国家/地区 中国（8）
IPC部 B（8）
IPC大类 C01（8） B82（6） H01（6）
B01（4） C04（3） C09（3）
H05（3） B29（2） B33（2）
C08（2） C10（2） C25（2）
IPC小类 C01B（8）
IPC C01B032/19（8）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） KWON W（2） KWON W J（2）
LEE K（2） LEE K S（2） NAGISA K（2）
SHEN Y（2） SHOJI H（2） SOHN K（2）
SOHN K N（2） YOO K（2） YOO K H（2）
公开年 2015（8）
申请年 2014（4）  2015（3） 
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2） LG CHEM CO L.（2） LG CHEM LTD（2）

Producing pristine graphene nanoplatelets used in e.g. paints, comprises expanding flakes of intercalated graphite, dispersing expanded graphite in water in absence of surfactant and subjecting to exfoliation and size reduction treatment.

CESAREO G, PARRINI M R, RIZZI L G

Ultra-light ferric oxide gel composite used as magnetic material, catalyst, abrasives, sewage processing agent and special electrode contains ferrous oxide and graphene gas gel.

GUAN X, LIU Y, ZHANG J, ZHENG X, SUO Y, MENG J

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

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

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

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

Producing in electrochemical cell of one or more of graphene, graphite nanoplatelet structures, and graphane, involves passing current through cell to intercalate ions into graphitic negative electrode.

DRYFE R A W, KINLOCH I A, ABDELKADER A M, JEFF R A W, DRYFE R A V