▎ 摘　　要

NOVELTY - Manufacturing nitrogen doped graphene super capacitor based on redox active electrolyte comprises e.g. using surfactant hexadecyl trimethyl ammonium bromide and dissolving in graphene oxide dispersion liquid, adding to ammonium sulfate and pyrrole monomer to solution system, under ice bath condition, adding oxidizing agent in ammonium sulfate in initiating pyrrole monomer polymer, evenly polypyrrole layer growing on graphene oxide surface, forming the graphene-poly pyrrole compound, using graphite-polypyrrole compound as precursor and alkali metal hydroxide mixture, and sintering. USE - The method is useful for manufacturing nitrogen doped graphene super capacitor based on redox active electrolyte (claimed). ADVANTAGE - The method can increase supercapacitor specific volume by 3 times, and enhances the super capacitor energy density and specific volume. DETAILED DESCRIPTION - Manufacturing nitrogen doped graphene super capacitor based on redox active electrolyte comprises (i) using surfactant hexadecyl trimethyl ammonium bromide and dissolving in graphene oxide dispersion liquid, where the mass ratio of hexadecyl trimethyl ammonium bromide and graphene oxide is 60:1, adding to ammonium sulfate and pyrrole monomer to solution system, under ice bath condition, adding oxidizing agent in ammonium sulfate in initiating pyrrole monomer polymer, evenly polypyrrole layer growing on oxidation graphene surface, forming the graphene-poly pyrrole compound, then using graphite-poly pyrrole compound as precursor and alkali metal hydroxide mixture, inert atmosphere is 500-900 degrees C, sintering for 1-4 hours, again through washing, filtering to prepare nitrogen doped graphene electrode material, (ii) using dihydric phenol, dissolving in acid electrolyte solution and forming redox active electrolyte, where the dihydric phenol is catechol, resorcinol or hydroquinone, acid electrolyte solution mol concentration is 1 mol/l and sulfur acid solution or phosphoric acid solution, and (iii) using step (i) prepared nitrogen doped graphene electrode material, acetylene black and polydifluoro ethylene deviation binder according to mass ratio of 85:10:5, mixing uniform to obtain slurry, evenly coating slurry on stainless steel current collector surface forming active electrode, again using two of the same active electrode and the active side with lyophilic glass fiber, preparing redox active electrolyte, as symmetrical capacitor.