国家/地区 加拿大（13）
IPC部 C（13）
IPC大类 C01（13）
IPC小类 C01B（13）
IPC C01B032/225（13）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） NAGISA K（2） ROSCHER S（2）
SHEN Y（2） SHOJI H（2）
公开年 2017（4） 2015（3） 2021（3）
申请年 2015（3）  2016（3）  2020（3） 
专利权人 FRAUNHOFER G.（2） GRAPHENE PLA.（2） GRAPHENE PLA.（2）

Dry graphene powder composition used in graphene ink used in two- or three-dimensional printing comprises pristine graphene flakes non-covalently functionalized with polymeric amphiphilic molecules.

TRAN T S, ROY CHOUDHURY N, DUTTA N, ROY C N, AWARD T, ROICHOUDURINAMITA, DUTANABA, DUTA N

Exfoliating graphene flakes from graphite sample by compressing a graphite sample in an electrochemical reactor, and applying a voltage between the graphite sample and an electrode in the electrochemical cell.

ROSCHER S

Providing hydrogenated sp2 carbon allotrope involves providing hydrogenated sp2 carbon allotrope, and then releasing hydrogen gas from carbon allotrope.

BALDWIN J W, MORSE J R, ZUGELL D A, MATIS B R, WILLAUER H D, GANGEMI N T, HOUSTON B

Graphene oxide synthesis involves providing graphite source, reacting the graphite source with sulfuric acid in vessel, adding potassium permanganate to the vessel to form reaction mixture, and then adding hydrogen peroxide and water.

JAYAWARDENA V C, JAYASUNDARA D R, AMARATUNGA G, JAYAWEERA V

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

Preparation of large-sized graphene involves ultrasonically treating mixture of graphite and concentrated sulfuric acid to obtain solution comprising upper graphene and lower concentrated sulfuric acid solution, and processing graphene.

FENG C, XU D

Producing graphene or graphene-like material, comprises dispersing particles of crystalline graphitic material in solvent or surfactant mixtures, submitting mixture to a cavitation force, and submitting mixture to high shear agitation.

FONSECA FERREIRA DA SILVA R, MARQUES ABRANTES V E, REIS FIGUEIREDO B, MARQUES A V E, REIS F B, FONSECA F D S R

Halogenated graphene nanoplatelets used in e.g. energy storage device, comprising graphene layers that are defect-free and free from any element, other than carbon atoms of perimeters of graphene layers, and with specified ratio of bromine.

ZHANG Y, PARKS J C, KADRMAS C R, ODAY J M

Graphene-reinforced polymer matrix composite for use in manufacturing an automotive, aircraft, watercraft or aerospace part, comprises a thermoplastic polymer matrix, and particles, e.g. graphite microparticles.

NOSKER T, LYNCH J, KEAR B, HENDRIX J, CHIU G, LYNCH J K, HENDRIKS J, ZHAO G

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