国家/地区 美国（6）
IPC部 C（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B032/20（6）
发明人 HASEGAWA S（3） KAMIYA N（3） ATKINS C A（2）
HASEGAWA SHOJI（2） KAMIYA NAGISA（2） LINDEMANN G W（2）
NAGISA K（2） SHEN Y（2） SHOJI H（2）
TARGETT M（2）
公开年 2015（2） 2021（2）
申请年 2015（2） 
专利权人 GRAPHENE PLA.（3） CARBON HOLDI.（2） GRAPHENE PLA.（2）

Producing graphene or carbon fiber involves extracting coal sample from location, performing spectral analysis on coal sample to detect hydrogen to carbon ratio of coal sample, concentration of contaminant in coal sample.

TARGETT M, LINDEMANN G W, ATKINS C A

Producing reduced graphene oxide from coal by thermally processing coal, oxidizing thermally processed coal to form coal oxide, and forming reduced graphene oxide comprising impurity atoms from coal oxide.

ATKINS C A, LINDEMANN G W, TARGETT M

Composite ionically-conductive material used in e.g. power storage device, comprises graphene-like graphite exfoliated from graphite-based carbon material and ionically-conductive material dispersed in base material.

HASEGAWA S, KAMIYA N

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