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<p>The need for sustainable energy technology is expanding owing to the shortage of non-renewable forms of energy. Despite the availability of several ways to store sustainable energy, the manufacturing of efficient and reliable energy storage devices remains a challenge. Supercapacitors (SC<sub>s</sub>) are effective storage devices with improved efficacy and excellent stability. SC<sub>s</sub> have received plenty of attention owing to their prolonged cycle lifespan, raised power density and quick charge-discharge behavior. In this study, hydrothermally fabricated FeAlO<sub>3</sub>/g-CN nanocomposite was assessed for use in SC<sub>s</sub>. XRD, FTIR, BET and SEM analyses were used to physically evaluate the produced nanocomposite in order to verify its crystallinity, functionality, relatively improved surface area (SA) and morphology correspondingly. The electrochemical investigation of FeAlO<sub>3</sub>/g-CN nanocomposite revealed a specific capacitance of 858.9&#xa0;F g<sup>− 1</sup>, energy density of 18.1 Wh kg<sup>− 1</sup> and power density of 195&#xa0;W kg<sup>− 1</sup> at 1&#xa0;A g<sup>− 1</sup>. After 5000 cycles, electrode retains 80% of its capacitance, exhibiting outstanding cycling stability. The improved electrochemical nature is linked to cooperative effect between FeAlO<sub>3</sub> and g-CN, which enhances electron migration and facilitates ion transport. These findings confirm that FeAlO<sub>3</sub>/g-CN is a potential electrode material for use in SC<sub>s</sub>.</p>

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Facile Preparation of Perovskite/g-CN Nanocomposite for Efficient Electrochemical Energy Storage Devices

  • 期刊论文

  • 发表日期：

    2026年7月8日

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  • Muhammad Aqib,
  • Maryam Al Huwayz,
  • Hussain Sawwan,
  • Mir Waqas Alam,
  • Eman Alzahrani,
  • Reda A. Haggam

摘要

The need for sustainable energy technology is expanding owing to the shortage of non-renewable forms of energy. Despite the availability of several ways to store sustainable energy, the manufacturing of efficient and reliable energy storage devices remains a challenge. Supercapacitors (SCs) are effective storage devices with improved efficacy and excellent stability. SCs have received plenty of attention owing to their prolonged cycle lifespan, raised power density and quick charge-discharge behavior. In this study, hydrothermally fabricated FeAlO3/g-CN nanocomposite was assessed for use in SCs. XRD, FTIR, BET and SEM analyses were used to physically evaluate the produced nanocomposite in order to verify its crystallinity, functionality, relatively improved surface area (SA) and morphology correspondingly. The electrochemical investigation of FeAlO3/g-CN nanocomposite revealed a specific capacitance of 858.9 F g− 1, energy density of 18.1 Wh kg− 1 and power density of 195 W kg− 1 at 1 A g− 1. After 5000 cycles, electrode retains 80% of its capacitance, exhibiting outstanding cycling stability. The improved electrochemical nature is linked to cooperative effect between FeAlO3 and g-CN, which enhances electron migration and facilitates ion transport. These findings confirm that FeAlO3/g-CN is a potential electrode material for use in SCs.