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<p>The rise in energy consumption demands progressive, efficient energy storage systems to fulfill the energy requirement. A viable approach to resolving this issue is the creation of distinctive nanostructures, which have been demonstrated as effective materials in hybrid supercapacitor electrodes. A gadolinium-based binary metal oxide in the perovskite phase GdCoO<sub>3</sub> (GCO) was synthesised by a simple hydrothermal technique and confirmed structurally by X-ray diffractometry techniques, IR spectroscopy, BET and scanning electron microscopy. The primary aim of this study was to evaluate the electrochemical characteristics of the rGO@GdCoO<sub>3</sub> by impedance spectroscopic test (EIS), cyclic voltametric test (CV), and GCD. The storage capability of rGO@GCO was identified by enhanced electrochemical demonstrations of the rGO@GCO nano-electrode with a high capacitance of 980&#xa0;F/g in a basic electrolyte with a concentration of 3&#xa0;M KOH at the applied current density of 1&#xa0;A/g and outstanding retention of 88.04% after 4000th cycles with the excellent coulombic efficiency of 85.23%. When. Moreover, it attained a higher value of power density 1664&#xa0;W/kg at 3&#xa0;A/g from an asymmetric study. Hence, this indicates the conceivable uses for the manufactured electrode of the future generation flexible electronics are energy storage and conversion devices.</p>

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Perovskite-type binary metal oxide incorporated with rGO utilized for supercapacitor

  • 期刊论文

  • 发表日期：

    2026年7月6日

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  • Muhammad Imtiaz,
  • B. M. Alotaibi,
  • Ali El-Rayyes,
  • Haifa A. Alyousef,
  • Albandari . W. Alrowaily,
  • Eman Alzahrani,
  • Hala M. Abo-Dief,
  • Reda A. Haggam

摘要

The rise in energy consumption demands progressive, efficient energy storage systems to fulfill the energy requirement. A viable approach to resolving this issue is the creation of distinctive nanostructures, which have been demonstrated as effective materials in hybrid supercapacitor electrodes. A gadolinium-based binary metal oxide in the perovskite phase GdCoO3 (GCO) was synthesised by a simple hydrothermal technique and confirmed structurally by X-ray diffractometry techniques, IR spectroscopy, BET and scanning electron microscopy. The primary aim of this study was to evaluate the electrochemical characteristics of the rGO@GdCoO3 by impedance spectroscopic test (EIS), cyclic voltametric test (CV), and GCD. The storage capability of rGO@GCO was identified by enhanced electrochemical demonstrations of the rGO@GCO nano-electrode with a high capacitance of 980 F/g in a basic electrolyte with a concentration of 3 M KOH at the applied current density of 1 A/g and outstanding retention of 88.04% after 4000th cycles with the excellent coulombic efficiency of 85.23%. When. Moreover, it attained a higher value of power density 1664 W/kg at 3 A/g from an asymmetric study. Hence, this indicates the conceivable uses for the manufactured electrode of the future generation flexible electronics are energy storage and conversion devices.