国家/地区 中国（4）
IPC部 B（4）
IPC大类 C01（4） H01（4） B82（3）
B29（2） B33（2） C04（2）
C08（2） C09（2） C10（2）
C25（2） H05（2）
IPC小类 C01B（4）
IPC C01B031/04（4）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） NAGISA K（2） SHEN Y（2）
SHOJI H（2）
公开年 2015（4）
申请年 2014（2） 
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2）

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

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