CN121569387A - 锂二次电池和分隔件 - Google Patents

锂二次电池和分隔件

Info

Publication number
CN121569387A
CN121569387A CN202480049046.4A CN202480049046A CN121569387A CN 121569387 A CN121569387 A CN 121569387A CN 202480049046 A CN202480049046 A CN 202480049046A CN 121569387 A CN121569387 A CN 121569387A
Authority
CN
China
Prior art keywords
region
separator
convex portion
pattern
negative electrode
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.)
Pending
Application number
CN202480049046.4A
Other languages
English (en)
Chinese (zh)
Inventor
宫前亮平
近藤真一郎
蚊野聪
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management 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.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of CN121569387A publication Critical patent/CN121569387A/zh
Pending legal-status Critical Current

Links

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
    • H01M10/058—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
    • H01M4/36—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
    • 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
    • H01M50/463—Separators, membranes or diaphragms characterised by their shape
    • 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
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • 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)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)
CN202480049046.4A 2023-07-27 2024-06-17 锂二次电池和分隔件 Pending CN121569387A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023-122847 2023-07-27
JP2023122847 2023-07-27
PCT/JP2024/021921 WO2025022868A1 (ja) 2023-07-27 2024-06-17 リチウム二次電池およびセパレータ

Publications (1)

Publication Number Publication Date
CN121569387A true CN121569387A (zh) 2026-02-24

Family

ID=94374956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202480049046.4A Pending CN121569387A (zh) 2023-07-27 2024-06-17 锂二次电池和分隔件

Country Status (3)

Country Link
JP (1) JPWO2025022868A1 (https=)
CN (1) CN121569387A (https=)
WO (1) WO2025022868A1 (https=)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5438865B1 (ja) * 2013-07-31 2014-03-12 株式会社ギャラキシー 電池のセパレータ
JP2015201404A (ja) * 2014-04-10 2015-11-12 株式会社豊田自動織機 電池用のセパレータ
JP7053512B2 (ja) * 2019-01-29 2022-04-12 古河電池株式会社 鉛蓄電池
CN115336076B (zh) 2020-03-27 2026-03-03 松下知识产权经营株式会社 锂二次电池
JP7820110B2 (ja) * 2021-07-30 2026-02-25 旭化成株式会社 鉛蓄電池用セパレータおよび鉛蓄電池
CN218548713U (zh) * 2022-11-30 2023-02-28 宁德时代新能源科技股份有限公司 隔离件、电极组件、电池单体、电池及用电装置
EP4645505A4 (en) * 2022-12-27 2026-04-22 Panasonic Ip Man Co Ltd SECONDARY LITHIUM BATTERY AND SEPARATOR

Also Published As

Publication number Publication date
JPWO2025022868A1 (https=) 2025-01-30
WO2025022868A1 (ja) 2025-01-30

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