▎ 摘　　要

NOVELTY - Iron-doped manganese dioxide complex reduced graphene oxide material comprises alpha -phase manganese dioxide, iron-doped manganese dioxide refers to the substitution of iron for part of the manganese position in the manganese dioxide crystal lattice. The complex reduced graphene oxide material refers to the iron-doped manganese dioxide supported on the graphene sheet. USE - The iron-doped manganese dioxide complex reduced graphene oxide material is useful as a anode active material in the anode of a zinc ion battery (claimed). ADVANTAGE - The material enhances the conductivity of the material and inhibit the dissolution of manganese ion, has high specific capacity and anode material for zinc ion battery with good cycle stability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the iron-doped manganese dioxide complex reduced graphene oxide material comprising (i) dissolving manganese sulfate and ferric nitrate in water, adding dilute sulfuric acid dropwise, stirring until uniform, adding potassium permanganate solution dropwise, after stirring for a period of time, subjecting the reactants to ultrasonic treatment, and transferring the resulting solution to the reactor, hydrothermal reaction is carried out at 100-150 degrees C, and the reaction time is 8-15 hours to obtain iron-doped manganese dioxide, and (ii) washing the iron-doped manganese dioxide with water and ethanol twice to remove impurities, and vacuum drying, dissolving the dried iron-doped manganese dioxide in water, adding graphite oxide, stirring until uniform, transferring the resulting solution to the reactor, hydrothermally reacting.