A high-capacity nickel-rich power type lithium ion battery positive electrode material and its preparation method

A high-capacity nickel-rich power type lithium ion battery positive electrode material and its preparation method, the nickel-rich high-capacity power type lithium ion battery positive electrode material of the formula LiaNi1-x (MM ') xO2 · M''O, where a = 0.9 -1.2,0≤x≤0.70, M is at least one of Co, Mn, Al in; M 'is Co, Al, V, Mn, Zr, Mg, Ti, Cr, Zr, La, Ce, Pr, Nd , Nb, Mo, Y, Sr, Ba, B, Sr, Sn, Ta is at least one; M''O as cladding layers, M '' is Co and Al. The present invention further comprises a method of preparing a high-capacity nickel-rich power type lithium ion battery positive electrode material. Material of the present invention is excellent processability and excellent material of the present invention is prepared using a battery, cycle characteristics and high voltage performance, safety and stability, can meet the performance requirements of the portable electronic device to the battery, and adapted for battery powered.