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. 2016 Mar 30;9(4):246. doi: 10.3390/ma9040246

Figure 4.

Figure 4

Cyclic voltammograms of (a) PD(MnO2/Ni); (b) PS(MnO2/Ni); (c) PS + PD(MnO2/Ni) electrodes obtained at various scan rates; and (d) plots of specific capacitance vs. potential scan rate; and (e) Nyquist plots of PD(MnO2/Ni), PS(MnO2/Ni), and PS + PD(MnO2/Ni) electrodes.