Research Article
Enhancing the Electrochemical Energy Storage Performance of Bismuth Ferrite Supercapacitor Electrodes via Simply Induced Anion Vacancies
Figure 3
(a) Cyclic voltammetry (CV) curves of BiFeO3 (blue) and BiFeO3-X (red) in 1 M KOH. (b) CV curves obtained at various scan rates of BiFeO3-X. For BiFeO3 and BiFeO3-X, (c) anodic peak current densities associated with various scan rates, (d) galvanic charge–discharge curves obtained at a current density of 2 A g−1, (e) specific capacitance associated with various current densities, and (f) electrochemical impedance spectroscopy curves. Inset shows equivalent circuit of the Nyquist plot.
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