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<p>Bimetallic oxides have emerged as promising electrode materials for supercapacitors due to their high specific capacitance and good electrical conductivity. In the present study nanostructured CoV₂O₆ was synthesized via a rheological phase reaction method. The synthesized material was characterized using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy. The effect of electrolyte concentration on the electrochemical performance of CoV₂O₆ electrode was systematically investigated. The electrode retained 99.18% of its initial capacitance after 7000 charge–discharge cycles, demonstrating excellent cycling stability. Furthermore, it delivered a high specific capacitance of 436 F g<sup>−1</sup> at a current density of 0.5 A g<sup>−1</sup>, indicating its potential as a sustainable electrode material for high-performance supercapacitors.</p>

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Unravelling the impact of potassium hydroxide concentration on electrochemical performance of CoV2O6 for energy storage

  • 期刊论文

  • 发表日期：

    2026年3月13日

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  • Naveenkumar P. Agadi,
  • J. Seetharamappa

摘要

Bimetallic oxides have emerged as promising electrode materials for supercapacitors due to their high specific capacitance and good electrical conductivity. In the present study nanostructured CoV₂O₆ was synthesized via a rheological phase reaction method. The synthesized material was characterized using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy. The effect of electrolyte concentration on the electrochemical performance of CoV₂O₆ electrode was systematically investigated. The electrode retained 99.18% of its initial capacitance after 7000 charge–discharge cycles, demonstrating excellent cycling stability. Furthermore, it delivered a high specific capacitance of 436 F g−1 at a current density of 0.5 A g−1, indicating its potential as a sustainable electrode material for high-performance supercapacitors.