JP7498994B1 - リチウム２次電池 - Google Patents

リチウム２次電池 Download PDF

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Publication number
JP7498994B1
JP7498994B1 JP2023580627A JP2023580627A JP7498994B1 JP 7498994 B1 JP7498994 B1 JP 7498994B1 JP 2023580627 A JP2023580627 A JP 2023580627A JP 2023580627 A JP2023580627 A JP 2023580627A JP 7498994 B1 JP7498994 B1 JP 7498994B1
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JP
Japan
Prior art keywords
negative electrode
mark
secondary battery
electrode tab
lithium 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
JP2023580627A
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English (en)
Japanese (ja)
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JPWO2024261870A5 (https=
JPWO2024261870A1 (https=
Inventor
三宅　実
剛輔 大山
健 緒方
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.)
Terawatt Technology KK
Original Assignee
Terawatt Technology KK
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.)
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Publication date
Application filed by Terawatt Technology KK filed Critical Terawatt Technology KK
Priority to JP2024076127A priority Critical patent/JP2025001639A/ja
Application granted granted Critical
Publication of JP7498994B1 publication Critical patent/JP7498994B1/ja
Publication of JPWO2024261870A1 publication Critical patent/JPWO2024261870A1/ja
Publication of JPWO2024261870A5 publication Critical patent/JPWO2024261870A5/ja
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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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • 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
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • 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
    • H01M4/668—Composites of electroconductive material and synthetic resins
    • 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
    • H01M50/105—Pouches or flexible bags
    • 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
    • H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • 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
    • 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)
  • Composite Materials (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Secondary Cells (AREA)
JP2023580627A 2023-06-20 2023-06-20 リチウム２次電池 Active JP7498994B1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024076127A JP2025001639A (ja) 2023-06-20 2024-05-08 リチウム２次電池

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/022782 WO2024261870A1 (ja) 2023-06-20 2023-06-20 リチウム２次電池

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024076127A Division JP2025001639A (ja) 2023-06-20 2024-05-08 リチウム２次電池

Publications (3)

Publication Number Publication Date
JP7498994B1 true JP7498994B1 (ja) 2024-06-13
JPWO2024261870A1 JPWO2024261870A1 (https=) 2024-12-26
JPWO2024261870A5 JPWO2024261870A5 (https=) 2025-05-27

Family

ID=91377606

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2023580627A Active JP7498994B1 (ja) 2023-06-20 2023-06-20 リチウム２次電池
JP2024076127A Pending JP2025001639A (ja) 2023-06-20 2024-05-08 リチウム２次電池

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024076127A Pending JP2025001639A (ja) 2023-06-20 2024-05-08 リチウム２次電池

Country Status (5)

Country Link
EP (1) EP4734203A1 (https=)
JP (2) JP7498994B1 (https=)
KR (1) KR20260005935A (https=)
CN (1) CN120836094A (https=)
WO (1) WO2024261870A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012056846A1 (ja) * 2010-10-27 2012-05-03 東レフィルム加工株式会社 二次電池およびその製造方法ならびに二次電池用熱接着性絶縁フィルム
WO2012093588A1 (ja) * 2011-01-07 2012-07-12 シャープ株式会社 非水系二次電池
WO2012102220A1 (ja) * 2011-01-25 2012-08-02 シャープ株式会社 非水系二次電池
JP2012212506A (ja) * 2009-07-01 2012-11-01 Hitachi Maxell Ltd ラミネート形電池
US20200373584A1 (en) * 2017-09-09 2020-11-26 Brian G. Morin Battery connections and metallized film components in energy storage devices having internal fuses
JP7123221B1 (ja) * 2021-06-18 2022-08-22 ソフトバンク株式会社 製造方法、プログラム、製造システム、積層集電体、電池、移動体、及び飛行体
JP2022554113A (ja) * 2019-11-19 2022-12-28 エルジー エナジー ソリューション リミテッド 電極組立体およびその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01102711A (ja) 1987-10-15 1989-04-20 Canon Electron Inc 薄膜磁気ヘッド
JPH11102711A (ja) 1997-09-25 1999-04-13 Denso Corp リチウムイオン二次電池
JP2013016321A (ja) 2011-07-01 2013-01-24 Sharp Corp 集電体および非水系二次電池

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012212506A (ja) * 2009-07-01 2012-11-01 Hitachi Maxell Ltd ラミネート形電池
WO2012056846A1 (ja) * 2010-10-27 2012-05-03 東レフィルム加工株式会社 二次電池およびその製造方法ならびに二次電池用熱接着性絶縁フィルム
WO2012093588A1 (ja) * 2011-01-07 2012-07-12 シャープ株式会社 非水系二次電池
WO2012102220A1 (ja) * 2011-01-25 2012-08-02 シャープ株式会社 非水系二次電池
US20200373584A1 (en) * 2017-09-09 2020-11-26 Brian G. Morin Battery connections and metallized film components in energy storage devices having internal fuses
JP2022554113A (ja) * 2019-11-19 2022-12-28 エルジー エナジー ソリューション リミテッド 電極組立体およびその製造方法
JP7123221B1 (ja) * 2021-06-18 2022-08-22 ソフトバンク株式会社 製造方法、プログラム、製造システム、積層集電体、電池、移動体、及び飛行体

Also Published As

Publication number Publication date
CN120836094A (zh) 2025-10-24
EP4734203A1 (en) 2026-04-29
KR20260005935A (ko) 2026-01-12
WO2024261870A1 (ja) 2024-12-26
JPWO2024261870A1 (https=) 2024-12-26
JP2025001639A (ja) 2025-01-08

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