JP7738479B2 - 円筒形非水電解質二次電池 - Google Patents

円筒形非水電解質二次電池

Info

Publication number
JP7738479B2
JP7738479B2 JP2021527674A JP2021527674A JP7738479B2 JP 7738479 B2 JP7738479 B2 JP 7738479B2 JP 2021527674 A JP2021527674 A JP 2021527674A JP 2021527674 A JP2021527674 A JP 2021527674A JP 7738479 B2 JP7738479 B2 JP 7738479B2
Authority
JP
Japan
Prior art keywords
secondary battery
lead
positive electrode
insulating plate
electrolyte secondary
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
JP2021527674A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2020262437A1 (https=
JPWO2020262437A5 (https=
Inventor
翔太 小山
智彦 横山
亮 樫村
聡 三原
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 Corp
Panasonic Holdings Corp
Panasonic Energy Co Ltd
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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 Corp, Matsushita Electric Industrial Co Ltd, Panasonic Energy Co Ltd filed Critical Panasonic Corp
Publication of JPWO2020262437A1 publication Critical patent/JPWO2020262437A1/ja
Publication of JPWO2020262437A5 publication Critical patent/JPWO2020262437A5/ja
Application granted granted Critical
Publication of JP7738479B2 publication Critical patent/JP7738479B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • 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
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells 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
    • H01M50/183—Sealing members
    • H01M50/186—Sealing members characterised by the disposition of the sealing members
    • H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • 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
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/20—Pressure-sensitive devices
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing 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)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
JP2021527674A 2019-06-28 2020-06-24 円筒形非水電解質二次電池 Active JP7738479B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019120967 2019-06-28
JP2019120967 2019-06-28
PCT/JP2020/024745 WO2020262437A1 (ja) 2019-06-28 2020-06-24 円筒形非水電解質二次電池

Publications (3)

Publication Number Publication Date
JPWO2020262437A1 JPWO2020262437A1 (https=) 2020-12-30
JPWO2020262437A5 JPWO2020262437A5 (https=) 2022-03-24
JP7738479B2 true JP7738479B2 (ja) 2025-09-12

Family

ID=74061657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021527674A Active JP7738479B2 (ja) 2019-06-28 2020-06-24 円筒形非水電解質二次電池

Country Status (5)

Country Link
US (1) US12381297B2 (https=)
EP (1) EP3993131A4 (https=)
JP (1) JP7738479B2 (https=)
CN (1) CN114026725B (https=)
WO (1) WO2020262437A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250219154A1 (en) * 2022-03-24 2025-07-03 Panasonic Intellectual Property Management Co., Ltd. Non-aqueous electrolyte secondary battery
EP4579864A4 (en) * 2022-08-24 2026-01-21 Panasonic Energy Co Ltd SECONDARY BATTERY WITH NON-AQUEOUS ELECTROLYTE
WO2024111410A1 (ja) * 2022-11-25 2024-05-30 パナソニックエナジー株式会社 円筒形の非水電解質二次電池
WO2024111413A1 (ja) * 2022-11-25 2024-05-30 パナソニックエナジー株式会社 円筒形の非水電解質二次電池
JPWO2024247779A1 (https=) * 2023-05-31 2024-12-05
JPWO2024247781A1 (https=) * 2023-05-31 2024-12-05

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006196292A (ja) 2005-01-13 2006-07-27 Sanyo Electric Co Ltd 非水電解液二次電池およびその製造方法
WO2013099295A1 (ja) 2011-12-28 2013-07-04 パナソニック株式会社 円筒形リチウムイオン電池
WO2016098291A1 (ja) 2014-12-16 2016-06-23 三洋電機株式会社 円筒形電池
WO2016116876A1 (en) 2015-01-20 2016-07-28 Enthone Inc. Compositions including a high molecular weight acid suitable for conductive polymer formation on dielectric substrates
WO2018179721A1 (ja) 2017-03-27 2018-10-04 パナソニック株式会社 二次電池用絶縁板およびそれを備える二次電池

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5098285B2 (ja) * 2006-10-18 2012-12-12 パナソニック株式会社 非水電解質二次電池およびその製造方法
KR101502162B1 (ko) * 2008-04-18 2015-03-13 삼성에스디아이 주식회사 이차 전지
US11264649B2 (en) 2016-12-22 2022-03-01 Sanyo Electric Co., Ltd. Cylindrical nonaqueous electrolyte secondary battery
US20200280027A1 (en) 2017-09-15 2020-09-03 Sanyo Electric Co., Ltd. Cylindrical nonaqueous electrolyte secondary battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006196292A (ja) 2005-01-13 2006-07-27 Sanyo Electric Co Ltd 非水電解液二次電池およびその製造方法
WO2013099295A1 (ja) 2011-12-28 2013-07-04 パナソニック株式会社 円筒形リチウムイオン電池
WO2016098291A1 (ja) 2014-12-16 2016-06-23 三洋電機株式会社 円筒形電池
WO2016116876A1 (en) 2015-01-20 2016-07-28 Enthone Inc. Compositions including a high molecular weight acid suitable for conductive polymer formation on dielectric substrates
WO2018179721A1 (ja) 2017-03-27 2018-10-04 パナソニック株式会社 二次電池用絶縁板およびそれを備える二次電池

Also Published As

Publication number Publication date
EP3993131A1 (en) 2022-05-04
CN114026725A (zh) 2022-02-08
CN114026725B (zh) 2024-12-13
US20220416380A1 (en) 2022-12-29
JPWO2020262437A1 (https=) 2020-12-30
US12381297B2 (en) 2025-08-05
WO2020262437A1 (ja) 2020-12-30
EP3993131A4 (en) 2022-08-17

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