CN114927643B - 一种负极极片及其制备方法和用途 - Google Patents

一种负极极片及其制备方法和用途 Download PDF

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Publication number
CN114927643B
CN114927643B CN202210426192.7A CN202210426192A CN114927643B CN 114927643 B CN114927643 B CN 114927643B CN 202210426192 A CN202210426192 A CN 202210426192A CN 114927643 B CN114927643 B CN 114927643B
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China
Prior art keywords
negative electrode
electrode layer
binder
current collector
graphite
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CN202210426192.7A
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English (en)
Chinese (zh)
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CN114927643A (zh
Inventor
李峥
冯玉川
沈志鹏
陈凯
何泓材
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Suzhou Qingtao New Energy S&T Co Ltd
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Suzhou Qingtao New Energy S&T Co Ltd
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Priority to CN202210426192.7A priority Critical patent/CN114927643B/zh
Priority to PCT/CN2022/100402 priority patent/WO2023201871A1/fr
Publication of CN114927643A publication Critical patent/CN114927643A/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
    • H01M4/13—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
    • 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
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of 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
    • H01M4/36—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
    • 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)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
CN202210426192.7A 2022-04-21 2022-04-21 一种负极极片及其制备方法和用途 Active CN114927643B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202210426192.7A CN114927643B (zh) 2022-04-21 2022-04-21 一种负极极片及其制备方法和用途
PCT/CN2022/100402 WO2023201871A1 (fr) 2022-04-21 2022-06-22 Plaque d'électrode négative, son procédé de préparation et son utilisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210426192.7A CN114927643B (zh) 2022-04-21 2022-04-21 一种负极极片及其制备方法和用途

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CN114927643A CN114927643A (zh) 2022-08-19
CN114927643B true CN114927643B (zh) 2023-07-18

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CN (1) CN114927643B (fr)
WO (1) WO2023201871A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024064464A2 (fr) * 2022-08-26 2024-03-28 Apple Inc. Anodes ayant des couches doubles destinées à être utilisées dans des batteries lithium-ion
CN118281161A (zh) * 2022-12-30 2024-07-02 比亚迪股份有限公司 负极极片及其制备方法和锂离子电池和电动车辆
CN117133880A (zh) * 2023-01-19 2023-11-28 荣耀终端有限公司 一种电池以及电子设备
CN117133861B (zh) * 2023-10-27 2024-06-21 宁德时代新能源科技股份有限公司 负极极片、电池单体和用电装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107785535A (zh) * 2016-08-26 2018-03-09 株式会社Lg 化学 用于锂二次电池的负极和包含它的锂二次电池
CN113013379A (zh) * 2021-03-08 2021-06-22 昆山宝创新能源科技有限公司 一种负极极片及其制备方法、锂离子电池
CN113991063A (zh) * 2021-10-08 2022-01-28 苏州清陶新能源科技有限公司 一种电池负极的制备方法及锂电池

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5998870B2 (ja) * 2012-11-16 2016-09-28 株式会社豊田自動織機 蓄電装置用負極材料、蓄電装置用負極ならびに蓄電装置
JP7358229B2 (ja) * 2019-12-23 2023-10-10 パナソニックホールディングス株式会社 非水電解質二次電池用負極及び非水電解質二次電池
KR20210123480A (ko) * 2020-04-03 2021-10-14 주식회사 엘지에너지솔루션 이차전지용 음극 및 이를 포함하는 이차전지

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107785535A (zh) * 2016-08-26 2018-03-09 株式会社Lg 化学 用于锂二次电池的负极和包含它的锂二次电池
CN113013379A (zh) * 2021-03-08 2021-06-22 昆山宝创新能源科技有限公司 一种负极极片及其制备方法、锂离子电池
CN113991063A (zh) * 2021-10-08 2022-01-28 苏州清陶新能源科技有限公司 一种电池负极的制备方法及锂电池

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WO2023201871A1 (fr) 2023-10-26

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