Positive electrode coating material for lithium secondary battery, preparation method thereof, and positive electrode and lithium secondary battery comprising the coating material
Grant
US12592389B2
Kind: B2
Mar 31, 2026
Assignee
LG Energy Solution, Ltd.
Inventors
Soohyun Kim, Jong-Chan Lee, Kihyun Kim, Kwonnam Sohn, Daun Jeong
Abstract
Disclosed are a positive electrode coating material for a lithium secondary battery including graphene oxide surface-modified with cationic functional groups, a preparation method thereof, and a positive electrode and a lithium secondary battery comprising the coating material. The positive electrode coating material prevents the leaching of lithium polysulfide, thereby improving battery performance.
CPC Classifications
H01M 4/38
H01M 4/583
H01M 4/625
H01M 4/133
Filing Date
2021-08-10
Application No.
17781301
Claims
14