Title:
CATHODE ACTIVE MATERIAL, CATHODE COMPRISING SAME, AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/182162
Kind Code:
A1
Abstract:
The present invention relates to a cathode active material and a preparation method therefor, wherein the average crystallite size of a core part is formed to be smaller than that of a shell part in a high-nickel cathode active material, and thus the cathode active material is developed to be able to suppress microcrack occurrence and electrolyte decomposition during charging and discharging.
Inventors:
LEE DONG HUN (KR)
KIM HAK YOON (KR)
BAEK SO RA (KR)
HUR HYUCK (KR)
KIM DONG HWI (KR)
KIM HYEONG IL (KR)
CHAE SEUL KI (KR)
JUNG WANG MO (KR)
KIM HAK YOON (KR)
BAEK SO RA (KR)
HUR HYUCK (KR)
KIM DONG HWI (KR)
KIM HYEONG IL (KR)
CHAE SEUL KI (KR)
JUNG WANG MO (KR)
Application Number:
PCT/KR2022/002707
Publication Date:
September 01, 2022
Filing Date:
February 24, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M4/36; H01M4/02; H01M4/505; H01M4/525; H01M10/052
Foreign References:
| JP2017154915A | 2017-09-07 | |||
| KR20180056310A | 2018-05-28 | |||
| KR20190070458A | 2019-06-21 | |||
| KR20190032119A | 2019-03-27 | |||
| KR20170103699A | 2017-09-13 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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