▎ 摘　　要

NOVELTY - Preparation of cobalt-nickel-manganese sulfide-silver nanowire-graphene composite electrode material involves adding aminated silver nanowires and carboxylated graphene to deionized water, reacting, separating silver nanowire/graphene complex, adding silver nanowire/graphene complex to deionized water, adding cobalt-nickel-manganese sulfide nanowires supported on nickel foam to obtained aqueous solution of silver nanowire/graphene complex, repeatedly dipping-pulling, and drying. The cobalt-nickel-manganese sulfide nanowires loaded on nickel foam is prepared by adding cobalt salt, nickel salt, manganese salt, urea and ammonium fluoride to deionized water, transferring obtained cobalt-nickel-manganese precursor to a hydrothermal reactor, adding nickel foam, reacting, filtering, cleaning filtered product, adding obtained cobalt-nickel-manganese precursor loaded on nickel foam carrier to sodium sulfide nonahydrate aqueous solution, reacting, filtering, washing the filtrate, and drying. USE - Preparation of cobalt-nickel-manganese sulfide-silver nanowire-graphene composite electrode material (claimed) used for supercapacitor. ADVANTAGE - The cobalt-nickel manganese sulfide-silver nanowire-graphene composite electrode material exhibits high specific capacitance, good magnification performance, low transmission resistance, excellent cycle stability performance, and has great application potential in the supercapacitor field. DETAILED DESCRIPTION - Preparation of cobalt-nickel-manganese sulfide-silver nanowire-graphene composite electrode material involves adding aminated silver nanowires and carboxylated graphene to deionized water, reacting, separating silver nanowire/graphene complex, adding silver nanowire/graphene complex to deionized water to obtain aqueous solution of silver nanowire/graphene complex, adding cobalt-nickel-manganese sulfide nanowires supported on nickel foam to the aqueous solution of silver nanowire/graphene complex, repeatedly dipping-pulling, and drying. The cobalt-nickel-manganese sulfide nanowires loaded on nickel foam is prepared by adding cobalt salt, nickel salt, manganese salt, urea and ammonium fluoride to deionized water to prepare cobalt-nickel-manganese precursor, transferring the cobalt-nickel-manganese precursor to a hydrothermal reactor, adding nickel foam, reacting, filtering, cleaning filtered product to obtain cobalt-nickel-manganese precursor loaded on a nickel foam carrier, adding cobalt-nickel-manganese precursor loaded on the nickel foam carrier to sodium sulfide nonahydrate aqueous solution, reacting, filtering, washing the filtrate, and drying. The aminated silver nanowires are prepared by stirring silver nanowire ethanol dispersion, cysteine and ethanol at room temperature, reacting, and centrifuging.