▎ 摘　　要

NOVELTY - The material has a load graphene aerogel pore structure provided with silica-coated metal oxide nano-particles, where the metal oxide nano-particles comprise cobalt oxide nanoparticles, nickel oxide nanoparticles and manganese oxide nano-particles. USE - Silicon dioxide and metal oxide/graphene aerogel double-load double-coated composite material. ADVANTAGE - The material is environmental-friendly, and has better electrochemical performance, simple preparation and low cost, and satisfies industrial production standards. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a silicon dioxide and metal oxide/graphene aerogel double-load double-coated composite material preparation method. DESCRIPTION OF DRAWING(S) - The drawing shows a graph illustrating a relationship between potential and current of a silicon dioxide and metal oxide/graphene aerogel double-load double-coated composite material preparation method.