▎ 摘　　要

NOVELTY - Graphene-iron titanate-titanium dioxide nanofiber composite material comprises iron titanate-titanium dioxide nanofiber, and graphene which is coated on the surface of the iron titanate-titanium dioxide nanofiber. USE - Graphene-iron titanate-titanium dioxide nanofiber composite material as lithium ion battery anode material (claimed). ADVANTAGE - The graphene-iron titanate-titanium dioxide nanofiber composite material has high charge and discharge specific capacity, good cycling stability and rate performance and potential of mass production, and is prepared in simple manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene-iron titanate-titanium dioxide nanofiber composite material, which involves: (A) adding graphene oxide to deionized water, and obtaining a graphene oxide dispersion by ultrasound; (B) adding iron titanate-titanium dioxide nanofiber composite material to anhydrous ethanol, where ratio of the iron titanate-titanium dioxide nanofiber composite material to anhydrous ethanol is (2-3):1, adding triaminopropyltrimethoxysilane (APS), where ratio of the triaminopropyltrimethoxysilane to anhydrous ethanol is (0.01-0.04):1, dispersing oil uniformly, stirring in the bath, setting the oil bath temperature to 70-100 degrees C, stirring the oil bath for 10-14 hours, then cooling to room temperature, washing and drying to obtain solid sample; and (C) dispersing solid sample obtained into deionized water to obtain solid sample dispersion, where concentration of the solid sample dispersion is 1-3 mg/mL, configuring solid sample dispersion, stirring graphene oxide dispersion at room temperature for 30-40 minutes, adding hydrazine hydrate as a reducing agent, and after mixing, stirring reaction at 80-100 degrees C for 10-14 hours, cooling to room temperature, washing and drying to obtain graphene-iron titanate-titanium dioxide nanofiber composites.