▎ 摘　　要

NOVELTY - Preparing large-scale cation intercalated layered manganese dioxide material, comprises (1) dissolving potassium permanganate, concentrated sulfuric acid solution, and anhydrous methanol in ultrapure water, stirring evenly, and heating to obtain manganese dioxide nanosheets dispersion, (2) dissolving pre-intercalated cations including organic ammonium cations containing salt in ultrapure water to obtain salt solution, and (3) adding the salt solution into the manganese dioxide nanosheets dispersion, and stirring at a stirring speed of 200-1000 revolutions/minute until precipitation precipitates, filtering, washing and drying to obtain final product, where the ratio of the amount of the pre-intercalated cations containing salt in salt solution to the amount of the manganese element in the manganese dioxide nanosheet dispersion is 100:3-15 and the layer spacing of the layered manganese dioxide material embedded with large-scale cations is 7.2-12 Å. USE - The large-scale cation intercalated layered manganese dioxide material is useful for preparation of anode of aqueous zinc-ion battery (claimed). ADVANTAGE - The large-scale cation intercalated layered manganese dioxide material: solves problem of existing layered manganese dioxide interlayer modification method cannot expand δ-manganese dioxide layer spacing in a large range. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for use of large-scale cation intercalated layered manganese dioxide material for preparation anode of aqueous zinc-ion battery. The use method utilizes large-scale cation intercalated layered manganese dioxide material, conductive agent, binder and N-methylpyrrolidone and current collector.