国家/地区 中国（15） 美国（13） 世界知识产权组织（12） 日本（9） 欧洲专利局（EPO）（8） 韩国（8） 台湾（4） 英国（2）
IPC部 C（20）
IPC大类 C01（20）
IPC小类 C01B（20）
IPC C01B032/184（20）
发明人 LEE K S（3） KWON W（2） KWON W J（2）
LEE J（2） LEE K（2） SOHN K（2）
SOHN K N（2） YOO K（2） YOO K H（2）
公开年 2015（15） 2014（3） 2016（2）
申请年 2014（20）
专利权人 LG CHEM CO L.（2） LG CHEM LTD（2）

Forming graphene oxide-reduced graphene oxide junction used in electronic device, comprises depositing layer of graphene oxide, selectively exposing region of the deposited graphene oxide layer to electromagnetic radiation and repeating.

WEI D, ALLEN M

Manufacture of graphene film used in laminated material, involves contacting graphene oxide film containing oxygen-containing functional group with fluid containing hydrogen iodide and alcohol, and reducing functional group.

KONG C Y

Preparation of three-dimensional nitrogen-doped graphene composite material involves dispersing graphene oxide in solvent, adding nitrogen-containing compound, and polymer or metal compound, reacting, washing and drying.

CHEN M, GUO Y, LI Q, LI W, LIAO S, LIU C, LIU L, QIU S

Production of graphene sheet used for e.g. electron field emitter, involves forming carbonaceous powder by electrochemical erosion of graphite electrode in molten salt, recovering carbonaceous powder, and heating carbonaceous powder.

FRAY D, KAMALI A R, KAMALI A, FREY D

Production of graphene involves applying physical force to liquid dispersion of dispersing agent containing polyaromatic hydrocarbon oxide, and carbon-based material comprising graphite, and forming graphite into nano graphene flakes.

SOHN K N, YOO K H, KWON W J, LEE K S, YANG S B, KIM I Y, LEE M J, LEE J Y, SOHN K, YOO K, KWON W, LEE K, YANG S, KIM I, LEE M, LEE J, LI M, LI J

Production of graphene involves forming liquid dispersion comprising dispersing agent, and carbon-based material comprising de-oxidized graphite, and continuously passing liquid dispersion through high-pressure homogenizer.

YOO K H, SOHN K N, KWON W J, LEE K S, YOO K, SOHN K, KWON W, LEE K

Production of interlayer distance controlled graphene used in e.g. supercapacitor, involves dispersing graphene oxide in solution using surfactant, forming reduced graphene oxide by adding reducing agent, and adding pillar material.

LEE H, LEE K S, LEE H Y

Graphene-lead composite material used for preparing graphene lead carbon electrode, comprises a lead base, which is fixed to graphene material chip as carrier by depositing lead on surface of graphene.

HUANG B, JIAO C, WANG J

Graphite thin film structure has thin film containing graphene, and electrode containing metal and carbon, contacting thin film.

OSHIMA H, KUMAGAI E, OKEYUI K

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y