国家/地区 中国（9）
IPC部 C（9）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C01B032/184（9）
发明人 LI J（2） WANG X（2）
公开年 2015（2） 2016（2） 2021（2）
申请年 2020（4）  2014（2）  2016（2） 
专利权人

Light broadband efficient electromagnetic shielding coating useful e.g. in electronic information industry and electronic product, comprises epoxy resin, graphene and magnesium oxide mixed powder,, silver-coated copper powder, auxiliary agent, coupling agent, and solvent.

LI J, SHUANG S, YANG Z, HE G, YANG X, LI H, MENG Q, LI Y

Preparing graphene in large quantity under high pressure useful in electromagnetic shielding, comprises e.g. dissolving biocatalyst catalyst material, stirring and pre-reducing, performing ultrasonic vibration treatment and washing.

ZHANG H, ZHONG Y, YANG B

Device for preparing graphene composite wave-absorbing material, comprises support frame, and purification component including purifying tank, fixing plate, stirring plate, electromagnetic coil, heating coil and intercepting filter screen.

XUE S, DONG W, KONG Q, ZHU L

Preparing palladium quantum dot doped graphene-based conductive ink useful for preparing graphene conductive film, comprises e.g. providing graphite powder, using modified Hummers method to prepare graphene oxide and centrifuging.

WU L, YE D, HU Z, PENG L, ZENG C, KONG J, LIU Q, MA Y

Preparing graphene conductive ink comprises mixing carbon black and graphite and grinding to obtain the composite conductive filler, taking ethanol, ethylene glycol, glycerine and de-ionized water mixing and stirring to obtain mixed solvent.

XU C, JI A, ZHOU H, ZHU N, SHI X, SHI L, ZHAO Y, GUO L, WANG X

Preparation of flexible graphene conductive film involves forming a substrate on the surface of graphene layer, dissolving polyvinyl alcohol in water, heating, cooling, applying sol solution to the graphene layer and drying.

WANG X

Graphene dispersant used in e.g. preparation of graphene composite powder, and graphene composite film, comprises polyaniline oligomer or derivative which is electroactive polymer, and combines with graphene via pi-pi bond.

DAI L, GU L, YU H, ZHENG Y, MA J, ZHAO H, LIU S, DING J

Production of graphene involves applying physical force to liquid dispersion of dispersing agent containing polyaromatic hydrocarbon oxide, and carbon-based material comprising graphite, and forming graphite into nano graphene flakes.

SOHN K N, YOO K H, KWON W J, LEE K S, YANG S B, KIM I Y, LEE M J, LEE J Y, SOHN K, YOO K, KWON W, LEE K, YANG S, KIM I, LEE M, LEE J, LI M, LI J

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