国家/地区 韩国（9）
IPC部 B（10）
IPC大类 B01（10） C01（10）
IPC小类 B01J（10） C01B（10） B01D（3）
IPC B01J019/18（10）
发明人 DAI K C（2） SEO B（2）
公开年 2013（10）
申请年 2012（7）  2011（2） 
专利权人 DAI K C（2） LG ELECTRONI.（2）

Preparing carbon nitride-graphene complex useful as catalyst in oxygen reduction reaction for fuel cell, comprises preparing graphite oxide dispersion solution, and adding cyanamide to dispersion solution and refluxing.

PARK S, OH J H

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

Device, useful for producing graphene, comprises a current supply unit for supplying current to a formation area through a contact unit, and a storage unit that receives metal catalyst in roll state, where contact unit contacts chamber.

RHO J, PARK W, JUNG M, SEO B, MOON J

New visible light active graphene-based photocatalyst having repin compound, useful in a biocatalyzer reaction for the production of NADH.

BAEG J O, OH G H, PARK N J, KUMAR Y R, KIM J

Manufacture of graphene involves preparing graphite oxide, adding dispersion containing sulfuric acid into graphite oxide, filtering, drying and reducing obtained graphite oxide into graphene.

CHONG R P, SEUNG J Y

Preparing graphene oxide that is useful in e.g. transistor, comprises e.g. diluting washed graphite oxide with excess of deionized water and then filtrating using filter, and vacuum drying filtered graphite oxide and heating.

PARK H, KIM S H

Graphene producing device, comprises fixing unit in which graphite catalyst in form of roll is wound in rolled condition with predetermined distance away from locking position, where heating unit heats graphite catalyst during annealing.

DAI K C

Device, useful for preparing a graphene, comprises chamber, exhaust outlet, winding unit arranged in locking position, gaseous carbon source placed into chamber with slit, and carbon fiber heating unit connected with extraction unit.

CHOI D G, DAI K C

Cyclic type graphene manufacturing device has deposition chamber and receiving chamber whose walls are arranged adjacent to each other.

KIM K H

Reactor device used for graphene production, comprises shaft sealing device, transmission device, support frame with reaction bottle, gas collecting bottle, constant temperature groove, feeding port and tail gas discharge port.

GUO X, NI Z, DING R