Figure 8

Discharge profiles at the 1^st and 20^th cycle in the voltage range of 2.0–4.8 V for (a) pristine OLO, (b) a-CoPO₄ coated OLO and the dQ/dV plots derived from the initial and 20^th cycle curves for (c) OLO and (d) a-CoPO₄ coated OLO, respectively.