CN115885396A - 正极活性材料、锂离子二次电池、电池模块、电池包和用电装置 - Google Patents

正极活性材料、锂离子二次电池、电池模块、电池包和用电装置 Download PDF

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Publication number
CN115885396A
CN115885396A CN202180043383.9A CN202180043383A CN115885396A CN 115885396 A CN115885396 A CN 115885396A CN 202180043383 A CN202180043383 A CN 202180043383A CN 115885396 A CN115885396 A CN 115885396A
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China
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active material
positive electrode
electrode active
lithium
positive
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CN202180043383.9A
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冷雪
刘宏宇
别常峰
柳娜
蔡万青
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Publication of CN115885396A publication Critical patent/CN115885396A/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
    • H01M4/36—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
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • 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)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

一种正极活性材料，其中，包括基体和包覆层，包覆层包覆基体，包覆层包括快离子导体层和碳包覆层，基体包括如式(I)所示的化合物中的一种以上：LiFe1‑aM1aPO4式(I)，在式(I)中，M1选自Cu、Mn、Cr、Zn、Pb、Ca、Co、Ni、Sr、Nb以及Ti中的一种以上，0≤a≤0.01，快离子导体层包含如式(II)所示的具有NASICON结构的快离子导体，Li3‑bFe2‑bM2b(PO4)3式(II)，在式(II)中，M2选自+4价的Ti、Zr、Hf、Ge以及Sn中的一种以上，0≤b≤1。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN202180043383.9A 2021-01-21 2021-01-21 正极活性材料、锂离子二次电池、电池模块、电池包和用电装置 Pending CN115885396A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/073158 WO2022155861A1 (zh) 2021-01-21 2021-01-21 正极活性材料、锂离子二次电池、电池模块、电池包和用电装置

Publications (1)

Publication Number Publication Date
CN115885396A true CN115885396A (zh) 2023-03-31

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US (1) US20230035380A1 (zh)
EP (1) EP4131492A4 (zh)
JP (1) JP7375222B2 (zh)
KR (1) KR20220143926A (zh)
CN (1) CN115885396A (zh)
WO (1) WO2022155861A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115448281B (zh) * 2022-09-13 2023-10-24 宜都兴发化工有限公司 一种表面包覆LiAlF4快离子导体的低温型磷酸铁锂的制备方法
CN116259736B (zh) * 2023-05-15 2023-11-07 宁德时代新能源科技股份有限公司 正极活性材料及其制备方法、正极极片、二次电池和用电装置
CN117423829B (zh) * 2023-12-19 2024-04-23 湖南长远锂科新能源有限公司 一种锂离子电池正极材料及其制备方法和应用

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5017778B2 (ja) 2005-01-05 2012-09-05 株式会社Ｇｓユアサ 非水電解質電池用正極及び非水電解質電池
JP5332983B2 (ja) 2009-07-08 2013-11-06 トヨタ自動車株式会社 電池システム
US8906553B1 (en) * 2010-02-26 2014-12-09 Nei Corporation High voltage cathode material for Li-ion batteries
JP5981101B2 (ja) 2011-06-15 2016-08-31 株式会社東芝 非水電解質二次電池
JP6035669B2 (ja) 2012-07-20 2016-11-30 住友金属鉱山株式会社 非水電解質二次電池用正極活物質およびその製造方法
CN103094580A (zh) * 2013-01-25 2013-05-08 复旦大学 一种复合正极材料及其合成方法与应用
CN103400962B (zh) * 2013-08-08 2016-04-27 湘潭大学 一种球形LiFePO4/(C+La2/3-xLi3xTiO3)复合物正极材料及其制备方法
CN108206276A (zh) * 2016-12-19 2018-06-26 天津国安盟固利新材料科技股份有限公司 一种复合包覆的锂离子正极材料及其制备方法
JP6288340B1 (ja) 2017-03-24 2018-03-07 住友大阪セメント株式会社 リチウムイオン二次電池用電極材料、及びリチウムイオン二次電池
CN110858643B (zh) * 2018-08-24 2021-09-14 湖南杉杉新能源有限公司 一种快离子导体改性锂离子电池正极材料及其制备方法

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Publication number Publication date
JP7375222B2 (ja) 2023-11-07
KR20220143926A (ko) 2022-10-25
US20230035380A1 (en) 2023-02-02
EP4131492A1 (en) 2023-02-08
WO2022155861A1 (zh) 2022-07-28
EP4131492A4 (en) 2023-06-14
JP2023517773A (ja) 2023-04-26

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