JP7766349B2 - リチウムイオン二次電池用の負極合剤、およびリチウムイオン二次電池 - Google Patents

リチウムイオン二次電池用の負極合剤、およびリチウムイオン二次電池

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Publication number
JP7766349B2
JP7766349B2 JP2022552081A JP2022552081A JP7766349B2 JP 7766349 B2 JP7766349 B2 JP 7766349B2 JP 2022552081 A JP2022552081 A JP 2022552081A JP 2022552081 A JP2022552081 A JP 2022552081A JP 7766349 B2 JP7766349 B2 JP 7766349B2
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negative electrode
silicon particles
amorphous silicon
electrode mixture
ion secondary
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JPWO2022065450A1 (https=
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幸仁 中山
純平 岡田
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Tohoku University NUC
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Tohoku University NUC
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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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—Silicon
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—Silicon
    • C01B33/021—Preparation
    • 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
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
    • H01M10/0562—Solid materials
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/02—Amorphous compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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
    • 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
    • C01P2006/90—Other properties not specified above
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0068—Solid electrolytes inorganic
    • 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
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/40—Alloys based on alkali metals
    • H01M4/405—Alloys based on lithium
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
JP2022552081A 2020-09-25 2021-09-24 リチウムイオン二次電池用の負極合剤、およびリチウムイオン二次電池 Active JP7766349B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020160616 2020-09-25
JP2020160616 2020-09-25
PCT/JP2021/035172 WO2022065450A1 (ja) 2020-09-25 2021-09-24 リチウムイオン二次電池用の負極合剤、およびリチウムイオン二次電池

Publications (2)

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JPWO2022065450A1 JPWO2022065450A1 (https=) 2022-03-31
JP7766349B2 true JP7766349B2 (ja) 2025-11-10

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Country Status (5)

Country Link
US (1) US20230343941A1 (https=)
EP (1) EP4220769A4 (https=)
JP (1) JP7766349B2 (https=)
CN (1) CN116235312A (https=)
WO (1) WO2022065450A1 (https=)

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
CN116692871B (zh) * 2023-06-30 2025-08-26 中铝郑州有色金属研究院有限公司 一种利用玻璃空心微珠制备多孔空心硅球的方法及其应用

Citations (9)

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US20110287318A1 (en) 2010-05-24 2011-11-24 Amprius, Inc. Multidimensional electrochemically active structures for battery electrodes
JP2013538777A (ja) 2010-09-03 2013-10-17 ネグゼオン・リミテッド 多孔性電極活性材料
JP2013235811A (ja) 2011-12-07 2013-11-21 Semiconductor Energy Lab Co Ltd リチウム二次電池用負極及びリチウム二次電池並びにその製造方法
JP2015504568A (ja) 2011-10-06 2015-02-12 ネグゼオン・リミテッドＮｅｘｅｏｎ Ｌｔｄ エッチングされたシリコン構造、エッチングされたシリコン構造を形成する方法及びそれらの使用
JP2017503308A (ja) 2013-12-03 2017-01-26 ネクソン リミテッドＮｅｘｅｏｎ Ｌｉｍｉｔｅｄ 金属イオン電池用電極
JP2018524246A (ja) 2016-02-17 2018-08-30 ワッカー ケミー アクチエンゲゼルシャフトＷａｃｋｅｒ Ｃｈｅｍｉｅ ＡＧ 複合コア−シェル粒子
JP2020066574A (ja) 2018-10-25 2020-04-30 三星電子株式会社Samsung Electronics Co., Ltd. 多孔性シリコン含有複合体、それを利用した炭素複合体、それを含んだ、電極、リチウム電池及び電子素子
CN111628162A (zh) 2020-07-06 2020-09-04 马鞍山科达普锐能源科技有限公司 一种锂离子电池用多孔硅负极材料及其制备方法
WO2020194794A1 (ja) 2019-03-26 2020-10-01 国立大学法人東北大学 多孔質アモルファスシリコン、多孔質アモルファスシリコンの製造方法および二次電池

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US20060040182A1 (en) * 2003-03-26 2006-02-23 Canon Kabushiki Kaisha Electrode material for lithium secondary battery and electrode structure having the electrode material
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KR20150117545A (ko) * 2014-04-10 2015-10-20 삼성에스디아이 주식회사 음극 활물질, 그 제조방법 및 이를 포함한 리튬 이차 전지
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110287318A1 (en) 2010-05-24 2011-11-24 Amprius, Inc. Multidimensional electrochemically active structures for battery electrodes
JP2013538777A (ja) 2010-09-03 2013-10-17 ネグゼオン・リミテッド 多孔性電極活性材料
JP2015504568A (ja) 2011-10-06 2015-02-12 ネグゼオン・リミテッドＮｅｘｅｏｎ Ｌｔｄ エッチングされたシリコン構造、エッチングされたシリコン構造を形成する方法及びそれらの使用
JP2013235811A (ja) 2011-12-07 2013-11-21 Semiconductor Energy Lab Co Ltd リチウム二次電池用負極及びリチウム二次電池並びにその製造方法
JP2017503308A (ja) 2013-12-03 2017-01-26 ネクソン リミテッドＮｅｘｅｏｎ Ｌｉｍｉｔｅｄ 金属イオン電池用電極
JP2018524246A (ja) 2016-02-17 2018-08-30 ワッカー ケミー アクチエンゲゼルシャフトＷａｃｋｅｒ Ｃｈｅｍｉｅ ＡＧ 複合コア−シェル粒子
JP2020066574A (ja) 2018-10-25 2020-04-30 三星電子株式会社Samsung Electronics Co., Ltd. 多孔性シリコン含有複合体、それを利用した炭素複合体、それを含んだ、電極、リチウム電池及び電子素子
WO2020194794A1 (ja) 2019-03-26 2020-10-01 国立大学法人東北大学 多孔質アモルファスシリコン、多孔質アモルファスシリコンの製造方法および二次電池
CN111628162A (zh) 2020-07-06 2020-09-04 马鞍山科达普锐能源科技有限公司 一种锂离子电池用多孔硅负极材料及其制备方法

Also Published As

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JPWO2022065450A1 (https=) 2022-03-31
WO2022065450A1 (ja) 2022-03-31
US20230343941A1 (en) 2023-10-26
EP4220769A4 (en) 2025-05-21
CN116235312A (zh) 2023-06-06
EP4220769A1 (en) 2023-08-02

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