国家/地区 韩国（12）
IPC部 B（12）
IPC大类 B01（12） C01（12） C23（3）
IPC小类 B01J（12）
IPC B01J019/18（12）
发明人 NA D H（2） PARK S（2） YOON J H（2）
公开年 2013（6） 2014（4） 2012（2）
申请年 2012（12）
专利权人 HANWHA TECHW.（4） SAMSUNG TECH.（4） INHA IND PAR.（2） LG ELECTRONI.（2）

Manufacturing graphene oxide, comprises preparing a dispersion of graphite oxide, removing the graphite oxide from the dispersion of graphite oxide, and then performing an oxidation of graphite oxide to graphene.

BYUN N, LEE D, LEE S

Apparatus, useful to remove e.g. copper from graphene sheet, includes circulation part in which cleaning solution is directly supplied to catalyst metal of graphene sheet along direction parallel to transferring direction of auxiliary tank.

NA D H

Apparatus of removing catalyst metal on graphene sheet used as transparent electrode film of e.g. flexible display, controls holder to exercise in the state that is completely sunk under catalyst metal cleaning solution.

YOON J H, NA D H

Manufacture of reduced graphene oxide used for transparent electrodes of e.g. storage batteries, involves dispersing graphene oxide in solvent to obtain dispersion solution, adding ammonia borane to dispersion solution, and refluxing.

PARK S, HAN J W

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

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

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

KIM K H