▎ 摘　　要

NOVELTY - Preparing high temperature resistant graphene comprises preparing porous copper hollow sphere, preparing the sugar solution containing carbon, adding into the reaction kettle, adding KOH, then putting in the reaction kettle for high temperature reaction, filtering, dehydrating to obtain brown sample, dry box the condition of high temperature calcining at high temperature in inert atmosphere dry at high temperature, cooling to room temperature, obtaining the activated black porous carbon ball, adding the ethylene diamine tetraacetic acid, citric acid, copper salt into purple complex solution, adding porous carbon ball stirring for a certain time, continuously adding reduction agent stirring for 1 hour, filtering to obtain the carbon/cuprous oxide ball, high temperature calcining remove carbon, introducing reducing gas to ensure the cuprous oxide is completely reduced, obtaining the porous copper hollow ball. USE - The method is useful for preparing high temperature resistant graphene. DETAILED DESCRIPTION - Preparing high temperature resistant graphene comprises (1) preparing porous copper hollow sphere, preparing the sugar solution containing carbon, adding into the reaction kettle, adding KOH, then putting in the reaction kettle for high temperature reaction, filtering, dehydrating to obtain brown sample, dry box the condition of high temperature calcining at high temperature in inert atmosphere dry at high temperature, cooling to room temperature, obtaining the activated black porous carbon ball, adding the ethylene diamine tetraacetic acid, citric acid, copper salt into purple complex solution, adding porous carbon ball stirring for a certain time, continuously adding reduction agent stirring for 1 hour, filtering to obtain the carbon/cuprous oxide ball, high temperature calcining remove carbon, introducing reducing gas to ensure the cuprous oxide is completely reduced, obtaining the porous copper hollow ball, (2) adding micronsized AlN spherical powder using titanic acid ester coupling agent sand mill dispersing, forming stable alcohol slurry, low temperature dry avoid powder agglomeration, and then calcining at high temperature to obtain titanium oxide coated aluminium nitride composite powder, (3) TiC/C preparation AlN composite powder: using organic macromolecule to coat the composite powder of titanium oxide coated aluminium nitride for the second time, freezing, dry under the inert atmosphere to carbonize the organic macromolecule, continuously increasing the temperature to make the carbon reduction titanium oxide as titanium carbide, namely obtaining TiC/C coated AlN composite powder, (4) preparation graphene micro-sheet slurry: the expansion graphite to the water solution of the intercalation dispersing agent, agent, wetting agent while stirring, stirring and mixing uniformly, then crushing for a certain time by roller zirconium ball grinder, then dispersing by sand mill, peeling the graphene is less than 10 microns of the nano sheet slurry, (5) adding the preparation graphene nano sheet slurry porous the hollow copper ball, TiC/C coating AlN composite powder and antisettling agent, high speed emulsifying machine to disperse to the required viscosity.