Figure 5
Electrochemical measurements (a) CV curves of Ag-Fe2O3 electrodes at a scan rate of 0.1 mV s−1 between 0.01 and 3.0 V, (b) Discharge and charge voltage profiles of Ag-Fe2O3 electrode at a current density of 100 mA g−1 for different cycles, (c) The cycling performance of Fe2O3 nanospheres and Ag-Fe2O3 composites electrode at 100 mA g−1, (d) Rate capabilities of Ag-Fe2O3 composites electrode, (e) The cycling performance of Ag-Fe2O3 composites electrode at 1 A g−1.
