▎ 摘　　要

NOVELTY - Preparation of graphene-nano carbon particles composite material involves oxidizing graphite, adding obtained oxidized graphene to water, preparing suspension, adding nano carbon particles to aqueous solution of surfactant, preparing suspension of nano carbon particles, mixing the suspension of oxidized graphene with suspension of nano carbon particles, preparing mixed suspension liquid, performing spray-drying of obtained liquid, performing reduction treatment of resultant powder, cooling, drying, and obtaining graphene composite loaded with nano carbon particles. USE - Preparation of graphene-nano carbon particles composite material used as supercapacitor material, catalyst carrier and infrared optical material (all claimed). DETAILED DESCRIPTION - Preparation of graphene-nano carbon particles composite material involves oxidizing graphite, preparing oxidized graphene, adding obtained oxidized graphene to water, preparing a suspension, adding nano carbon particles to aqueous solution of surfactant, preparing suspension of nano carbon particles, mixing the suspension of oxidized graphene with suspension of nano carbon particles, preparing mixed suspension liquid, performing spray-drying of obtained suspension liquid, obtaining powder, performing reduction treatment of resultant powder in reducing gas atmosphere, or placing the obtained powder in an inert gas atmosphere, and preheating the powder, cooling to room temperature, washing, drying, and obtaining graphene composite loaded with nano carbon particles.