国家/地区 中国（6）
IPC部 B（6）
IPC大类 C01（6） B82（4） H01（4）
B01（3） C09（3） B29（2）
B33（2） C04（2） C08（2）
C10（2） H05（2）
IPC小类 C01B（6）
IPC C01B031/04（6）
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（6）
申请年 2014（3）  2015（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

Porous graphene used in e.g. adsorption applications, is prepared by providing graphene sheet having thickness and lateral dimension of preset range, and distributed pores having size of preset range on surface of graphene sheet.

LI X, SUN R, WANG X, YE W, CHEN W

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

Manufacturing nano-graphene sheets involves intercalating and oxidizing a graphite material to form a graphite oxide by mixing the graphite material with at least one intercalation agent and at least one oxidant.

WU M Y, HSIEH C, LIN G, YEH P, CHEN T, CHEN Z, WU Y, XIE C, YE B, HSIEH C Y, LIN G W, YEH P Y, CHEN T H

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