国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4） B01（3） H01（3）
B82（2） C09（2） H05（2）
IPC小类 C01B（4）
IPC C01B031/04（4）
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（3）
申请年 2014（4）
专利权人 LG CHEM CO L.（2） LG CHEM LTD（2）

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 random structure graphite intercalation compounds (GIC) by preparing alkali metal-GIC having alkali metal intercalated between graphene layers, and making polar protic solvent to contact with alkali-metal GIC.

WADA T, NAKASUGA A, TOYODA M, TAKUYA W