Title:
CATHODE ACTIVE MATERIAL FOR SODIUM SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND SODIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2024/096226
Kind Code:
A1
Abstract:
The present invention provides a cathode active material for a sodium secondary battery, a method of producing the cathode active material, and a cathode and a sodium secondary battery comprising the cathode active material, the cathode active material comprising a sodium manganese-based oxide containing sodium (Na), nickel (Ni), and manganese (Mn), with manganese constituting at least 55 mol% of all metals except for sodium, wherein the sodium manganese-based oxide is a secondary particle obtained by aggregation of one or more primary particles and the surface and the inside of the secondary particle are doped with cobalt (Co).
Inventors:
JUNG KUHYUN (KR)
LEE DONGWOOK (KR)
KIM DA MO A (KR)
LEE MYEONG JOO (KR)
PARK A RAM (KR)
LEE DONGWOOK (KR)
KIM DA MO A (KR)
LEE MYEONG JOO (KR)
PARK A RAM (KR)
Application Number:
PCT/KR2023/007835
Publication Date:
May 10, 2024
Filing Date:
June 08, 2023
Export Citation:
Assignee:
ECOPRO BM CO LTD (KR)
International Classes:
H01M4/505; H01M4/02; H01M4/131; H01M4/36; H01M4/525; H01M10/054
Foreign References:
| KR20210092775A | 2021-07-26 | |||
| KR20190010494A | 2019-01-30 | |||
| KR20180089030A | 2018-08-08 | |||
| KR20150138208A | 2015-12-09 | |||
| KR20210097057A | 2021-08-06 |
Attorney, Agent or Firm:
YUN, Junggon (KR)
Download PDF: