▎ 摘　　要

NOVELTY - Manufacture of graphene-based pseudocapacitance-type supercapacitor involves coating mixture (A) obtained by dissolving graphene material in a dispersion, mixture (B) obtained by mixing a graphene material, a pseudocapacitance material and an additive, and mixture (C) obtained by mixing the graphene material with the additive on top of a current collector, respectively, and drying. The pseudocapacitance material is e.g. nickel oxide, titanium dioxide, polypyrrole, poly-3,4-ethylenedioxythiophene, polyaniline, polythiophene and/or polyphenylene sulfide. USE - Manufacture of graphene-based pseudocapacitance-type supercapacitor (claimed). ADVANTAGE - The method enables manufacture of graphene-based pseudocapacitance-type supercapacitor with high power density and energy density. DETAILED DESCRIPTION - Manufacture of graphene-based pseudocapacitance-type supercapacitor involves dissolving graphene material in a dispersion, obtaining a mixture (A), mixing a graphene material, a pseudocapacitance material and an additive, obtaining a mixture (B), mixing the graphene material with the additive, obtaining a mixture (C), coating mixtures (A-C) on top of a current collector, respectively, and drying. The pseudocapacitance material is nickel oxide, titanium dioxide, ruthenium oxide, iron oxide, vanadium pentoxide, manganese oxide, lead oxide, 2,5-dimethyloxy-1,4-benzoquinone, 1,4-benzoquinone, 1,2-benzoquinone, polypyrrole, poly-3,4-ethylenedioxythiophene, polyaniline, polythiophene and/or polyphenylene sulfide. The additive is polyvinyl alcohol, polyvinylidene fluoride, polyethylene, polypropylene, polytetrafluoroethylene, polystyrene, polymethylmethacrylate, polyhydroxyethyl methacrylate, polyacrylamide or polyimide.