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<p>In the recent years, supercapacitors with enhanced power densities and cycle stability have attracted significant attention in a variety of applications. Perovskite-based doped nanostructures were extensively studied for supercapacitors because of their exceptional conductivity, electrochemical characteristics, affordability, and environmental friendliness. Herein, SrCoO<sub>3</sub> and Ba-doped SrCoO<sub>3</sub> perovskite have been produced by hydrothermal process to investigate their electrochemical behaviour. The impact of barium doping on SrCoO<sub>3</sub> was determined using a number of physical and electrochemical characterisations. The X-ray diffraction study showed cubic crystal structure of Ba-doped SrCoO<sub>3</sub> perovskite had shown extensive surface area. The dispersion of Ba doping on SrCoO<sub>3</sub> nanostructures was confirmed by the scanning electron microscope (SEM) examination. Comparing to pristine SrCoO<sub>3</sub> (736.63 F/g), Ba-doped SrCoO<sub>3</sub> displayed an elevated specific capacitance (C<sub>s</sub>) of 1231.54 F/g at 1 A/g. Additionally, the Ba-doped SrCoO<sub>3</sub> presented a high energy density (<i>E</i><sub><i>d</i></sub>) of 49 Wh/Kg and power density (<i>P</i><sub><i>d</i></sub>) of 280 W/kg. The improvement in electrochemical activity of Ba-doped SrCoO<sub>3</sub> was credited with numerous factors, including the wide ionic radius of Ba, its substantial surface area, and porous structure that permits instant ion transport. These remarkable results imply that Ba-doped SrCoO<sub>3</sub> nanostructures can be used in high-performance supercapacitors.</p>

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Fabrication of barium-doped SrCoO3 perovskite as an efficient supercapacitor electrode material

  • 期刊论文

  • 发表日期：

    2025年11月14日

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  • Haifa A. Alyousef,
  • Shaimaa A. M. Abdelmohsen,
  • Areej Saleh Alqarny,
  • Najla Alotaibi,
  • Muhammad Abdullah,
  • Muhammad Imran,
  • Younis Ijaz

摘要

In the recent years, supercapacitors with enhanced power densities and cycle stability have attracted significant attention in a variety of applications. Perovskite-based doped nanostructures were extensively studied for supercapacitors because of their exceptional conductivity, electrochemical characteristics, affordability, and environmental friendliness. Herein, SrCoO3 and Ba-doped SrCoO3 perovskite have been produced by hydrothermal process to investigate their electrochemical behaviour. The impact of barium doping on SrCoO3 was determined using a number of physical and electrochemical characterisations. The X-ray diffraction study showed cubic crystal structure of Ba-doped SrCoO3 perovskite had shown extensive surface area. The dispersion of Ba doping on SrCoO3 nanostructures was confirmed by the scanning electron microscope (SEM) examination. Comparing to pristine SrCoO3 (736.63 F/g), Ba-doped SrCoO3 displayed an elevated specific capacitance (Cs) of 1231.54 F/g at 1 A/g. Additionally, the Ba-doped SrCoO3 presented a high energy density (Ed) of 49 Wh/Kg and power density (Pd) of 280 W/kg. The improvement in electrochemical activity of Ba-doped SrCoO3 was credited with numerous factors, including the wide ionic radius of Ba, its substantial surface area, and porous structure that permits instant ion transport. These remarkable results imply that Ba-doped SrCoO3 nanostructures can be used in high-performance supercapacitors.