国家/地区 韩国（5）
IPC部 C（5）
IPC大类 C01（5） B01（2）
IPC小类 C01B（5）
IPC C01B032/184（5）
发明人 KIM B G（5）
公开年 2023（3）
申请年 2021（3） 
专利权人 COWINDST CO .（2） KOREA ELECTR.（2）

Reduced graphene oxide used in electrode for secondary battery, comprises crystalline reduced graphene oxide in powder form having two-dimensional structure.

JEONG S Y, YANG S H, LEE G W, KIM I J, KIM B G, RYU J H, LEE H J, JEONG S, YANG S, LEE G, KIM I, KIM B, RYUJIHYUN, LEE H, JUNG S Y

Graphene manufacturing apparatus comprises supply unit, moving unit, laser irradiation unit, and collecting unit connected to other side of moving unit to separate and collect graphene powder from graphite oxide powder or graphene oxide powder.

YANG W S, KIM S J, KIMSUNJOO, LEE J G, PARK H, PARK J, KIM B G

Manufacturing graphene comprises disposing graphite oxide powder or graphene oxide powder in laser irradiation area, irradiating laser to graphite oxide powder or graphene oxide powder and recovering graphene powder generated by irradiation.

YANG W S, KIMSUNJOO, LEE J G, PARK H, PARK J, KIM B G, KIM S J

Producing porous composite film useful for solar-based vapor generating system, comprises preparing porous polymer film, and forming graphene layer by irradiating laser on one surface of porous polymer film to carbonize area of polymer film.

KIM B G, SOO K M, KIM Y H, WON J C, SOO Y K, KIM Y

Manufacturing graphene nanoball comprises disposing coffee grounds and nanoparticle matrix apart from each other, forming graphene layer on nanoparticle matrix by performing chemical vapor deposition using coffee grounds as carbon source.

MOK C S, KIM B G, NOH C