国家/地区 中国（26） 韩国（4） 台湾（2） 美国（2）
IPC部 C（34）
IPC大类 C01（34）
IPC小类 C01B（34）
IPC C01B032/184（34）
发明人 LI Y（3） CAI J（2） DAI F（2）
HAO Z（2） JEONG S（2） LEE J J（2）
LI L（2） LI W（2） LIU X（2）
LIU Y（2） YANG S（2） ZHOU S（2）
ZHOU Y（2）
公开年 2022（34）
申请年 2022（21）  2021（10）  2020（3） 
专利权人 GUANGDONG MO.（2） HEXA FIC CO .（2）

Producing graphene composite film useful in heat dissipation material for ultra-large-scale consumer electronics, comprises vacuum pressing an expanded graphite powder and a graphene film to obtain the graphene composite film.

ZHOU Y, LIU X, WANG W, LI L, CHENG W

Producing graphene quantum dots useful in nanoelectronics comprises e.g. micelle solution, where micelles including water, carbon precursor and surfactant are dispersed in non-polar solvent and heated to obtain graphene core.

JEONG S, LEE J J

Production of branched graphene quantum dot used for yarn, involves dissolving carbon precursor comprising carboxylic acid and ligand precursor in solvent to prepare precursor solution, and heating precursor solution to prepare core containing graphene and ligand surrounding core.

JEONG S, LEE J J

Preparing magnetic graphene quantum dot for preparing imaging contrast agent and in-vitro diagnostic probe, involves subjecting ferrous ascorbate aqueous solution to hydrothermal reaction, where contrast agent is nuclear magnetic resonance-fluorescence double-mode enhanced imaging contrast agent.

XIE X, DING G, DONG H, YANG S, LI Y

Preparing graphene-based composite heat-conducting film comprises e.g. heating coal tar asphalt under an argon atmosphere, screening coal tar asphalt, subjecting pre-reduced graphene oxide-based composite film to two-step thermal reduction treatment and carrying out hot pressing treatment.

SONG M, ZHANG J, JIN C

Anti-collapse drilling fluid useful in oil and gas drilling, comprises base oils, organic soils, emulsifiers, plugging and anti-slump agents, fluid loss control agents, inhibitors, pH regulators, weighting agents and flow regulators, where anti-slump agent comprises inorganic rigid particles.

DAI F, LI W, HUANG D, XIE G, LUO P, LI D, BAI Y

Preparing graphene quantum dot airgel derived porous carbon useful for preparing supercapacitor electrodes, comprises e.g. adding coal powder to mixed acid solution, heating mixed solution and under condition of heat preservation, and adding pore-forming agent under stirring conditions.

WU H, XIAO R, XIONG L, XIE Y, DU X

Preparing ultra-thick macroscopic graphene heat sink for heat source comprises taking deionized water, adding e.g. styrene-butadiene rubber, stirring, allowing graphene oxide disperse in aqueous phase, adding graphene powder, mixing, de-foaming, cutting dried material, hot pressing and cooling.

WANG G, XU X

Preparing high thermal conductivity ultra-thick graphene roll film, comprises e.g. mixing graphene oxide and solvent, performing high-pressure homogenization, and vacuum degassing, coating graphene oxide slurry, drying wet film, rolling up graphene oxide dry film, and carbonizing.

ZHU G, WU X, YU X, TANG W, CHEN Q

Preparing graphene material comprises e.g. coating graphene oxide slurry on surface of substrate, setting first layer of template, and drying graphene oxide slurry between substrate and first layer template to form first layer of graphene oxide coating.

ZHOU S, HU J, YANG S, GE X