国家/地区 韩国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/198（2）
发明人 KIM H W（2）
公开年 2020（2）
申请年
专利权人

Producing cathode active material coated with reduced graphene oxide on the surface useful in cathode for lithium secondary battery, comprises e.g. heat-treating the cathode active material, and doping nitrogen on surface of material.

KIM H W

Producing activated carbon comprises preparing graphene oxide by chemical exfoliation process using carbon source and acid, separating graphene oxide and residual carbon source, heating residual carbon source and maintaining temperature.

CHUN D, KIM S, KIM H W, LIM H, RUDLY C, LEESIHYUN, CHOI H K, YOO J, LIM J, RHIM Y