fig4

Figure 4. (A) Initial charge-discharge plots with Coulombic efficiency (i) and cycle performance (ii) of the as-prepared Li_xMn_0.56Ni_0.16Co_0.08O₂ samples^[64]. (B) Initial charge-discharge curves (i) and average discharge voltage during cycling with the differential capacity curve (dQ/dV) (ii) of the Li[Li_0.2Ni_0.2-x/2Mn_0.6-x/2Co_x]O₂ (0 ≤ x ≤ 0.24) samples^[70]. (C) Capacity (i) and average voltage retention (ii) of as-prepared Li_0.7Mn_0.78Co_0.22O₂ (LMCO), Li_0.75Mn_0.78Co_0.11Ni_0.11O₂ (LMCNO) and Li_0.74Mn_0.78Ni_0.22O₂ (LMNO) during cycling^[69].