TWI456827B - 鋰離子二次電池負極集電體用之銅箔、鋰離子二次電池負極材及鋰離子二次電池負極集電體選定方法 - Google Patents

鋰離子二次電池負極集電體用之銅箔、鋰離子二次電池負極材及鋰離子二次電池負極集電體選定方法 Download PDF

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TWI456827B
TWI456827B TW100141443A TW100141443A TWI456827B TW I456827 B TWI456827 B TW I456827B TW 100141443 A TW100141443 A TW 100141443A TW 100141443 A TW100141443 A TW 100141443A TW I456827 B TWI456827 B TW I456827B
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Taiwan
Prior art keywords
lithium ion
ion secondary
negative electrode
copper foil
secondary battery
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TW100141443A
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English (en)
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TW201222959A (en
Inventor
Hideaki Matsushima
Sakiko Tomonaga
Koichi Miyake
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Mitsui Mining & Smelting Co
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Publication of TW201222959A publication Critical patent/TW201222959A/zh
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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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • 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
    • H01M4/04—Processes of manufacture in general
    • 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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49108—Electric battery cell making

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Claims (6)

  1. 一種鋰離子二次電池負極集電體用之銅箔，其特徵為以該銅箔所構成之10mm寬之試驗片供於拉伸試驗時之荷重伸長率曲線中，以原點設為O，以伸長率為EQ 時之荷重為PQ 時之該荷重-伸長率曲線上之點設為Q時，以下式(1)表示之L值為0.8以上之領域中，該試驗片供於上述拉伸試驗時之最大載荷荷重為30N以上， 惟，上述式(1)中，三角形OQEQ 意指該荷重-伸長率曲線中，以原點O、點Q及點EQ 分別作為頂點之三角形，又，領域OQEQ 意指該荷重-伸長率曲線中之曲線OQ、線段QEQ 和線段OEQ 所圍成之領域。
  2. 如申請專利範圍第1項之鋰離子二次電池負極集電體用之銅箔，其中，上述試驗片所載荷之荷重為30N以下範圍中，上述L值經常顯示0.8以上值。
  3. 如申請專利範圍第1項之鋰離子二次電池負極集電體用之銅箔，其中，當使用施以70℃~450℃之熱處理後之該銅箔作為上述試驗片時，上述L值為0.8以上之領域中，上述最大載荷荷重為30N以上。
  4. 一種鋰離子二次電池負極材，其特徵為以如申請專利範圍第1項之鋰離子二次電池負極集電體用之銅箔作為集電體，在該集電體之表面上具有含有負極活性物質之負極合劑層。
  5. 如申請專利範圍第4項之鋰離子二次電池負極材，其中，使用含有矽或錫之材料做為上述負極活性物質。
  6. 一種鋰離子二次電池負極集電體之選定方法，其係用以選定鋰離子二次電池負極集電體中所用之銅箔之鋰離子二次電池負極集電體之選定方法，其特徵為從選定候補之銅箔中選定如申請專利範圍第1項之鋰離子二次電池負極集電體用之銅箔作為集電體。
TW100141443A 2010-11-17 2011-11-14 鋰離子二次電池負極集電體用之銅箔、鋰離子二次電池負極材及鋰離子二次電池負極集電體選定方法 TWI456827B (zh)

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JP2010257177A JP5850611B2 (ja) 2010-11-17 2010-11-17 リチウムイオン二次電池負極集電体用の銅箔、リチウムイオン二次電池負極材及びリチウムイオン二次電池負極集電体選定方法。

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TWI456827B true TWI456827B (zh) 2014-10-11

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US (1) US20130288122A1 (zh)
JP (1) JP5850611B2 (zh)
KR (1) KR20130087042A (zh)
CN (1) CN103210533A (zh)
TW (1) TWI456827B (zh)
WO (1) WO2012066980A1 (zh)

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CN112652774A (zh) * 2019-10-11 2021-04-13 浙江大学 铜箔复合材料及其制备方法、负极极片和锂离子电池
CN113380977B (zh) * 2020-01-02 2024-07-12 宁德新能源科技有限公司 负极和包含其的电化学装置及电子装置
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JP5850611B2 (ja) 2016-02-03
KR20130087042A (ko) 2013-08-05
JP2012109122A (ja) 2012-06-07
US20130288122A1 (en) 2013-10-31
TW201222959A (en) 2012-06-01
WO2012066980A1 (ja) 2012-05-24
CN103210533A (zh) 2013-07-17

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