Lithium battery positive electrode material as well as preparation method and application thereof

The invention discloses a lithium battery positive electrode material and a preparation method and application thereof. The preparation method comprises the following steps of fully grinding and mixing a rare earth metal ion doped lithium iron phosphate-lithium vanadium phosphate compound and sodium vanadium phosphate into particles, and calcining to obtain the lithium battery positive electrode material. The lithium battery positive electrode material has excellent rate capability and cycle performance, and has an application prospect. 本发明公开了一种锂电池正极材料及其制备方法和应用，该制备方法通过将所述稀土金属离子掺杂磷酸铁锂-磷酸钒锂复合物和所述磷酸钒钠充分研磨混合至颗粒状后，煅烧，获得锂电池正极材料，该锂电池正极材料具有优异的倍率性能和循环性能，具有应用前景。