国家/地区 韩国（3）
IPC部 B（3）
IPC大类 B01（3） C01（2）
IPC小类 B01D（3）
IPC C01B031/02（2）
发明人
公开年 2012（3）
申请年 2011（3）
专利权人 KOREA INST S.（2）

Manufacturing method of nanoporous membrane used in separation device, involves transferring graphene nanostructure with pore of columnar structure to upside of columnar structure.

LEE D S, PARK S H, CHOI S Y, JUNG M Y, KIM S H

Graphene-iron oxide complex, useful in purification filter for removal of heavy metals, comprises graphene and needle-like iron oxide nanoparticles grown on surface of the graphene.

KOO H Y, CHOI W S, KIM J K, YEONG G H, SAN CHOI W, GYEONG K J

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