Characterization of Porous WO₃ Electrochromic Device by Electrochemical Impedance Spectroscopy

Figure 6

AC impedance curves of porous WO₃ electrode from electrochromic glass under dyed (■) and bleached (□) states: (a) bode plot, (b) Nyquist plot, and (c) Nyquist plot in a high-frequency range.

(a)

(b)

(c)