▎ 摘　　要

NOVELTY - A chargeable and dischargable preparation of aluminum ion battery positive electrode material, comprises dipping water-sodium-manganese ore type manganese dioxide graphene composite material in aluminum trifluoromethyl sulfonic acid aqueous solution to obtain (AlOH)xMnO2.nH2O material of brucite type structure. USE - Charging and discharging method of aqueous aluminum ion battery positive electrode material. Uses include but are not limited to military communication, aerospace, electric and hybrid vehicles. ADVANTAGE - The method provides a charging and discharging water-based aluminum ion battery positive electrode material with good discharge specific capacity, cycle performance and coulomb efficiency, low cost, large capacity, long service life, good safety performance, and large interlayer distance, which is good for the embedding and falling of the aluminum ion. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the chargeable and dischargeable aqueous aluminium ion battery positive electrode material.