Title:
CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2021/066229
Kind Code:
A1
Abstract:
The present invention relates to a cathode active material for a lithium secondary battery, and a lithium secondary battery including same, and the purpose thereof is to improve the battery characteristic of a high-capacity cathode material by simultaneously doping tungsten (W), which exhibits an excellent effect for the improvement of electric conductivity, and buron (B), which is located on the surface thereof so as to suppress a side reaction of the residual lithium and an electrolyte.
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Inventors:
KIM JUNGHOON (KR)
HAN CHANG JOO (KR)
KIM YOUNG SANG (KR)
NAM SANG CHEOL (KR)
HWANGBO GEUN (KR)
HAN CHANG JOO (KR)
KIM YOUNG SANG (KR)
NAM SANG CHEOL (KR)
HWANGBO GEUN (KR)
Application Number:
PCT/KR2019/012962
Publication Date:
April 08, 2021
Filing Date:
October 02, 2019
Export Citation:
Assignee:
POSCO (KR)
RES INST IND SCIENCE & TECH (KR)
RES INST IND SCIENCE & TECH (KR)
International Classes:
H01M4/525; H01M4/36; H01M4/505; H01M4/62; H01M10/052
Foreign References:
| KR20190086403A | 2019-07-22 | |||
| JP2015122234A | 2015-07-02 | |||
| JP2017007918A | 2017-01-12 | |||
| KR101759445B1 | 2017-07-20 | |||
| KR20190086399A | 2019-07-22 | |||
| KR20190062278A | 2019-06-05 | |||
| KR20200029803A | 2020-03-19 |
Other References:
See also references of EP 4040542A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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