国家/地区 中国（11） 世界知识产权组织（2）
IPC部 C（11）
IPC大类 C01（11） H01（4） B01（2）
IPC小类 C01B（11）
IPC C01B032/184（11）
发明人 LI C（11）
公开年 2021（9） 2022（2）
申请年 2021（11）
专利权人 GUANGDONG BR.（2） GUANGDONG BR.（2） GUIZHOU IND .（2） HUNAN BRUNP .（2）

Preparing graphene quantum dot used for preparing polyphenylene sulfide-graphene quantum dot composite material for electronic appliance or communication equipment or automobile field, involves placing brown-black humic acid.

ZHAO L, LI C, WANG C, ZHEN W

Modified preparation device for graphene production, comprises preparation cylinder, where inner part of preparation cylinder is movably connected with stirring shaft, and outer surface of stirring shaft is fixedly connected with supporting plate.

LI C

Redox device for graphene production, comprises tank body, where top of tank body is fixedly installed with motor, lower end of motor is rotatably connected with first stirring device.

LI C

Preparation of silicon carbide/graphene negative electrode composite material used for flexible water system asymmetric capacitor, involves cleaning tantalum sheet, spreading polydimethylsiloxane solution, curing, performing direct current arc plasma spraying, and stripping tantalum sheet.

LI C, LI H, ZHU K, LI M

Preparing graphene composite film, involves starting evaporation module for vacuum-evaporation coating, depositing catalyst film layer on surface of flexible base film, and heating and drying and shaping wet film layer by shaping module set at downstream of pattern generating roller device.

LI C, DU X, HAO M

Preparing mesoporous tin oxide nanorod/nitrogen doped graphene sensitive material useful for absorbing formaldehyde comprises mixing tin salt solution and graphene oxide, adding nitrogen doping agent, freezing, drying and cooling.

LU J, CAO Q, WANG Y, XU C, LI C

Preparing graphene from carbon nanotubes for preparation of graphene-reinforced metal composite material, by dispersing carbon nanotubes in solvent, coating on clean metal substrate, evaporating solvent, sandwiching for rolling without lubrication, folding in half, and gradually expanding.

MEI Q, CHEN Z, MEI X, CHEN F, XU T, WANG Y, SHAO H, LI C, ZHANG G

Mono-atom dispersed graphene foam with nitrogen-doped carbon nanospheres used in preparation of anode material for lithium-sulfur battery, is grown with carbon nanospheres doped with nitrogen atoms and single metal atoms.

LI H, LIU J, ZHANG Y, LI C, HU C, ZHANG N

Method for preparing graphene by using waste graphite of negative electrode of lithium battery, involves heating electrolyte in electrolytic cell to melt and keep warm, and respectively immersing anode and cathode in electrolyte.

XU J, LIN Q, WU X, WANG Y, RUAN D, LI C

Preparing graphene-based heterogeneous electrocatalytic cathode in wastewater treatment, involves dissolving transition metal salt or complex in graphene oxide dispersion liquid for wet co-spinning, obtaining graphene oxide composite fiber.

HU C, LI C, LI L, ZHANG Y, YANG X