Figure 3

(a) Charge-discharge profiles of the as-prepared manganese oxides at 1.5 C, (b) Rate performance of M2 electrode, (c) Cycling performance of M0 and M2 electrodes at 1.5 C, and (d) Long cycling stability of M2 electrode at 50 C.

(a) Charge-discharge profiles of the as-prepared manganese oxides at 1.5 C, (b) Rate performance of M2 electrode, (c) Cycling performance of M0 and M2 electrodes at 1.5 C, and (d) Long cycling stability of M2 electrode at 50 C.