国家/地区 韩国（3）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B031/04（2）
发明人 KIM S Y（3）
公开年
申请年 2014（3）
专利权人

Graphene oxide comprises flat structured bottom layer, and convex portion containing graphene oxide with total content of oxygen and carbon of preset range, and having grain boundary containing metal, formed on bottom layer.

CHU J H, KIM J H, KIM S Y, KWAK J S, KWON S Y, LEE Z H, PARK K B

Graphene-metal nanoparticle composite for carbon nano fiber composite of electrode in secondary battery of e.g. electric vehicle, has graphene sheet surrounded with metal nanoparticle, where metal nanoparticle is made of silicon.

YANG K S, KIM B H, KIM S Y

Graphene with reduced work function used for electronic device including e.g. light-emitting device, comprises alkali metal ion dopant which is doped on the surface of graphene.

CHANG K G, SUN C G, YEONG K S, KIM S Y, KWON G C, CHOI K S