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<p>The effect of Ni doping on the morphological change of BiFeO<sub>3</sub> electrodes and the resulting effect on their electrochemical properties have been studied. The presence of rhombohedral distorted perovskite structure in the Ni-doped BiFeO<sub>3</sub> thin films has been confirmed through X-ray diffraction analysis. Through a detailed examination using a high-resolution scanning electron microscope, it is evident that the surface morphology of the Ni-doped BiFeO<sub>3</sub> thin films is like Cubic and interconnected spheres to form nanoflakes and can be altered by doping percentage. Achieving a specific capacitance of 399.28 F/g from cyclic voltammetry and 417.70 F/g from galvanostatic charge/discharge has been observed. The material shows impressive cycling retention of 86.59% after 10,000 cycles is a key finding of our study. The electrochemical impedance analysis of the 4% Ni-doped BiFeO<sub>3</sub> electrode revealed a lowest&#xa0;charge transfer resistance of 18.61 Ω cm<sup>2</sup>.</p>

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Morphological alteration by Ni doping on BiFeO3 electrodes for supercapacitor applications

  • 期刊论文

  • 发表日期：

    2025年6月28日

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  • V. B. Ranmale,
  • G. A. Bhinge,
  • P. A. Magdum,
  • L. D. Kadam,
  • T. J. Shinde

摘要

The effect of Ni doping on the morphological change of BiFeO3 electrodes and the resulting effect on their electrochemical properties have been studied. The presence of rhombohedral distorted perovskite structure in the Ni-doped BiFeO3 thin films has been confirmed through X-ray diffraction analysis. Through a detailed examination using a high-resolution scanning electron microscope, it is evident that the surface morphology of the Ni-doped BiFeO3 thin films is like Cubic and interconnected spheres to form nanoflakes and can be altered by doping percentage. Achieving a specific capacitance of 399.28 F/g from cyclic voltammetry and 417.70 F/g from galvanostatic charge/discharge has been observed. The material shows impressive cycling retention of 86.59% after 10,000 cycles is a key finding of our study. The electrochemical impedance analysis of the 4% Ni-doped BiFeO3 electrode revealed a lowest charge transfer resistance of 18.61 Ω cm2.