国家/地区 美国（9） 韩国（7） 世界知识产权组织（2）
IPC部 C（9）
IPC大类 C01（9） B82（7） B01（3）
H01（3） B32（2） C23（2）
IPC小类 C01B（9）
IPC C01B031/02（8） B82Y040/00（7） C01B031/04（6）
B82Y030/00（5） B82B003/00（2） C01B031/00（2）
发明人 LEE J（3） LEE J K（3） KIM J K（2）
KOO H Y（2）
公开年 2012（9）
申请年 2011（6）  2012（3） 
专利权人 KOREA INST SCI TECHNOLOGY（9）

Preparing graphene used in e.g. LEDs, transistors involves treating graphite with acid to form graphite oxide, mixing with metal oxide nanoparticles; and treating with acid to separate graphene.

CHOI W K, PARK D H, KWON B W, SON D I, CHOI W

Fabricating graphene-controlled nano-graphite, used as basic material for e.g. lithium-ion battery electrode, comprises preparing graphene powders and fabricating graphene-controlled nano-graphite through heat treatment of graphene powders.

LEE J K

Manufacture of graphene used for e.g. touch screen, involves forming transition metal catalyst layer on substrate, supplying carbon source vapor to chamber and segregating graphene from carbon component in catalyst-layer surface.

JEON S, LEE J, OH S

Fabricating graphene thin film involves making graphene by reducing graphene oxide using sulfonyl hydrazide-based reducing agent, forming graphene dispersed solution by dispersing graphene into organic solvent, and applying solution to film.

NA S I, KIM D Y, KOO H Y, YUN J M, YEO J S, KIM J K

Making graphene sheets/particles comprises dispersing graphene oxide in alcohol solution, reducing graphene oxide dispersion solution under supercritical condition, and separating graphene sheets/particles, followed by washing and drying.

KIM J, AGUNG N, EDUARDUS N, PARK J M, MIN B K, HA J M, KIM J 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

Random graphite, which is a type of graphite comprising three-dimensionally random graphene layers, useful for graphitic intercalation compound (GIC) such as electrodes for lithium-ion battery.

LEE J, WON J, LEE B, LEE J K, WON J S, LEE B B

Fabrication method for AA stacked graphene-diamond hybrid material involves maintaining diamond matrix at temperature having stable graphene phase in hydrogen gas atmosphere, and converting diamond surface into graphene in certain thickness.

LEE J, LEE S, AHN J, LEE W

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