Fig. 6

CV curves at different scan rates of (a) NiO, (b) Mn3O4, (c) NiO–Mn3O4 nanocomposite, (d) CV profiles of the electrodes recorded at a scan rate of 80 mV s−1.

CV curves at different scan rates of (a) NiO, (b) Mn3O4, (c) NiO–Mn3O4 nanocomposite, (d) CV profiles of the electrodes recorded at a scan rate of 80 mV s−1.