国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5） B82（3） C09（3）
C10（3） H01（3） B01（2）
B29（2） B33（2） C04（2）
C08（2） H05（2）
IPC小类 C01B（5）
IPC C01B032/225（5）
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（2） 2017（2）
申请年
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2）

Obtaining graphene oxide used to purify water, comprises e.g. mixing lamellar graphite powder with intercalating material, separating the structural lamellas with sodium nitrate, and adding mixture to sulfuric acid with continuous stirring.

TERENCE M C, CARRIO J A G, NASCIMENTO R S D, GUEVARA CARRIO J A, DO NASCIMENTO R S

Device for expansion of graphite into graphene flakes used for providing e.g. conductive coatings, comprises container which is provided for receiving electrolyte, anode and cathode which consists of diamond.

NEBEL C E, HOFFMANN R, ROSCHER S, ROSCHNER S, HOFFMAN R

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

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

Synthesizing graphene comprises refluxing reaction mixture of solvent e.g. water and carbonaceous material promoting polycyclic aromatic hydrocarbon formation, collecting and directing obtained vapors to substrate and recovering graphene.

SHANKMAN R S, HANKMAN R S