▎ 摘 要
NOVELTY - A graphene-copper silicate grade heterogeneous nano composite material comprises a core comprising sheet-shaped graphene, and a shell comprising needle-like nano cupric silicate. The needle-like nano cupric silicate is arranged on surface of the core in form of array. USE - Graphene-copper silicate grade heterogeneous nano composite material is used as electrode material (claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the nano composite material, which involves using a surfactant, alcohol solvent, deionized water, graphene oxide, silicate ester, silicon dioxide, aqueous ammonia, and copper compound.