JP7793374B2 - 二次電池 - Google Patents

二次電池

Info

Publication number
JP7793374B2
JP7793374B2 JP2021573052A JP2021573052A JP7793374B2 JP 7793374 B2 JP7793374 B2 JP 7793374B2 JP 2021573052 A JP2021573052 A JP 2021573052A JP 2021573052 A JP2021573052 A JP 2021573052A JP 7793374 B2 JP7793374 B2 JP 7793374B2
Authority
JP
Japan
Prior art keywords
negative electrode
positive electrode
core
widthwise
width direction
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
JP2021573052A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021149489A5 (https=
JPWO2021149489A1 (https=
Inventor
湧基 中井
篤史 貝塚
達彦 鈴木
敬元 森川
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 JPWO2021149489A1 publication Critical patent/JPWO2021149489A1/ja
Publication of JPWO2021149489A5 publication Critical patent/JPWO2021149489A5/ja
Application granted granted Critical
Publication of JP7793374B2 publication Critical patent/JP7793374B2/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
    • H01M10/058—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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
JP2021573052A 2020-01-23 2021-01-06 二次電池 Active JP7793374B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020008912 2020-01-23
JP2020008912 2020-01-23
PCT/JP2021/000179 WO2021149489A1 (ja) 2020-01-23 2021-01-06 二次電池

Publications (3)

Publication Number Publication Date
JPWO2021149489A1 JPWO2021149489A1 (https=) 2021-07-29
JPWO2021149489A5 JPWO2021149489A5 (https=) 2022-09-14
JP7793374B2 true JP7793374B2 (ja) 2026-01-05

Family

ID=76992283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021573052A Active JP7793374B2 (ja) 2020-01-23 2021-01-06 二次電池

Country Status (5)

Country Link
US (1) US20230039429A1 (https=)
EP (1) EP4095938B1 (https=)
JP (1) JP7793374B2 (https=)
CN (1) CN114946053B (https=)
WO (1) WO2021149489A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025535167A (ja) * 2022-11-01 2025-10-22 エルジー エナジー ソリューション リミテッド 電極シート加熱装置、電極シートの加熱方法、およびゼリーロール型電極組立体
WO2025182837A1 (ja) * 2024-02-28 2025-09-04 パナソニックＩｐマネジメント株式会社 円筒形二次電池

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004171978A (ja) 2002-11-21 2004-06-17 Matsushita Electric Ind Co Ltd アルカリ蓄電池

Family Cites Families (27)

* Cited by examiner, † Cited by third party
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JP3478030B2 (ja) * 1996-12-24 2003-12-10 松下電器産業株式会社 アルカリ蓄電池
JP4242997B2 (ja) * 2000-03-30 2009-03-25 三洋電機株式会社 非水電解質電池
JP2004095476A (ja) * 2002-09-03 2004-03-25 Ishikawajima Harima Heavy Ind Co Ltd 電池用電極及び電池
JP2005135856A (ja) * 2003-10-31 2005-05-26 Mitsubishi Chemicals Corp リチウム二次電池用電極及びその製造方法、並びにリチウム二次電池
JP4954585B2 (ja) * 2006-03-31 2012-06-20 株式会社デンソー リチウムイオン電池用電極の製造方法
JP4979432B2 (ja) * 2007-03-28 2012-07-18 三洋電機株式会社 円筒型リチウム二次電池
JP5264271B2 (ja) * 2008-04-30 2013-08-14 パナソニック株式会社 非水電解質二次電池及びその製造方法
JP2010232088A (ja) * 2009-03-27 2010-10-14 Sanyo Electric Co Ltd 非水電解質二次電池
JP2010287465A (ja) * 2009-06-12 2010-12-24 Panasonic Corp 非水電解質二次電池用電極群および非水電解質二次電池
JP5304666B2 (ja) * 2010-01-22 2013-10-02 ソニー株式会社 電池用電極の製造方法
JP2014053134A (ja) * 2012-09-06 2014-03-20 Sony Corp 二次電池およびその製造方法、ならびに電池パックおよび電動車両
JP2014060092A (ja) * 2012-09-19 2014-04-03 Sh Copper Products Corp 負極集電銅箔の製造方法、負極集電銅箔、リチウムイオン二次電池用の負極、及びリチウムイオン二次電池
JP5904096B2 (ja) * 2012-10-31 2016-04-13 Tdk株式会社 リチウムイオン二次電池用集電体、およびそれを用いたリチウムイオン二次電池
JP2014123485A (ja) * 2012-12-21 2014-07-03 Sanyo Electric Co Ltd 非水電解質二次電池
JP2014143008A (ja) * 2013-01-22 2014-08-07 Sh Copper Products Corp リチウムイオン二次電池の負極集電体用銅箔、及びリチウムイオン二次電池の負極の製造方法、並びにリチウムイオン二次電池の負極集電体用銅箔の評価方法
JP2014154363A (ja) * 2013-02-08 2014-08-25 Toyota Motor Corp 非水電解液二次電池，非水電解液二次電池の正極板の製造方法，および非水電解液二次電池の製造方法
JP2016058181A (ja) * 2014-09-08 2016-04-21 トヨタ自動車株式会社 非水系二次電池用電極板の製造方法
JP6179498B2 (ja) 2014-11-19 2017-08-16 トヨタ自動車株式会社 非水電解質二次電池用負極の製造方法
JP6775350B2 (ja) * 2016-08-15 2020-10-28 株式会社Uacj 電解アルミニウム箔の製造方法
JP6729479B2 (ja) * 2017-04-28 2020-07-22 トヨタ自動車株式会社 積層電池
JP7013773B2 (ja) * 2017-09-29 2022-02-01 三洋電機株式会社 非水電解質二次電池及びその製造方法
US10424793B2 (en) * 2017-11-14 2019-09-24 Chang Chun Petrochemical Co., Ltd. Electrodeposited copper foil and method for producing the same, and current collector for lithium secondary battery and secondary battery comprising the electrodeposited copper foil
JP7021564B2 (ja) * 2018-03-02 2022-02-17 三洋電機株式会社 二次電池及びその製造方法
EP3778947B1 (en) * 2018-03-27 2025-08-20 Furukawa Electric Co., Ltd. Aluminum alloy material, and conductive member, battery member, fastening part, spring part, and structural part using aluminum alloy material
WO2019239988A1 (ja) * 2018-06-11 2019-12-19 株式会社村田製作所 電池用電極およびその製造方法
JP7084299B2 (ja) * 2018-12-27 2022-06-14 三洋電機株式会社 二次電池
CN112186192A (zh) * 2019-07-01 2021-01-05 宁德时代新能源科技股份有限公司 负极集流体、负极极片及电化学装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004171978A (ja) 2002-11-21 2004-06-17 Matsushita Electric Ind Co Ltd アルカリ蓄電池

Also Published As

Publication number Publication date
EP4095938B1 (en) 2025-03-12
WO2021149489A1 (ja) 2021-07-29
CN114946053B (zh) 2024-10-25
EP4095938A1 (en) 2022-11-30
US20230039429A1 (en) 2023-02-09
CN114946053A (zh) 2022-08-26
EP4095938A4 (en) 2024-01-10
JPWO2021149489A1 (https=) 2021-07-29

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