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CN113906593A - 正极材料、包括其的电化学装置和电子装置及制备该正极材料的方法 - Google Patents

正极材料、包括其的电化学装置和电子装置及制备该正极材料的方法 Download PDF

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Publication number
CN113906593A
CN113906593A CN202080039513.7A CN202080039513A CN113906593A CN 113906593 A CN113906593 A CN 113906593A CN 202080039513 A CN202080039513 A CN 202080039513A CN 113906593 A CN113906593 A CN 113906593A
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China
Prior art keywords
positive electrode
particles
electrode material
equal
cathode material
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CN202080039513.7A
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CN113906593B (zh
Inventor
王凯
张飞
王梦
徐磊敏
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • 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
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • 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
    • H01M2004/028—Positive 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

本申请涉及正极材料及包括其的电化学装置及电子装置及制备该正极材料的方法。该正极材料包括锂复合氧化物，且正极材料包括应力释放颗粒，其中应力释放颗粒内部存在孔洞，其中该孔洞为封闭结构。通过采用包括上述应力释放颗粒的正极材料，能够有效应对及提前释放应力，缓解正极材料在高电压使用时的应变，避免正极材料的颗粒破裂，提升正极材料的结构稳定性。本申请的正极材料及电化学装置具有好的高电压循环性能以及循环稳定性。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN202080039513.7A 2020-03-31 2020-03-31 正极材料、包括其的电化学装置和电子装置及制备该正极材料的方法 Active CN113906593B (zh)

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PCT/CN2020/082424 WO2021195961A1 (zh) 2020-03-31 2020-03-31 正极材料、包括其的电化学装置和电子装置及制备该正极材料的方法

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CN113906593A true CN113906593A (zh) 2022-01-07
CN113906593B CN113906593B (zh) 2023-01-20

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US (1) US12126016B2 (zh)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117199342A (zh) * 2023-11-07 2023-12-08 宁波容百新能源科技股份有限公司 钠离子电池正极材料及其制备方法和应用

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030134200A1 (en) * 2000-12-28 2003-07-17 Takehiko Tanaka Positive electrode active material and nonaqueous electrolyte secondary cell
CN1988222A (zh) * 2005-12-20 2007-06-27 索尼株式会社 阴极活性材料和锂离子二次电池
CN102714305A (zh) * 2010-01-15 2012-10-03 丰田自动车株式会社 正极活性物质的评价方法
CN104300117A (zh) * 2014-11-10 2015-01-21 厦门首能科技有限公司 一种用于锂离子电池的阴极组合物及其制备方法
US20150093580A1 (en) * 2012-10-15 2015-04-02 Ngk Insulators, Ltd. Positive electrode active material for lithium secondary battery and positive electrode including same
CN106450260A (zh) * 2016-09-26 2017-02-22 电子科技大学 锂离子电池正极材料LiCo1‑x‑yVxMgyO2‑yFy及其制备方法
CN108183233A (zh) * 2016-12-08 2018-06-19 三星Sdi株式会社 用于锂二次电池的基于镍的活性材料、其制备方法和包括含其的正极的锂二次电池
CN110050366A (zh) * 2016-12-02 2019-07-23 三星Sdi株式会社 用于锂二次电池的镍活性物质前驱体、用于制备镍活性物质前驱体的方法、通过方法制备的用于锂二次电池的镍活性物质以及具有包含镍活性物质的正极的锂二次电池

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0428162A (ja) 1990-05-23 1992-01-30 Matsushita Electric Ind Co Ltd 非水電解質二次電池

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030134200A1 (en) * 2000-12-28 2003-07-17 Takehiko Tanaka Positive electrode active material and nonaqueous electrolyte secondary cell
CN1988222A (zh) * 2005-12-20 2007-06-27 索尼株式会社 阴极活性材料和锂离子二次电池
CN102714305A (zh) * 2010-01-15 2012-10-03 丰田自动车株式会社 正极活性物质的评价方法
US20150093580A1 (en) * 2012-10-15 2015-04-02 Ngk Insulators, Ltd. Positive electrode active material for lithium secondary battery and positive electrode including same
CN104300117A (zh) * 2014-11-10 2015-01-21 厦门首能科技有限公司 一种用于锂离子电池的阴极组合物及其制备方法
CN106450260A (zh) * 2016-09-26 2017-02-22 电子科技大学 锂离子电池正极材料LiCo1‑x‑yVxMgyO2‑yFy及其制备方法
CN110050366A (zh) * 2016-12-02 2019-07-23 三星Sdi株式会社 用于锂二次电池的镍活性物质前驱体、用于制备镍活性物质前驱体的方法、通过方法制备的用于锂二次电池的镍活性物质以及具有包含镍活性物质的正极的锂二次电池
CN108183233A (zh) * 2016-12-08 2018-06-19 三星Sdi株式会社 用于锂二次电池的基于镍的活性材料、其制备方法和包括含其的正极的锂二次电池

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117199342A (zh) * 2023-11-07 2023-12-08 宁波容百新能源科技股份有限公司 钠离子电池正极材料及其制备方法和应用

Also Published As

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US20220123291A1 (en) 2022-04-21
WO2021195961A1 (zh) 2021-10-07
CN113906593B (zh) 2023-01-20
US12126016B2 (en) 2024-10-22

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