▎ 摘　　要

NOVELTY - A graphene supercapacitor slurry preparing method involves configuring graphene adhesive dispersion liquid by adding graphene dispersion into adhesive, dispersing and stirring, kneading and mixing of the electrode active material and the graphene adhesive dispersion liquid, taking total amount of the graphene adhesive dispersion liquid and mixing it with the adhesive grapheme, adding active electrode material to the liquid, kneading and stirring and mixing, adding the remaining graphene adhesive dispersion to the mixture after the first kneading at a speed of 5-100 rpm for 30-600 minutes and stirring, performing the second kneading and stirring, adding solvent to dilute and dispersing, adding solvent to the stirring tank for dilution and dispersion, stirring at a speed of 10-100 rpm and dispersing at a speed of 500-30000 rpm for 10-600 minutes in a vacuum environment to obtain graphene supercapacitor slurry having viscosity of 3000-8000 mPa.S. USE - Method for preparing graphene supercapacitor slurry for preparing graphene supercapacitor (claimed). ADVANTAGE - The method enables preparing graphene supercapacitor slurry with low film resistivity, high energy density, low direct current resistor and high power density. DETAILED DESCRIPTION - A graphene supercapacitor slurry preparing method involves configuring graphene adhesive dispersion liquid by adding graphene dispersion into adhesive at a mass ratio of 1:2-1:20, dispersing at a speed of 800-3000 rpm for 30-60 minutes and stirring at a stirring speed of 10-100 rpm for 30-60 minutes, stepwise kneading and mixing of the electrode active material and the graphene adhesive dispersion liquid, taking 20-70% total amount of the graphene adhesive dispersion liquid and mixing it with the adhesive grapheme, adding active electrode material to the liquid, kneading at a specific surface area of 1500 m2/g and stirring at a speed of 5-100 rpm for 10-180 minutes and mixing, where the electrode active material includes a conductive agent and a mixture activated carbon, activated carbon fiber, capacitor carbon, graphite, or other forms of carbon materials, adding the remaining graphene adhesive dispersion to the mixture after the first kneading at a speed of 5-100 rpm for 30-600 minutes and stirring, performing the second kneading and stirring, adding solvent to dilute and dispersing, adding solvent to the stirring tank for dilution and dispersion, stirring at a speed of 10-100 rpm and dispersing at a speed of 500-30000 rpm for 10-600 minutes in a vacuum environment to obtain graphene supercapacitor slurry having viscosity of 3000-8000 mPa.S. An INDEPENDENT CLAIM is also included for a graphene supercapacitor prepared by using graphene supercapacitor slurry.