▎ 摘　　要

NOVELTY - Preparation of electrospun carbon nanofiber/reduced graphene oxide/polyaniline/basic nickel carbonate composite electrode material includes adding polyacrylonitrile powder to N,N-dimethylformamide solution, heating in oil bath, stirring, electrospinning, pre-oxidizing, soaking in graphene oxide solution, taking out, washing, drying, coating with graphene oxide sheet, and carbonizing to obtain electrospun carbon nanofiber/reduced graphene oxide (GCNF) electrode material; dissolving ammonium persulfate and aniline in sulfuric acid solution respectively, putting two solutions at certain temperature, mixing to obtain mixed solution, adding GCNF electrode material, reacting to obtain membrane material, washing, and drying to obtain electrospun carbon nanofiber/reduced graphene oxide/polyaniline (GCNF/PANI) electrode material; and weighing sodium citrate, urotropine and nickel nitrate hexahydrate, adding to deionized water, ultrasonically dissolving, and adding GCNF/PANI electrode material. USE - The method is for preparation of electrospun carbon nanofiber/reduced graphene oxide/polyaniline/basic nickel carbonate composite electrode material used for supercapacitor (claimed). ADVANTAGE - The method is simple, convenient and easy to operate. The product has stable morphology, high specific surface area and conductivity, more active sites, excellent electrochemical energy storage performance, and good mechanical stability and electrochemical cycle stability. DETAILED DESCRIPTION - Preparation of electrospun carbon nanofiber/reduced graphene oxide/polyaniline/basic nickel carbonate composite electrode material comprises: (A) adding polyacrylonitrile powder to N,N-dimethylformamide solution, heating in oil bath, stirring at room temperature to obtain clear and transparent spinning solution, electrospinning to obtain electrospinning membrane, pre-oxidizing in tube furnace under air atmosphere, soaking pre-oxidized membrane in graphene oxide solution, taking out, washing with ethanol, drying, coating with graphene oxide sheet, placing in tube furnace, and carbonizing under nitrogen atmosphere to obtain electrospun carbon nanofiber/reduced graphene oxide (GCNF) electrode material; (B) dissolving ammonium persulfate and aniline in sulfuric acid solution respectively to obtain ammonium persulfate sulfuric acid solution and aniline sulfuric acid solution, putting two solutions at certain temperature for a period of time, mixing to obtain mixed solution, adding GCNF electrode material, reacting to obtain membrane material, washing, and drying to obtain electrospun carbon nanofiber/reduced graphene oxide/polyaniline (GCNF/PANI) electrode material; and (C) weighing sodium citrate, urotropine and nickel nitrate hexahydrate, adding to deionized water, ultrasonically dissolving in a reactor, adding GCNF/PANI electrode material, putting into oven, reacting, taking out membrane, washing with distilled water, and drying.