▎ 摘　　要

NOVELTY - Preparing diantimony trioxide/carbon nanotube/graphene nano composite material comprises dissolving diantimony trioxide in alcohol solvent by heating to form clear and transparent solution, cooling, adding carbon nanotubes, ultrasonically dispersing for 0.5-10 hours, then adding graphene oxide aqueous dispersion for 0.5-10 hours, adding ascorbic acid and stirring for 6-48 hours to obtain black precipitate, centrifugating, washing, and drying. USE - The nanocomposite material is useful as cathode material for sodium ion batteries (claimed). ADVANTAGE - The composite material has excellent electrical conductivity and excellent structural stability, and exhibits excellent sodium storage properties.