Enhancement in the electrochemical performance of ZnFe₂O₄ via Bi doping for supercapacitor applications

Key Points

• Improved electrochemical performance is observed in Bi-doped zinc ferrite compared to undoped samples.
• The specific capacitance reached 350 F/g, indicating a significant increase in energy storage ability.
• Analysis of electrochemical properties using cyclic voltammetry and galvanostatic charge-discharge methods was conducted.
• These findings suggest that Bi doping enhances the performance of zinc ferrite for practical energy storage applications.