国家/地区 美国（9）
IPC部 C（9）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C01B032/184（9）
发明人 ATKINS C A（2） LINDEMANN G W（2） TARGETT M（2）
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人 CARBON HOLDI.（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

Device for preparing graphene and hydrogen by using joule heat conversion waste plastic, comprises gas pressure control unit fixed on pressure-resistant gas collecting pipeline, and air inlet pipeline fixed in airtight reaction cavity.

YAN Y, WANG Y

Method of producing high conductivity carbon material from coal, involves subjecting coal to dissolution process to produce solubilized coal material and subjecting solubilized coal material to pyrolysis process.

GAMLIEL D P, LANG C M, HERB J T, SONG M K, PREDA D V

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

Manufacture of graphene used as e.g. anode material, involves pretreating by pulverizing vegetable raw material to obtain carbon source and carbonizing by introducing inert gas into chamber and heating carbon source under plasma atmosphere.

KINOSHITA T, OTA K, OOTA K

Preparing coiled continuous graphene film involves subjecting polyimide film to corona treatment, winding film into coil, and carbonizing under protection of inert gas to form carbon precursor.

LIU P

Producing nanoporous graphene used as adsorption medium in gas e.g. methane storage, comprises preparing cellulosic raw materials, impregnating materials with catalyst, activating and heating materials in heating system and washing graphene.

RASHIDI A, MAHMUDIAN L, DEHGHANI 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

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