A 2021-02-26 2022-02-15 円筒形電池、及びその製造方法 Active JP7808586B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021030649 2021-02-26
JP2021030649 2021-02-26
PCT/JP2022/005823 WO2022181383A1 (ja) 2021-02-26 2022-02-15 円筒形電池、及びその製造方法

Publications (3)

Publication Number Publication Date
JPWO2022181383A1 JPWO2022181383A1 (https=) 2022-09-01
JPWO2022181383A5 JPWO2022181383A5 (https=) 2023-11-22
JP7808586B2 true JP7808586B2 (ja) 2026-01-29

Family

ID=83049290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023502296A Active JP7808586B2 (ja) 2021-02-26 2022-02-15 円筒形電池、及びその製造方法

Country Status (5)

Country Link
US (1) US20240145883A1 (https=)
EP (1) EP4300645A4 (https=)
JP (1) JP7808586B2 (https=)
CN (1) CN116848722A (https=)
WO (1) WO2022181383A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023014018A1 (ko) * 2021-08-05 2023-02-09 주식회사 엘지에너지솔루션 전극 조립체, 이차전지, 이를 포함하는 배터리 팩 및 자동차
WO2025047844A1 (ja) * 2023-08-31 2025-03-06 パナソニックIpマネジメント株式会社 円筒形二次電池
WO2025143013A1 (ja) * 2023-12-27 2025-07-03 パナソニックIpマネジメント株式会社 円筒形電池

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019160751A (ja) 2018-03-16 2019-09-19 三洋電機株式会社 密閉電池の製造方法及び密閉電池
JP2020047708A (ja) 2018-09-18 2020-03-26 太陽誘電株式会社 電気化学デバイス、接合体、電気化学デバイスの製造方法及び接合体の製造方法
WO2021024734A1 (ja) 2019-08-08 2021-02-11 株式会社村田製作所 二次電池、電池パック、電子機器、電動工具及び電動車両

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001126708A (ja) 1999-10-27 2001-05-11 Sony Corp 非水電解液電池の製造方法
JP2001148238A (ja) * 1999-11-19 2001-05-29 Sony Corp 2次電池
JP2002270148A (ja) * 2001-03-13 2002-09-20 Shin Kobe Electric Mach Co Ltd 円筒密閉型リチウム二次電池の製造方法及びリチウム二次電池
WO2019004039A1 (ja) * 2017-06-28 2019-01-03 三洋電機株式会社 電池及びその製造方法
US20200090879A1 (en) * 2018-09-18 2020-03-19 Taiyo Yuden Co., Ltd. Electrochemical device, joined body, method of producing electrochemical device, and method of producing joined body

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019160751A (ja) 2018-03-16 2019-09-19 三洋電機株式会社 密閉電池の製造方法及び密閉電池
JP2020047708A (ja) 2018-09-18 2020-03-26 太陽誘電株式会社 電気化学デバイス、接合体、電気化学デバイスの製造方法及び接合体の製造方法
WO2021024734A1 (ja) 2019-08-08 2021-02-11 株式会社村田製作所 二次電池、電池パック、電子機器、電動工具及び電動車両

Also Published As

Publication number Publication date
WO2022181383A1 (ja) 2022-09-01
EP4300645A1 (en) 2024-01-03
JPWO2022181383A1 (https=) 2022-09-01
US20240145883A1 (en) 2024-05-02
EP4300645A4 (en) 2025-04-02
CN116848722A (zh) 2023-10-03

Similar Documents

Publication Publication Date Title
JP7808586B2 (ja) 円筒形電池、及びその製造方法
WO2011001617A1 (ja) 捲回型電極群および電池
JP5735096B2 (ja) 非水二次電池用電極の製造方法、および非水二次電池の製造方法
US20250158243A1 (en) Battery and current collector
JP2020149881A (ja) 二次電池
EP4369509A1 (en) Cylindrical battery
JP7738641B2 (ja) 円筒形電池
WO2022181338A1 (ja) 円筒形電池
CN111919312A (zh) 圆筒形电池以及其制造方法
JP4204366B2 (ja) 非水電解質二次電池
WO2024004451A1 (ja) 円筒形電池
WO2026028553A1 (ja) 円筒形電池
JP7674111B2 (ja) 電池、及び電池の製造方法
WO2025239268A1 (ja) 円筒形電池
WO2025069835A1 (ja) 円筒形電池
JP2004253252A (ja) リチウム二次電池
WO2025182714A1 (ja) 非水電解質二次電池
WO2025205532A1 (ja) 円筒形電池の製造方法、及び円筒形電池
WO2025069750A1 (ja) 円筒形電池
WO2025248987A1 (ja) 蓄電装置
WO2022196442A1 (ja) 密閉電池
WO2026070472A1 (ja) 蓄電装置
JP2025181188A (ja) 円筒形電池、及び円筒形電池の製造方法
WO2023223791A1 (ja) 円筒形電池
WO2026070618A1 (ja) 円筒形電池

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230620

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250106

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250916

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20251028

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20260106

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260119

R150 Certificate of patent or registration of utility model

Ref document number: 7808586

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150