MA63899A1 - Matériau d'électrode positive rich en nickel, son procédé de préparation et batterie au lithium-ion - Google Patents

Matériau d'électrode positive rich en nickel, son procédé de préparation et batterie au lithium-ion

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Publication number
MA63899A1
MA63899A1 MA63899A MA63899A MA63899A1 MA 63899 A1 MA63899 A1 MA 63899A1 MA 63899 A MA63899 A MA 63899A MA 63899 A MA63899 A MA 63899A MA 63899 A1 MA63899 A1 MA 63899A1
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MA
Morocco
Prior art keywords
sub
positive electrode
electrode material
nickel
rich
Prior art date
Application number
MA63899A
Other languages
English (en)
Inventor
Youyuan HUANG
Shunyi Yang
Weicheng WEN
Yu Zheng
Original Assignee
Btr Nano Tech Co., Ltd.
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Publication date
Application filed by Btr Nano Tech Co., Ltd. filed Critical Btr Nano Tech Co., Ltd.
Publication of MA63899A1 publication Critical patent/MA63899A1/fr

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    • H—ELECTRICITY
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    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
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    • C01G53/40—Complex oxides containing nickel and at least one other metal element
    • C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
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    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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    • 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
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    • 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
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  • Engineering & Computer Science (AREA)
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  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
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Abstract

La présente invention concerne un matériau d'électrode positive riche en nickel, son procédé de préparation et une batterie au lithium-ion. La formule générale chimique du matériau d'électrode positive riche en nickel est représentée dans la formule (1) : Li<sub>x</sub>Ni<sub>1-(a+b+c+d+e+f)</sub>Co<sub>a</sub>M1<sub>b</sub>M2<sub>c</sub>M3<sub>d</sub>M4<sub>e</sub>M5<sub>f</sub>O<sub>2</sub> (1), dans laquelle 0,95≤x≤1,2 ; 0≤a≤0,15 ; 0≤b≤0 ; 10, 0≤c≤0,05 ; 0≤d≤0,05 ; 0≤e≤0,05 ; 0≤f≤0,05, et 03+ et une grande quantité de Ni<sup>2+</sup> se trouvent à la surface du matériau riche en nickel ; ainsi, il est possible d'empêcher l'oxydation de la surface du matériau d'électrode positive pendant la délithiation, ce qui permet de maintenir la stabilité structurelle du matériau d'électrode positive, évitant ainsi la perte d'un matériau actif d'électrode positive et d'un électrolyte, augmentant encore la capacité du matériau d'électrode positive et améliorant de manière significative les performances de cycle à haute température du matériau d'électrode positive riche en nickel.
MA63899A 2021-12-08 2022-11-09 Matériau d'électrode positive rich en nickel, son procédé de préparation et batterie au lithium-ion MA63899A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111491138.2A CN116247195B (zh) 2021-12-08 2021-12-08 一种高镍正极材料及其制备方法、锂离子电池
PCT/CN2022/130946 WO2023103700A1 (fr) 2021-12-08 2022-11-09 Matériau d'électrode positive rich en nickel, son procédé de préparation et batterie au lithium-ion

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MA63899A1 true MA63899A1 (fr) 2024-10-31

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US (1) US20240204183A1 (fr)
EP (1) EP4280304A4 (fr)
JP (1) JP7799704B2 (fr)
CN (1) CN116247195B (fr)
MA (1) MA63899A1 (fr)
WO (1) WO2023103700A1 (fr)

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CN116487553A (zh) * 2023-04-26 2023-07-25 贵州振华新材料有限公司 一种双包覆高镍锂离子正极材料及其制备方法和应用
WO2025132335A1 (fr) * 2023-12-18 2025-06-26 Umicore Poudre de matériau actif d'électrode positive et procédé de fabrication d'une poudre de matériau actif d'électrode positive
CN120221640A (zh) * 2023-12-27 2025-06-27 贝特瑞（江苏）新材料科技有限公司 正极材料及其制备方法、锂离子电池
CN117594789B (zh) * 2024-01-18 2024-04-16 四川新能源汽车创新中心有限公司 高镍三元正极材料及其制备方法、锂离子电池和涉电设备
CN119725476B (zh) * 2024-12-26 2026-03-10 宜宾锂宝新材料股份有限公司 一种镍锰酸锂正极材料及其制备方法和应用

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CN112811403B (zh) * 2020-12-31 2022-08-05 南通瑞翔新材料有限公司 一种Mg/Ti共掺杂Li3PO4包覆的高镍三元正极材料及其制备方法
CN117203795A (zh) 2021-03-18 2023-12-08 国立大学法人信州大学 锂离子二次电池用正极活性物质、正极、锂离子二次电池及锂离子二次电池用正极活性物质的制造方法

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EP4280304A1 (fr) 2023-11-22
EP4280304A4 (fr) 2024-07-31
WO2023103700A1 (fr) 2023-06-15
JP7799704B2 (ja) 2026-01-15
JP2024515954A (ja) 2024-04-11
CN116247195B (zh) 2025-11-18
US20240204183A1 (en) 2024-06-20

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