JP7748446B2 - 非水電解質二次電池用負極、及び非水電解質二次電池 - Google Patents

非水電解質二次電池用負極、及び非水電解質二次電池

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Publication number
JP7748446B2
JP7748446B2 JP2023500722A JP2023500722A JP7748446B2 JP 7748446 B2 JP7748446 B2 JP 7748446B2 JP 2023500722 A JP2023500722 A JP 2023500722A JP 2023500722 A JP2023500722 A JP 2023500722A JP 7748446 B2 JP7748446 B2 JP 7748446B2
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Prior art keywords
negative electrode
graphite particles
electrode mixture
aqueous electrolyte
mixture layer
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JP2023500722A
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Japanese (ja)
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JPWO2022176650A5 (https=
JPWO2022176650A1 (https=
Inventor
敬光 田下
晶大 加藤木
文一 水越
俊行 中森
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Panasonic Energy Co Ltd
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Panasonic Energy Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • 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
    • 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
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • 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
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • 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
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/21—Attrition-index or crushing strength of granulates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • 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
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
JP2023500722A 2021-02-18 2022-02-04 非水電解質二次電池用負極、及び非水電解質二次電池 Active JP7748446B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021023988 2021-02-18
JP2021023988 2021-02-18
PCT/JP2022/004496 WO2022176650A1 (ja) 2021-02-18 2022-02-04 非水電解質二次電池用負極、及び非水電解質二次電池

Publications (3)

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JPWO2022176650A1 JPWO2022176650A1 (https=) 2022-08-25
JPWO2022176650A5 JPWO2022176650A5 (https=) 2023-11-09
JP7748446B2 true JP7748446B2 (ja) 2025-10-02

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JP2023500722A Active JP7748446B2 (ja) 2021-02-18 2022-02-04 非水電解質二次電池用負極、及び非水電解質二次電池

Country Status (5)

Country Link
US (1) US20240145681A1 (https=)
EP (1) EP4297120A4 (https=)
JP (1) JP7748446B2 (https=)
CN (1) CN116830292A (https=)
WO (1) WO2022176650A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4443533A4 (en) * 2021-11-30 2026-02-25 Panasonic Ip Man Co Ltd SECONDARY LITHIUM-ION BATTERY
JP7756682B2 (ja) * 2023-06-09 2025-10-20 プライムプラネットエナジー＆ソリューションズ株式会社 蓄電デバイス
WO2025070555A1 (ja) * 2023-09-29 2025-04-03 パナソニックＩｐマネジメント株式会社 非水電解質二次電池
CN117855388A (zh) * 2024-01-09 2024-04-09 浙江极氪智能科技有限公司 一种负极片及其制备方法、锂离子电池及汽车
WO2026079122A1 (ja) * 2024-10-10 2026-04-16 パナソニックＩｐマネジメント株式会社 二次電池用負極及び二次電池

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009164013A (ja) 2008-01-08 2009-07-23 Sony Corp 負極および電池
JP2009176494A (ja) 2008-01-23 2009-08-06 Sony Corp 負極および二次電池
JP2013089327A (ja) 2011-10-14 2013-05-13 Hitachi Ltd 二次電池用負極、二次電池用負極を用いた非水電解質二次電池
JP2017062911A (ja) 2015-09-24 2017-03-30 株式会社Ｇｓユアサ 非水電解質二次電池用電極、及び非水電解質二次電池

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011175842A (ja) 2010-02-24 2011-09-08 Hitachi Chem Co Ltd リチウム電池用負極材、リチウム二次電池用負極及びリチウム電池
JP5927823B2 (ja) 2010-12-28 2016-06-01 日立化成株式会社 リチウムイオン二次電池用負極材及びその製造方法、リチウムイオン二次電池用負極、並びにリチウムイオン二次電池
JP6422208B2 (ja) * 2013-09-27 2018-11-14 三菱ケミカル株式会社 非水系二次電池負極用炭素材、それを用いた非水系二次電池用負極及び非水系二次電池
JPWO2018047939A1 (ja) * 2016-09-09 2019-06-24 昭和電工株式会社 リチウムイオン二次電池用負極材
KR102308943B1 (ko) * 2017-05-15 2021-10-01 주식회사 엘지에너지솔루션 이중층 구조의 활물질층을 포함하는 음극, 이의 제조방법 및 이를 포함하는 이차전지
CN111344884B (zh) * 2018-03-30 2023-09-29 松下控股株式会社 非水电解质二次电池用负极和非水电解质二次电池

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009164013A (ja) 2008-01-08 2009-07-23 Sony Corp 負極および電池
JP2009176494A (ja) 2008-01-23 2009-08-06 Sony Corp 負極および二次電池
JP2013089327A (ja) 2011-10-14 2013-05-13 Hitachi Ltd 二次電池用負極、二次電池用負極を用いた非水電解質二次電池
JP2017062911A (ja) 2015-09-24 2017-03-30 株式会社Ｇｓユアサ 非水電解質二次電池用電極、及び非水電解質二次電池

Also Published As

Publication number Publication date
WO2022176650A1 (ja) 2022-08-25
CN116830292A (zh) 2023-09-29
US20240145681A1 (en) 2024-05-02
EP4297120A4 (en) 2025-02-12
EP4297120A1 (en) 2023-12-27
JPWO2022176650A1 (https=) 2022-08-25

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