国家/地区 中国（7）
IPC部 C（7）
IPC大类 C01（7） C04（3） C25（2）
IPC小类 C01B（7）
IPC C01B032/205（7）
发明人 ZHANG J（7）
公开年 2022（4）
申请年 2020（2）  2021（2）  2022（2） 
专利权人

Preparing graphene heat-conducting film with graphene, comprises dispersing graphene filter cake and soluble polyimide in solvent to obtain uniform composite slurry with high viscosity, and performing vacuum defoaming treatment.

ZHANG J, NI J, SONG M, JIN C

Preparation of graphene heat conducting sheet for e.g. reinforcing longitudinal heat flux transmission, involves spraying graphene oxide quantum dots on inner edge surface of prepared annular graphene oxide film, placing in humidity box, compacting and molding, and graphitizing.

KONG X, JIAO Y, ZHANG J, ZHANG Z

Graphene device of radiating film, has graphene slurry flows to screen printing screen through feeding portion, graphene pre-designed pattern on screen printing net and carbonization graphitization portion is provided with carbonization portion.

ZENG B, ZHANG J, CHEN C

Graphitizing graphene thermal conductive film comprises e.g. placing graphene thermal conductive film with graphite paper clamped on both sides on graphite shaft, covering graphite crucible with cover to form thermally conductive film graphitized assembly, and installing graphitization assemblies.

DANG J, XU Y, ZHANG J, CAO H, WANG S, ZHANG X, LI D, YANG J, LIANG R, YUAN Q, WU F

Preparing high performance graphite by graphene oxide modified coal tar pitch, comprises e.g. crushing the coal asphalt, adding graphene oxide solution into anhydrous ethanol solution to obtain dispersion liquid and dispersing.

LIU Z, LIU B, ZHAO H, ZHANG D, YAN X, LIAN P, ZHANG J

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

Graphene preparation device comprises weak acid electrolyte, power supply, container, expandable graphite cake, conductive metal net, and metal plate.

ZHANG J