▎ 摘　　要

NOVELTY - A three-dimensional graphene network framework supported sodium fluorovanadyl phosphate composite microspheres comprises particle diameter of 1-5 microns. The particle size of embedded nanoparticles is 200-500 nm. USE - Three-dimensional graphene network framework supported sodium fluorovanadyl phosphate composite microspheres (claimed). ADVANTAGE - The three-dimensional graphene network framework supported sodium fluorovanadyl phosphate composite microspheres has high yield, mild reaction condition, and excellent electrochemical performance, and is prepared by simple process. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation method of three-dimensional graphene network framework supported sodium fluorovanadyl phosphate composite microspheres.