The positive electrode material P5 had a formula of Li1.03(Ni0.896Co0.057Mn0.037Al0.007Zr0.002Sr0.001)O2/B2O3.
As mentioned above, the obtained positive electrode material P5 was subjected to extreme water washing and testing for its intrinsic specific surface area and intrinsic pore size. The results were listed in Table 1-2.
As mentioned above, the obtained positive electrode material P5 was used in preparing a lithium ion battery sample, and subjected to the performance evaluation. The results were shown in Table 1-3.