国家/地区 欧洲专利局（EPO）（2） 韩国（2） 美国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B82Y030/00（2）
发明人 LEE S（2）
公开年
申请年
专利权人

Graphene membrane film used in system for purifying solvent, comprises several plate-shaped laminated graphene flakes containing physical bond or chemical bond for connecting pair of layers, and has preset thickness and oxygen content.

LEE S H, KIM S J, SEO D K, KIM Y H, GEONHUI L, LEE S, KIM S

Making graphene powder useful in carbon-based electrical devices involves preparing graphene solution in which graphene particles are dispersed in a solvent; aggregating the particles; separating aggregated particles from solvent and drying.

LEE S, LEE D, SEO B, BYUN N