Title:
POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/155215
Kind Code:
A1
Abstract:
A positive electrode material and a preparation method therefor, and a lithium-ion battery. The positive electrode material comprises a secondary particle and a coating layer; the secondary particle comprises a plurality of primary particles; the primary particles contain an active substance; the chemical general formula of the active substance is LibNixCoyMzRwO2, wherein 0.95≤b≤1.10, 0.8≤x<1, 0
Inventors:
HUANG YOUYUAN (CN)
YANG SHUNYI (CN)
SONG XIONG (CN)
ZHANG HONGXU (CN)
YAN WUWEI (CN)
LUO LIANG (CN)
NOMURA SHUN (JP)
MORITA KOKI (JP)
SHINOMIYA TAKUYA (JP)
YANG SHUNYI (CN)
SONG XIONG (CN)
ZHANG HONGXU (CN)
YAN WUWEI (CN)
LUO LIANG (CN)
NOMURA SHUN (JP)
MORITA KOKI (JP)
SHINOMIYA TAKUYA (JP)
Application Number:
PCT/CN2022/077289
Publication Date:
August 24, 2023
Filing Date:
February 22, 2022
Export Citation:
Assignee:
BTR NANO TECH CO LTD (CN)
PANASONIC ENERGY CO LTD (JP)
PANASONIC ENERGY CO LTD (JP)
International Classes:
H01M4/525; H01M4/62; H01M10/0525
Foreign References:
| CN112382741A | 2021-02-19 | |||
| CN102881911A | 2013-01-16 | |||
| CN110190254A | 2019-08-30 | |||
| CN112447966A | 2021-03-05 | |||
| CN114050255A | 2022-02-15 | |||
| US20210126256A1 | 2021-04-29 | |||
| CN202210142538A | 2022-02-16 |
Attorney, Agent or Firm:
UNI-INTEL PATENT AND TRADEMARK LAW FIRM (CN)
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