JP7718488B2 - 二次電池用負極および二次電池 - Google Patents

二次電池用負極および二次電池

Info

Publication number
JP7718488B2
JP7718488B2 JP2023535212A JP2023535212A JP7718488B2 JP 7718488 B2 JP7718488 B2 JP 7718488B2 JP 2023535212 A JP2023535212 A JP 2023535212A JP 2023535212 A JP2023535212 A JP 2023535212A JP 7718488 B2 JP7718488 B2 JP 7718488B2
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JP
Japan
Prior art keywords
negative electrode
portions
secondary battery
average fiber
fiber diameter
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
JP2023535212A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023286579A5 (https=
JPWO2023286579A1 (https=
Inventor
陽祐 古池
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
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Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of JPWO2023286579A1 publication Critical patent/JPWO2023286579A1/ja
Publication of JPWO2023286579A5 publication Critical patent/JPWO2023286579A5/ja
Application granted granted Critical
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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
    • 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
    • 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
    • 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
    • H01M4/58—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
    • 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/44—Fibrous material
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
JP2023535212A 2021-07-13 2022-06-27 二次電池用負極および二次電池 Active JP7718488B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021115818 2021-07-13
JP2021115818 2021-07-13
PCT/JP2022/025504 WO2023286579A1 (ja) 2021-07-13 2022-06-27 二次電池用負極および二次電池

Publications (3)

Publication Number Publication Date
JPWO2023286579A1 JPWO2023286579A1 (https=) 2023-01-19
JPWO2023286579A5 JPWO2023286579A5 (https=) 2024-04-12
JP7718488B2 true JP7718488B2 (ja) 2025-08-05

Family

ID=84920020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023535212A Active JP7718488B2 (ja) 2021-07-13 2022-06-27 二次電池用負極および二次電池

Country Status (4)

Country Link
US (1) US20240154101A1 (https=)
JP (1) JP7718488B2 (https=)
CN (1) CN117616595A (https=)
WO (1) WO2023286579A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023084733A (ja) * 2021-12-08 2023-06-20 Fdk株式会社 固体電池及び固体電池の製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010525549A (ja) 2007-04-23 2010-07-22 アプライド・サイエンシズ・インコーポレーテッド ケイ素を炭素材料へ蒸着しリチウムイオン電池用アノードを形成する方法
JP2010232077A (ja) 2009-03-27 2010-10-14 Toyota Industries Corp 非水系二次電池用電極およびその製造方法
JP2012119079A (ja) 2010-11-29 2012-06-21 Hiramatsu Sangyo Kk 負極活物質、負極製造方法、負極、及び二次電池
JP2015528985A (ja) 2012-07-03 2015-10-01 キャタリスト パワー テクノロジーズ インコーポレイテッドＣａｔａｌｙｓｔ Ｐｏｗｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ， Ｉｎｃ． 支持フィラメントを含むハイブリッドエネルギー貯蔵デバイス
JP2020087627A (ja) 2018-11-21 2020-06-04 トヨタ自動車株式会社 全固体電池用負極活物質複合体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08273660A (ja) * 1995-03-31 1996-10-18 Toray Ind Inc 電極およびそれを用いた二次電池

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010525549A (ja) 2007-04-23 2010-07-22 アプライド・サイエンシズ・インコーポレーテッド ケイ素を炭素材料へ蒸着しリチウムイオン電池用アノードを形成する方法
JP2010232077A (ja) 2009-03-27 2010-10-14 Toyota Industries Corp 非水系二次電池用電極およびその製造方法
JP2012119079A (ja) 2010-11-29 2012-06-21 Hiramatsu Sangyo Kk 負極活物質、負極製造方法、負極、及び二次電池
JP2015528985A (ja) 2012-07-03 2015-10-01 キャタリスト パワー テクノロジーズ インコーポレイテッドＣａｔａｌｙｓｔ Ｐｏｗｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ， Ｉｎｃ． 支持フィラメントを含むハイブリッドエネルギー貯蔵デバイス
JP2020087627A (ja) 2018-11-21 2020-06-04 トヨタ自動車株式会社 全固体電池用負極活物質複合体

Also Published As

Publication number Publication date
CN117616595A (zh) 2024-02-27
US20240154101A1 (en) 2024-05-09
WO2023286579A1 (ja) 2023-01-19
JPWO2023286579A1 (https=) 2023-01-19

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