▎ 摘　　要

NOVELTY - A lithium salt-graphene-containing composite material has microstructure comprising carbon nanoparticles, lithium salt nanocrystals and graphene. The surface of lithium salt nanocrystals is coated with carbon nanoparticles and graphene. USE - Lithium salt-graphene-containing composite material. ADVANTAGE - The lithium salt-graphene-containing composite material having excellent electric performance, and stability, and high capacity ratio, energy density and conductivity, is manufactured economically by simple process. Particles agglomeration is reduced during calcination. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of lithium salt-graphene-containing composite material, which involves mixing the precursor of nano-lithium salt and the organic carbon compound, and adding solution of graphene oxide to obtain mixed solution, or mixing and drying precursor of nano-lithium salt and the organic carbon compound, after the organic carbon compound is carbonized under heating, adding solution of graphene oxide, to obtain mixed solution, concentrating and drying the mixed solution to obtain solid mixture, heating solid mixture, cooling and pulverizing.