▎ 摘　　要

NOVELTY - The preparation of lithium manganese silicate for lithium ion battery cathode material involves loading porous silica on the surface of graphene to form graphene silica, adding manganese salt, lithium salt, additive, and organic solvent or mixed solution of organic solvent and water to graphene silica, uniformly mixing to obtain solution (A), adding solution (A) with organic acid or organic amine, heating the solution to obtain volatile solid (B), heat treating resulting solid to obtain intermediate product (C), processing the product by grinding and pressing and calcining. USE - Preparation of lithium manganese silicate for lithium ion battery cathode material (claimed). ADVANTAGE - The method enables preparation of lithium manganese silicate for lithium ion battery cathode material, achieves uniform load in graphene surface, and effectively improve the conductivity of the material. DETAILED DESCRIPTION - The preparation of lithium manganese silicate for lithium ion battery cathode material involves loading porous silica on the surface of graphene to form graphene silica, adding manganese salt to the organic solvent or mixed solution of organic solvent and water, lithium salt, additive and graphene silica, uniformly mixing to obtain solution (A), adding solution (A) with organic acid or organic amine as a pH adjusting agent, heating the solution to obtain volatile solid (B), heat treating resulting solid under the protection of inert atmosphere to obtain intermediate product (C), processing the product by grinding and pressing and calcining under inert atmosphere.