WO₃ Nanowires on Graphene Sheets as Negative Electrode for Supercapacitors

Figure 4

(a) Constant current charge/discharge profiles for NW/Ex-GF (b) Nyquist plots for ANW/Ex-GF and NW/Ex-GF electrodes measured at −0.5 V DC potential in the frequency range of 100 kHz to 10 mHz.

(a)

(b)