国家/地区 韩国（3） 中国（2） 欧洲专利局（EPO）（2） 日本（2） 美国（2） 世界知识产权组织（2）
IPC部 B（2） C（2）
IPC大类
IPC小类
IPC
发明人 KIM J（2）
公开年 2021（3）
申请年 2020（2） 
专利权人 POSCO（3）

Negative electrode for lithium secondary battery, has artificial graphite-based active material, where artificial graphite-based active material is provided with artificial graphite with graphitization degree of ninety percent or greater.

EUNKYUNGKIM, CHO M

Surface-treatment composition used for vibration damping steel sheet, comprises polymer resin and inorganic nanoparticles having preset average aspect ratio.

KIM J, LEE J, KIM Y, CHOI H, CHOI Y, KIM J T, KIM Y S, CHOI Y H, CUI H, JIN Y, LI Z

Method for manufacturing graphene-coated steel sheet, involves modifying steel sheet to have negative charge and forming of first graphene oxide layer is performed using graphene oxide dispersion modified with amine group.

YOO H, KIM J, BAEK J, BYEON C, YOO H J, SU K J, BAEK J H, BYEON C S, BAI J, LIU H