JP7396481B2 - 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
JP7396481B2
JP7396481B2 JP2022530105A JP2022530105A JP7396481B2 JP 7396481 B2 JP7396481 B2 JP 7396481B2 JP 2022530105 A JP2022530105 A JP 2022530105A JP 2022530105 A JP2022530105 A JP 2022530105A JP 7396481 B2 JP7396481 B2 JP 7396481B2
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positive electrode
negative electrode
tab
foil
electrode
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Japanese (ja)
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JPWO2021251121A1 (https=
JPWO2021251121A5 (https=
Inventor
利一 中村
耕司 澁谷
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Murata Manufacturing Co Ltd
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Murata Manufacturing Co Ltd
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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
    • H01M50/50—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
    • H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
    • 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
    • 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
    • H01M4/134—Electrodes based on metals, Si or alloys
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • 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
    • 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
    • H01M50/534—Electrode connections inside a battery casing characterised by the material 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
    • 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
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/543—Terminals
    • H01M50/564—Terminals characterised by their manufacturing process
    • H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • 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

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  • 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)
  • Inorganic Chemistry (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Electrode And Active Subsutance (AREA)
JP2022530105A 2020-06-09 2021-05-24 二次電池、電子機器及び電動工具 Active JP7396481B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020100252 2020-06-09
JP2020100252 2020-06-09
PCT/JP2021/019556 WO2021251121A1 (ja) 2020-06-09 2021-05-24 二次電池、電子機器及び電動工具

Publications (3)

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JPWO2021251121A1 JPWO2021251121A1 (https=) 2021-12-16
JPWO2021251121A5 JPWO2021251121A5 (https=) 2023-01-24
JP7396481B2 true JP7396481B2 (ja) 2023-12-12

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JP2022530105A Active JP7396481B2 (ja) 2020-06-09 2021-05-24 二次電池、電子機器及び電動工具

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US (1) US12362441B2 (https=)
JP (1) JP7396481B2 (https=)
CN (1) CN115699441B (https=)
DE (1) DE112021003195B4 (https=)
WO (1) WO2021251121A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240258555A1 (en) * 2021-05-25 2024-08-01 Panasonic Energy Co., Ltd. Non-aqueous electrolyte secondary battery
CN116686157A (zh) * 2021-08-31 2023-09-01 宁德时代新能源科技股份有限公司 卷绕式电极组件、电池单体、电池及用电设备
WO2024203324A1 (ja) * 2023-03-28 2024-10-03 株式会社村田製作所 二次電池
CN121713309A (zh) * 2023-08-30 2026-03-20 松下知识产权经营株式会社 非水电解质二次电池
KR20260015009A (ko) * 2024-07-24 2026-02-02 삼성에스디아이 주식회사 전극 조립체 및 이를 포함하는 버튼 전지

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009129553A (ja) 2007-11-20 2009-06-11 Sony Corp 電池
JP2011070916A (ja) 2009-09-25 2011-04-07 Toshiba Corp 電極及び非水電解液電池
WO2017159094A1 (ja) 2016-03-17 2017-09-21 日立オートモティブシステムズ株式会社 二次電池
WO2018180828A1 (ja) 2017-03-29 2018-10-04 三洋電機株式会社 円筒形電池
WO2019049485A1 (ja) 2017-09-11 2019-03-14 パナソニックＩｐマネジメント株式会社 二次電池

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JPS5770666U (https=) * 1980-10-16 1982-04-28
JPH07192717A (ja) * 1993-12-24 1995-07-28 Sony Corp 非水電解液二次電池
JP5231026B2 (ja) 2008-01-10 2013-07-10 日立ビークルエナジー株式会社 電池モジュール
CN201918464U (zh) * 2010-12-29 2011-08-03 宁波伊司达锂电池有限公司 高倍率圆柱型锂离子电池
WO2012105362A1 (ja) * 2011-02-03 2012-08-09 三洋電機株式会社 非水電解液二次電池
DE102011016277B4 (de) 2011-04-06 2013-02-21 Heraeus Medical Gmbh Plastisch verformbares, biodegradierbares Hämostyptikum und Verfahren zum Formen eines solchen
CN202050030U (zh) * 2011-05-20 2011-11-23 无锡市明杨电池有限公司 一种具有高倍率放电特性的锂离子电池
JP5470335B2 (ja) 2011-07-19 2014-04-16 株式会社日立製作所 捲回式二次電池
KR102283959B1 (ko) 2015-03-05 2021-07-30 삼성에스디아이 주식회사 배터리 팩
WO2018097213A1 (ja) * 2016-11-22 2018-05-31 三菱ケミカル株式会社 非水系二次電池用負極材、非水系二次電池用負極及び非水系二次電池
KR20180113693A (ko) * 2017-04-07 2018-10-17 주식회사 엘지화학 용접성이 향상된 전극 탭을 포함하는 전지셀
KR102366429B1 (ko) * 2017-09-08 2022-02-23 주식회사 엘지에너지솔루션 전극탭의 용접 특성을 개선한 전극 및 이를 포함하는 이차전지
HUE072602T2 (hu) * 2018-07-20 2025-11-28 Lg Energy Solution Ltd Elektródszerelvény és azt tartalmazó akkumulátor
DE102018218359A1 (de) 2018-10-26 2020-04-30 Robert Bosch Gmbh Verfahren zur Ausbildung einer Verbindung zwischen einer Batteriezelle und einem Gehäuseelement eines Batteriemoduls sowie Batteriemodul
JP7649736B2 (ja) * 2018-11-05 2025-03-21 テスラ，インコーポレイテッド タブレス構造電極を有するセル

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009129553A (ja) 2007-11-20 2009-06-11 Sony Corp 電池
JP2011070916A (ja) 2009-09-25 2011-04-07 Toshiba Corp 電極及び非水電解液電池
WO2017159094A1 (ja) 2016-03-17 2017-09-21 日立オートモティブシステムズ株式会社 二次電池
WO2018180828A1 (ja) 2017-03-29 2018-10-04 三洋電機株式会社 円筒形電池
WO2019049485A1 (ja) 2017-09-11 2019-03-14 パナソニックＩｐマネジメント株式会社 二次電池

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Publication number Publication date
CN115699441A (zh) 2023-02-03
US12362441B2 (en) 2025-07-15
CN115699441B (zh) 2026-03-13
JPWO2021251121A1 (https=) 2021-12-16
DE112021003195B4 (de) 2025-08-21
DE112021003195T5 (de) 2023-04-20
WO2021251121A1 (ja) 2021-12-16
US20230102083A1 (en) 2023-03-30

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