国家/地区 中国（13）
IPC部 C（13） H（3）
IPC大类 C01（13） H01（3）
IPC小类 C01B（13）
IPC C01B032/205（13）
发明人 XU B（3） JI Y（2） LIU Z（2）
公开年 2020（13）
申请年 2019（7）  2020（6） 
专利权人

Preparation of large-area graphene by adding iron ore material to high temperature furnace, reducing to high-temperature molten iron and graphite flakes-containing product using reducing agent, and adding molten iron to steelmaking furnace.

ZHANG R

Preparing temperature graphite tube, by performing dynamic oxidation treatment on surface of tube, immersing in strong acid oxidation solution, spraying inner wall with graphene oxide solution and performing high-temperature carbonization.

HAN J, MA J, FENG H, QIU T, ZHONG M

Preparation of composite graphite electrode involves heating initial impregnating material, dispersing graphene powder, dipping initial electrode material, and graphitizing dipped initial electrode material into graphitizing furnace.

KE L

Preparation of independent self-supporting artificial nano-graphite film used e.g. in nanomaterial, by mixing graphene oxide and graphitizable macromolecule, coating on substrate, heating and making substrate surface having volatile coating.

WANG L, FANG X, WANG J

Preparation of three-dimensional porous MXene/reduced graphene oxide composite material used as electrode material in supercapacitor by mixing MXene, graphene oxide, selenium dioxide and water, solid-liquid separating, and heating.

XU B, LI K

Preparation of lithium ion negative electrode material using tin-graphene composite material involves grinding tin, graphene, graphite and carbon black, performing graphitization, extruding, roasting, carbonizing, heating, and pressing.

WEI J, ZHANG J, MIN J, ZHANG P, PANG Z, WU J, LIU W, JI Y, XU B, LV X, LEI T, HUO Y, ZHANG Y, CHEN Y

Preparing microcrystalline graphite-doped graphene negative electrode material for a lithium ion battery, involves dividing the same batch of natural microcrystalline graphite powder, according to the particle size, dividing into powder.

LI J, HU D, LIU J, LIU Z, WANG H

Preparation of two-dimensional laminar flow matrix carbon material composed of graphene nanosheets for preparing composite materials, involves calcining gel polymer nano-organic framework in non-oxidizing environment.

DING S, XU B, DU G, CHENG W

Radiating device useful for preparing graphene material comprises e.g. a shell, the top of the shell fixedly equipped with a feeding pipe, the shell top and located at the right side of the feeding pipe installed with a water inlet pipe.

QI C, LI X

Preparing graphene reinforced polyimide composite film comprises e.g. stirring to react potassium permanganate, reducing residual oxidant using hydrogen peroxide, and washing filter cake to remove moisture to obtain graphene oxide precursor.

JI Y, QING S