国家/地区 韩国（2）
IPC部 B（2）
IPC大类 B02（2）
IPC小类 B02C（2）
IPC C01B031/02（2）
发明人
公开年 2012（2）
申请年
专利权人

Ball-milled graphene nano-powder or ribbon purifying method, involves separating magnetic impurities during stirring suspension using magnet, where impurities are incorporated into graphene powder during ball-milling.

LEE J K, LEE K, LEE K I, GAP L J, IL L G

Manufacture of graphene involves pre-processing graphite, oxidizing the pre-processed graphite using acid solution, removing oxidized graphene, and reducing oxidized graphene using reducing agent.

CHU G J, CHUNG C K, KIM H S, KIM M C, LEE J B, SHIN H C, TAE S J