CN115136361A - 用于锂离子电池的各向异性的集电极及其制造方法与应用 - Google Patents

用于锂离子电池的各向异性的集电极及其制造方法与应用 Download PDF

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Publication number
CN115136361A
CN115136361A CN201980102526.1A CN201980102526A CN115136361A CN 115136361 A CN115136361 A CN 115136361A CN 201980102526 A CN201980102526 A CN 201980102526A CN 115136361 A CN115136361 A CN 115136361A
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China
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spherical metal
collector
metal particles
collector electrode
resin material
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Pending
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CN201980102526.1A
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English (en)
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张雅
程骞
蔡毅
李晨
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Hefei Gotion High Tech Power Energy Co Ltd
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Hefei Guoxuan High Tech Power Energy Co Ltd
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Publication of CN115136361A publication Critical patent/CN115136361A/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
    • H01M4/668—Composites of electroconductive material and synthetic resins
    • 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
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • 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
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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
    • H01M4/626—Metals
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Secondary Cells (AREA)

Abstract

一种用于锂离子电池的各向异性的集电极及其制造方法与应用，所述的集电极是由添加球形金属颗粒的树脂材料制成。所述集电极在X‑Y方向导电粒子未形成充分导电网络，但是在Z方向形成了较好的导电网络，在发生短路时，集电极在X‑Y方向上不容易激活多数的活性物质从而不易发生热失控，但是在Z方向上又可以充分的导电，使得电池可以正常的充放电，从而提高了电池安全性。

Description

PCT国内申请，说明书已公开。

Claims (12)

  1. PCT国内申请，权利要求书已公开。
CN201980102526.1A 2019-12-02 2019-12-02 用于锂离子电池的各向异性的集电极及其制造方法与应用 Pending CN115136361A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/122331 WO2021108944A1 (zh) 2019-12-02 2019-12-02 用于锂离子电池的各向异性的集电极及其制造方法与应用

Publications (1)

Publication Number Publication Date
CN115136361A true CN115136361A (zh) 2022-09-30

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CN201980102526.1A Pending CN115136361A (zh) 2019-12-02 2019-12-02 用于锂离子电池的各向异性的集电极及其制造方法与应用

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Country Link
US (1) US20220416253A1 (zh)
EP (1) EP4071862A4 (zh)
JP (1) JP2023503695A (zh)
CN (1) CN115136361A (zh)
WO (1) WO2021108944A1 (zh)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010257712A (ja) * 2009-04-23 2010-11-11 Nissan Motor Co Ltd 双極型電池用集電体
CN105098194A (zh) * 2015-06-12 2015-11-25 宁德时代新能源科技有限公司 集流体及使用该集流体的锂离子电池
CN108701811A (zh) * 2016-02-24 2018-10-23 日产自动车株式会社 锂离子二次电池用电极及其制造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5124953B2 (ja) * 2006-02-08 2013-01-23 日産自動車株式会社 バイポーラ電池、組電池およびこれらを搭載した車両
JP5386900B2 (ja) * 2008-09-18 2014-01-15 日産自動車株式会社 有機構造体を含む双極型リチウムイオン二次電池用集電体
JP2011233499A (ja) * 2010-04-09 2011-11-17 Panasonic Corp アルカリ蓄電池用電極およびアルカリ蓄電池
JP5400826B2 (ja) * 2011-04-08 2014-01-29 三井金属鉱業株式会社 複合金属箔およびその製造方法
US9601780B2 (en) * 2011-05-23 2017-03-21 Kaneka Corporation Multilayer conductive film, current collector using same, battery and bipolar battery
EP2851982A4 (en) * 2012-05-15 2016-01-13 Uacj Corp COLLECTOR, ELECTRODE STRUCTURE, NONAQUEOUS ELECTROLYTE BATTERY, AND ENERGY STORAGE COMPONENT, AND MANUFACTURER PRODUCTION METHOD
FR2993098B1 (fr) * 2012-07-09 2019-11-01 Commissariat A L'energie Atomique Et Aux Energies Alternatives Collecteur de courant pour batterie lithium
KR102069150B1 (ko) * 2013-03-26 2020-01-23 에스케이이노베이션 주식회사 이차전지용 집전체 및 이를 포함하는 이차전지
CN105378990B (zh) * 2013-07-08 2017-12-08 三洋化成工业株式会社 树脂集电体用分散剂、树脂集电体用材料和树脂集电体
JP7055059B2 (ja) * 2017-05-23 2022-04-15 三洋化成工業株式会社 樹脂集電体の製造方法、リチウムイオン電池用電極の製造方法、及び、リチウムイオン電池の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010257712A (ja) * 2009-04-23 2010-11-11 Nissan Motor Co Ltd 双極型電池用集電体
CN105098194A (zh) * 2015-06-12 2015-11-25 宁德时代新能源科技有限公司 集流体及使用该集流体的锂离子电池
CN108701811A (zh) * 2016-02-24 2018-10-23 日产自动车株式会社 锂离子二次电池用电极及其制造方法

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Publication number Publication date
WO2021108944A1 (zh) 2021-06-10
EP4071862A1 (en) 2022-10-12
EP4071862A4 (en) 2024-01-10
JP2023503695A (ja) 2023-01-31
US20220416253A1 (en) 2022-12-29

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