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<p>This study aims to improve the performance of supercapacitors by utilizing chemically synthesized&#xa0;spinel magnesium ferrite (MgF) nanoparticles (NPs) and investigating the impact of various current collectors. The MgF-NPs were prepared using a simple co-precipitation method, and their structural, morphological, and vibrational properties were thoroughly investigated using Thermogravimetric analysis (TG–DTA), X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), Energy-dispersive X-ray spectroscopy (EDX) and Mapping, Fourier Transform Infrared Spectroscopy (FT-IR), and Micro-Raman spectroscopy. In a 1&#xa0;M KOH aqueous electrolyte, electrochemical performance was measured utilizing several current collectors, including Flexible Steel (FS), Steel Mesh (SM), Nickel Foam (NF), and Nickel Mesh (NM). The MgF-NF electrode surpassed other electrodes in terms of specific capacitance (298 F/g), specific energy (9 Wh/kg), power density (375 W/kg), and cyclic stability (retaining 90% capacitance after 3000 cycles at 5&#xa0;mA/cm<sup>2</sup>). These findings highlight the potential of MgF-NPs as an efficient electrode material for high-performance supercapacitors, with the choice of current collector playing a pivotal role.</p>

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Enhancing the performance of supercapacitors with chemically synthesized spinel magnesium ferrite: investigating the influence of current collectors

  • 期刊论文

  • 发表日期：

    2025年9月10日

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  • A. M. Bagwan,
  • S. S. Bagwan,
  • U. V. Shembade,
  • A. R. Sonkawade,
  • P. G. Raje,
  • S. D. Ghongade,
  • S. J. Shinde,
  • R. B. Bagwan,
  • M. R. Waikar,
  • A. V. Moholkar,
  • S. A. Masti,
  • R. G. Sonkawade

摘要

This study aims to improve the performance of supercapacitors by utilizing chemically synthesized spinel magnesium ferrite (MgF) nanoparticles (NPs) and investigating the impact of various current collectors. The MgF-NPs were prepared using a simple co-precipitation method, and their structural, morphological, and vibrational properties were thoroughly investigated using Thermogravimetric analysis (TG–DTA), X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), Energy-dispersive X-ray spectroscopy (EDX) and Mapping, Fourier Transform Infrared Spectroscopy (FT-IR), and Micro-Raman spectroscopy. In a 1 M KOH aqueous electrolyte, electrochemical performance was measured utilizing several current collectors, including Flexible Steel (FS), Steel Mesh (SM), Nickel Foam (NF), and Nickel Mesh (NM). The MgF-NF electrode surpassed other electrodes in terms of specific capacitance (298 F/g), specific energy (9 Wh/kg), power density (375 W/kg), and cyclic stability (retaining 90% capacitance after 3000 cycles at 5 mA/cm2). These findings highlight the potential of MgF-NPs as an efficient electrode material for high-performance supercapacitors, with the choice of current collector playing a pivotal role.