Lithium nickel-based composite oxides as positive electrode active materials for rechargeable lithium ion batteries

The present invention relates to a lithium nickel-based oxide positive electrode active material for a lithium ion secondary battery suitable for electric vehicle and hybrid electric vehicle applications, the positive electrode active material comprising lithium transition metal-based oxide particles, the lithium transition metal-based oxide particles comprise zirconium. 本发明涉及一种用于锂离子二次电池的锂镍基氧化物正电极活性材料和所述正电极材料的制备方法，该锂离子二次电池适用于电动车辆和混合动力电动车辆应用，该正电极活性材料包含锂过渡金属基氧化物粒子，这些锂过渡金属基氧化物粒子包含锆。