Title:
POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE AND BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/093820
Kind Code:
A1
Abstract:
A positive electrode material and a preparation method therefor, a positive electrode and a battery. The positive electrode material comprises an inner core made of a lithium-rich material and a conductive layer which coats the surface of the inner core made of a lithium-rich material, wherein at least one of the inner core made of a lithium-rich material and the conductive layer is doped with at least one of P and B. The positive electrode material has a conductive layer doped with at least one of P and B, such that the structure of the material can be stabilized, and the rate capability and cycling stability of the material are thus improved.
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Inventors:
ZHANG LI (CN)
CHEN XINYI (CN)
PEI XIANYINAN (CN)
WAN YUANXIN (CN)
KONG LINGCHONG (CN)
CHEN XINYI (CN)
PEI XIANYINAN (CN)
WAN YUANXIN (CN)
KONG LINGCHONG (CN)
Application Number:
PCT/CN2023/127134
Publication Date:
May 10, 2024
Filing Date:
October 27, 2023
Export Citation:
Assignee:
SHENZHEN DYNANONIC INNOVAZONE NEW ENERGY TECH CO LTD (CN)
International Classes:
H01M4/36; H01M4/131
Foreign References:
| CN116525773A | 2023-08-01 | |||
| CN109167042A | 2019-01-08 | |||
| CN106544640A | 2017-03-29 | |||
| CN103794782A | 2014-05-14 | |||
| CN103996845A | 2014-08-20 | |||
| CN113013408A | 2021-06-22 | |||
| CN113889624A | 2022-01-04 | |||
| CN115180613A | 2022-10-14 | |||
| JP2018026400A | 2018-02-15 |
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
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