Research Article

Enhancing the Electrochemical Energy Storage Performance of Bismuth Ferrite Supercapacitor Electrodes via Simply Induced Anion Vacancies

Figure 4

(a) CV curves of BiFeO3-X obtained at various concentrations of KOH. (b) Oxidation peak difference depending on the concentration of KOH. (c) Stability test of BiFeO3-X at a current density of 2 A g−1. Inset shows the galvanic charge–discharge curves upon cycling.
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(b)
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