Positive electrode material, preparation method and battery positive electrode plate

The invention belongs to the field of batteries, and provides a positive electrode material, a preparation method and a battery positive electrode plate. The preparation method of the positive electrode material comprises the following steps: contacting the high-nickel ternary positive electrode material with an aqueous solution containing zirconium ions and an aqueous solution containing phosphate radicals, and roasting to generate zirconium hydrogen phosphate on the surface of the high-nickel ternary positive electrode material to obtain the coating layer. When the prepared positive electrode material is used for a battery positive electrode plate, high cycle stability is achieved. 本发明属于电池领域，提供一种正极材料及制备方法和电池正极极片。所述正极材料的制备方法包括：将高镍三元正极材料与含锆离子的水溶液和含磷酸根的水溶液接触、焙烧，以在高镍三元正极材料的表面生成磷酸氢锆，得到包覆层。所制备的正极材料用于电池正极极片时，具有高循环稳定性。