CN120530510A - 二次电池 - Google Patents

二次电池

Info

Publication number
CN120530510A
CN120530510A CN202480009778.0A CN202480009778A CN120530510A CN 120530510 A CN120530510 A CN 120530510A CN 202480009778 A CN202480009778 A CN 202480009778A CN 120530510 A CN120530510 A CN 120530510A
Authority
CN
China
Prior art keywords
negative electrode
positive electrode
edge portion
current collector
silicon
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
CN202480009778.0A
Other languages
English (en)
Chinese (zh)
Inventor
吉成梨乃
石黑祐
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 New Energy Co ltd
Original Assignee
Panasonic New Energy 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 New Energy Co ltd filed Critical Panasonic New Energy Co ltd
Publication of CN120530510A publication Critical patent/CN120530510A/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
    • H01M10/04—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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • 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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
    • 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
    • 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)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
CN202480009778.0A 2023-01-31 2024-01-11 二次电池 Pending CN120530510A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023013064 2023-01-31
JP2023-013064 2023-01-31
PCT/JP2024/000509 WO2024161939A1 (ja) 2023-01-31 2024-01-11 二次電池

Publications (1)

Publication Number Publication Date
CN120530510A true CN120530510A (zh) 2025-08-22

Family

ID=92146535

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202480009778.0A Pending CN120530510A (zh) 2023-01-31 2024-01-11 二次电池

Country Status (5)

Country Link
EP (1) EP4661145A4 (https=)
JP (1) JPWO2024161939A1 (https=)
CN (1) CN120530510A (https=)
TW (1) TW202441834A (https=)
WO (1) WO2024161939A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026070042A1 (ja) * 2024-09-30 2026-04-02 パナソニックＩｐマネジメント株式会社 円筒形二次電池

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015191879A (ja) * 2014-03-31 2015-11-02 株式会社日立製作所 捲回型二次電池
JP6401589B2 (ja) * 2014-11-28 2018-10-10 日立オートモティブシステムズ株式会社 リチウム二次電池
JP2018106903A (ja) * 2016-12-26 2018-07-05 トヨタ自動車株式会社 リチウムイオン二次電池
WO2020045375A1 (ja) 2018-08-31 2020-03-05 パナソニックＩｐマネジメント株式会社 電気化学デバイス
CN117043979A (zh) * 2021-03-31 2023-11-10 松下知识产权经营株式会社 二次电池用电极、二次电池和二次电池用电极的制造方法

Also Published As

Publication number Publication date
JPWO2024161939A1 (https=) 2024-08-08
WO2024161939A1 (ja) 2024-08-08
EP4661145A4 (en) 2026-04-29
EP4661145A1 (en) 2025-12-10
TW202441834A (zh) 2024-10-16

Similar Documents

Publication Publication Date Title
KR102822512B1 (ko) 부극 활물질, 혼합 부극 활물질, 수계 부극 슬러리 조성물 및 부극 활물질의 제조 방법
KR102309192B1 (ko) 비수전해질 이차 전지용 부극재 및 부극 활물질 입자의 제조 방법
TWI708422B (zh) 非水電解質二次電池用負極活性物質、非水電解質二次電池、非水電解質二次電池用負極材料的製造方法、以及非水電解質二次電池的製造方法
US10476081B2 (en) Positive electrode material mixture and secondary battery including the same
KR102236723B1 (ko) 비수전해질 이차 전지용 부극 및 비수전해질 이차 전지
JP5882516B2 (ja) リチウム二次電池
TWI714758B (zh) 負極活性物質、混合負極活性物質材料、及負極活性物質的製造方法
CN108718535B (zh) 负极活性物质、负极活性物质的制造方法、及包含负极活性物质的材料和锂离子二次电池
KR102787408B1 (ko) 부극 활물질, 혼합 부극 활물질 재료, 비수전해질 이차 전지용 부극, 리튬 이온 이차 전지 및 부극 활물질의 제조 방법
CN108463910B (zh) 负极活性物质及其制造方法、非水电解质二次电池用负极、锂离子二次电池及其制造方法
CN113646921B (zh) 非水电解质二次电池
CN113646262B (zh) 非水电解质二次电池
WO2017085902A1 (ja) 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、及び負極活物質の製造方法
CN106537665A (zh) 用于锂电池的阴极
KR102843314B1 (ko) 이차전지용 음극, 음극용 슬러리 및 음극의 제조 방법
KR20130106687A (ko) 음극 활물질 및 이를 포함하는 리튬 전지
US12087942B2 (en) Nonaqueous electrolyte secondary battery
US20240088366A1 (en) Negative electrode and secondary battery including the same
CN115039252A (zh) 非水电解质二次电池用负极和非水电解质二次电池
CN117957666A (zh) 正极和包括该正极的二次电池
CN113632261B (zh) 非水电解质二次电池用负极及非水电解质二次电池
JP2011070802A (ja) 非水電解質二次電池
EP4113650A1 (en) Negative electrode for nonaqueous-electrolyte secondary battery, and nonaqueous-electrolyte secondary battery
CN120530510A (zh) 二次电池
US20250132345A1 (en) Non-aqueous electrolyte secondary battery

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination