Title:
POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE POLE PIECE, SECONDARY BATTERY, AND ELECTRICAL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2024/082121
Kind Code:
A1
Abstract:
The present application provides a positive electrode material, a method for preparing the positive electrode material, a positive pole piece, a secondary battery, and an electrical apparatus. The positive electrode material comprises: a sodium-containing positive electrode material substrate; and a coating layer covering at least part of the surface of the sodium-containing positive electrode material substrate, the coating layer comprising NaxMyO2, wherein M comprises at least one of B, Si and P, x is greater than 0, and y is greater than 0.
Inventors:
LI QIANG (CN)
LIANG ZIBIN (CN)
WANG YUHAO (CN)
CHENG WEIMING (CN)
HE JINHUA (CN)
LIANG ZIBIN (CN)
WANG YUHAO (CN)
CHENG WEIMING (CN)
HE JINHUA (CN)
Application Number:
PCT/CN2022/125840
Publication Date:
April 25, 2024
Filing Date:
October 18, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M4/36; H01M4/505
Foreign References:
| CN105722791A | 2016-06-29 | |||
| KR20200034298A | 2020-03-31 | |||
| JP2016023118A | 2016-02-08 | |||
| CN111370664A | 2020-07-03 |
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
Download PDF:
Previous Patent: DRYING APPARATUS AND CONTROL METHOD
Next Patent: EARLY TERMINATION OF RANDOM ACCESS RESPONSE DECODING
Next Patent: EARLY TERMINATION OF RANDOM ACCESS RESPONSE DECODING