▎ 摘　　要

NOVELTY - Preparation of anode material, involves (S1) preparing mixture of transition metal source, sodium source and polyanion source and adding it to a reactor, where the transition metal source is simple transition metal or transition metal oxide, (S2) adding organic acid to the reactor, heating, and stirring continuously until the transition metal source is completely dissolved, (S3) adding carbon source, stirring and drying to obtain precursor powder, (S4) subjecting the precursor powder to heat treatment in an inert gas atmosphere, and cooling to room temperature with a furnace after the heat treatment is completed. USE - Preparation of anode material for polyanionic sodium battery based on organic acid dissolution method. ADVANTAGE - The mixed solution has uniform ion distribution, and the dried precursor particles are small, and the corresponding electrode material can be directly calcined at high temperature without the need for crushing treatment.