▎ 摘　　要

NOVELTY - Polyanionic sodium ion battery anode material, is new. The chemical formula of the material is as represented by (I). USE - Used as polyanionic sodium ion battery anode material. ADVANTAGE - The material has good multiplying power performance and cycle life, and is suitable for industrial amplification. DETAILED DESCRIPTION - Polyanionic sodium ion battery anode material, is claimed. The chemical formula of the material is Na4-(n-2)xMn1-xVMx(PO4)3C, M is dopant ion including tungsten ion, gallium ion, lanthanum ion, yttrium ion, ytterbium ion, tin ion, zirconium ion, niobium ion, or molybdenum ion; n is valence state of the dopant ion; and x = 0-0.2. An INDEPENDENT CLAIM is also included for preparing polyanionic sodium ion battery anode material.