▎ 摘　　要

NOVELTY - Sodium-ion battery anode material, comprises active material and conductive agent, where the chemical formula of active material is Nax+2y+2M2-y(PO4)x(SO4)3-x. USE - The anode material is useful in a sodium-ion battery (claimed) and as a secondary battery in vehicle-mounted power system. ADVANTAGE - The anode material: has high stability, high oxidation-reduction potential, simple technique and low characteristics. DETAILED DESCRIPTION - Sodium-ion battery anode material, comprises active material and conductive agent, where the chemical formula of active material is Nax+2y+2M2-y(PO4)x(SO4)3-x. M = Mn, Fe, Co, Ni, Cu, Zn, Ca and/or Mg; x = 0-0.5; and y = 0.5. INDEPENDENT CLAIMS are also included for: preparing the sodium ion battery anode material; and a sodium-ion battery.