Title:
POSITIVE ELECTRODE MATERIAL AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/193625
Kind Code:
A1
Abstract:
A positive electrode material and an application thereof. The positive electrode material comprises a secondary particle and a rock-salt phase cladding layer provided on the surface of the secondary particle; the secondary particle is formed by stacking multiple primary particles; the ratio of the particle size of the secondary particle to an average particle size of the multiple primary particles is greater than or equal to 1.5; and the primary particles and the rock-salt phase cladding layer respectively comprise a nickel-based active material.
Inventors:
TIAN YECHENG (CN)
HAO RONG (CN)
ZHUANG MINGHAO (CN)
GE LIPING (CN)
SU BIZHE (CN)
HAO RONG (CN)
ZHUANG MINGHAO (CN)
GE LIPING (CN)
SU BIZHE (CN)
Application Number:
PCT/CN2023/084093
Publication Date:
October 12, 2023
Filing Date:
March 27, 2023
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
H01M4/36
Foreign References:
| CN114430037A | 2022-05-03 | |||
| CN112242505A | 2021-01-19 | |||
| CN111164806A | 2020-05-15 | |||
| CN113955813A | 2022-01-21 | |||
| JP2014139926A | 2014-07-31 |
Attorney, Agent or Firm:
SHENZHEN HUISHI PATENT AGENT CO., LTD. (CN)
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