▎ 摘　　要

NOVELTY - Composite material of graphene loaded manganese dioxide comprises graphene and MnO2 particles of two-dimensional layered structure, manganese dioxide presents loose flower shaped sheet layer structure, manganese dioxide particles are distributed on the surface and inside of the graphene sheet layer, the MnO2 particles are wrapped by adjacent graphene layer. USE - The composite material of graphene-loaded manganese dioxide is useful in the field of electrode material (claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for battery comprises anode is the electrode material and the cathode is lithium, sodium, liquid sodium potassium alloy and potassium, preferably subjecting solid sodium and potassium to physical contact and external force, and the two are mutually soluble to form a sodium potassium alloy.