国家/地区 中国（5）
IPC部 B（5）
IPC大类 C01（5） B82（4） H01（4）
B01（3） C09（3） C08（2）
H05（2）
IPC小类 C01B（5）
IPC C01B031/04（5）
发明人 KWON W（2） KWON W J（2） LEE K（2）
LEE K S（2） SOHN K（2） SOHN K N（2）
YOO K（2） YOO K H（2）
公开年 2015（4）
申请年 2014（5）
专利权人 LG CHEM CO L.（2） LG CHEM LTD（2）

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

Dispersion of nanoparticles of graphene in water in presence of surfactant, used for treating articles of manufacture, and used as additive or component of elastomeric compositions or of paints or of textile articles.

CESAREO G, PARRINI M R, RIZZI L G, PARRINI R