▎ 摘　　要

NOVELTY - Graphene-based electric heating plate doped with titanium quantum dots comprises an insulating layer and a graphene conductive film arranged on the insulating layer, where the preparation method of graphene conductive film comprises e.g. providing graphite powder, using modified Hummers method to obtain graphene oxide, and obtain a graphene dispersion by centrifugation and resuspension, providing titanium raw material, using liquid phase stripping method to strip the titanium raw material, after centrifugation, resuspensing to obtain titanium quantum dot dispersion, taking first dispersant, stirring, slowly adding graphene dispersion and conductive carbon black to the first dispersant to obtain graphene-carbon black paste, taking first dispersant, stirring, slowly adding titanium quantum dot dispersion and peeling resin to first dispersant to obtain a titanium quantum dot slurry, slowly adding titanium quantum dot slurry and second dispersant to stirring graphene carbon black slurry. USE - Used as graphene-based electric heating plate doped with titanium quantum dots. ADVANTAGE - The graphene-based electric heating plate doped: has rapid production process, convenient thickness control, and rapid preparation process, has flexible and anti-tear or anti-breaking functions. DETAILED DESCRIPTION - Graphene-based electric heating plate doped with titanium quantum dots comprises an insulating layer and a graphene conductive film arranged on the insulating layer, where the preparation method of the graphene conductive film comprises providing graphite powder, using the modified Hummers method to obtain graphene oxide, and obtain a graphene dispersion of 5-150 mg/ml by centrifugation and resuspension, providing titanium raw material, using liquid phase stripping method to strip the titanium raw material, after centrifugation, resuspensing to obtain 5-80 mg/ml titanium quantum dot dispersion, taking 50-250 pts. wt. first dispersant, stirring, slowly adding 15-40 pts. wt. graphene dispersion and 5-25 pts. wt. conductive carbon black to the first dispersant to obtain graphene-carbon black paste, taking 50-250 pts. wt. first dispersant, stirring, slowly adding 40-120 pts. wt. titanium quantum dot dispersion and 5-20 pts. wt. peeling resin to the first dispersant to obtain a titanium quantum dot slurry, slowly adding the titanium quantum dot slurry and 50-200 pts. wt. second dispersant to the stirring graphene carbon black slurry, after the dropwise addition is completed, transferring mixed solution to an autoclave at 70-100 degrees C, after the reaction is 0.5-2 hours, naturally cooling, and stirring is continued during the reaction, preparing titanium quantum dot doped graphene-based mixed solution, preparing of titanium quantum dot-doped graphene-based conductive ink, while stirring the titanium quantum dot-doped graphene-based mixture, adding 0.5-2.5 pts. wt. structure stabilizer to the titanium quantum dot doped graphene-based mixed solution, 0.5-2.5 pts. wt. polyacrylonitrile-maleic anhydride copolymer and 5-10 pts. wt. leveling agent, after addition, continue stirring for 0.5-6 hours to obtain titanium quantum dot doped graphene-based conductive ink, providing an insulating base layer, arranging titanium quantum dots doped graphene-based conductive ink on the insulating layer by knife coating, spin coating, direct writing, screen printing, silk printing or inkjet printing, after curing to obtain titanium quantum dot-doped graphene-based electric heating plate, where the degree of polymerization of the polyacrylonitrile-maleic anhydride copolymer is 50-500. AN INDEPENDENT CLAIM are also included for electric heating device.