JP7494948B2 - 二次電池、電子機器及び電動工具 - Google Patents

二次電池、電子機器及び電動工具 Download PDF

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Publication number
JP7494948B2
JP7494948B2 JP2022578298A JP2022578298A JP7494948B2 JP 7494948 B2 JP7494948 B2 JP 7494948B2 JP 2022578298 A JP2022578298 A JP 2022578298A JP 2022578298 A JP2022578298 A JP 2022578298A JP 7494948 B2 JP7494948 B2 JP 7494948B2
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JP
Japan
Prior art keywords
negative electrode
active material
electrode active
positive electrode
separator
Prior art date
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Active
Application number
JP2022578298A
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English (en)
Japanese (ja)
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JPWO2022163480A1 (https=
Inventor
彬 大谷
彩 松塚
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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.)
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Publication date
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Publication of JPWO2022163480A1 publication Critical patent/JPWO2022163480A1/ja
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Publication of JP7494948B2 publication Critical patent/JP7494948B2/ja
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    • 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
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • 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
    • H01M10/0431—Cells with wound or folded electrodes
    • 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
    • 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
    • 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
    • H01M10/0587—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
    • 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
    • H01M50/50—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)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Connection Of Batteries Or Terminals (AREA)
JP2022578298A 2021-01-26 2022-01-20 二次電池、電子機器及び電動工具 Active JP7494948B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021010583 2021-01-26
JP2021010583 2021-01-26
PCT/JP2022/001900 WO2022163480A1 (ja) 2021-01-26 2022-01-20 二次電池、電子機器及び電動工具

Publications (2)

Publication Number Publication Date
JPWO2022163480A1 JPWO2022163480A1 (https=) 2022-08-04
JP7494948B2 true JP7494948B2 (ja) 2024-06-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022578298A Active JP7494948B2 (ja) 2021-01-26 2022-01-20 二次電池、電子機器及び電動工具

Country Status (4)

Country Link
US (1) US20230335863A1 (https=)
JP (1) JP7494948B2 (https=)
CN (1) CN116745950A (https=)
WO (1) WO2022163480A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007335156A (ja) 2006-06-13 2007-12-27 Honda Motor Co Ltd 蓄電素子
JP2012009249A (ja) 2010-06-24 2012-01-12 Toyota Motor Corp 電池
WO2021177149A1 (ja) 2020-03-06 2021-09-10 株式会社村田製作所 二次電池、電子機器及び電動工具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101023865B1 (ko) * 2009-02-25 2011-03-22 에스비리모티브 주식회사 이차 전지
JP5456542B2 (ja) * 2010-04-01 2014-04-02 日立ビークルエナジー株式会社 角形二次電池および角形二次電池の製造方法
JP6232849B2 (ja) * 2012-09-26 2017-11-22 株式会社Ｇｓユアサ 蓄電素子
JP6146232B2 (ja) * 2013-09-20 2017-06-14 三菱自動車工業株式会社 二次電池
CN104993168A (zh) * 2015-06-17 2015-10-21 河南力源电池有限公司 一种高容量9v可充锂电池及工艺制作方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007335156A (ja) 2006-06-13 2007-12-27 Honda Motor Co Ltd 蓄電素子
JP2012009249A (ja) 2010-06-24 2012-01-12 Toyota Motor Corp 電池
WO2021177149A1 (ja) 2020-03-06 2021-09-10 株式会社村田製作所 二次電池、電子機器及び電動工具

Also Published As

Publication number Publication date
JPWO2022163480A1 (https=) 2022-08-04
US20230335863A1 (en) 2023-10-19
WO2022163480A1 (ja) 2022-08-04
CN116745950A (zh) 2023-09-12

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