Synthesis and Characterization of 𝐋𝐢𝐍𝐢_0.7--𝑥𝐌𝐠_𝑥𝐂𝐨_0.3𝐎₂ (0≤𝑥≤0.1) Cathode Materials for Lithium-Ion Batteries Prepared by a Sol-Gel Method

Figure 8

The specific discharge capacities versus cycle number of Li/LiNi_0.65Mg_0.05Co_0.3O₂ cells at different rate 0.1 C, 0.2 C, 0.3 C, 1 C, and 2 C in the voltage range 2.0–4.6 V ((a)=0.1C;  (b)=0.2C; (c)=0.3C; (d)=1C; (e)=2C).