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<p>The development of novel ternary composites is essential for enhancing the performance of supercapacitor electrodes. A ternary nanocomposite electrode, MXene@AgWO<sub>3</sub>–rGO, was synthesized via a hydrothermal method and confirmed through structural, morphological, and functional characterization. Electrochemical measurements were performed in 3 M KOH using a three-electrode system, yielding a specific capacitance of 1151&#xa0;F&#xa0;g<sup>−1</sup> at a current density of 1&#xa0;A&#xa0;g<sup>−1</sup>. The ternary composite demonstrated superior energy and power densities of 85.22&#xa0;Wh&#xa0;kg⁻<sup>1</sup> and 9100.25&#xa0;W&#xa0;kg⁻<sup>1</sup>, respectively, and better cycling stability, with 93.2% capacitance retention after 10,000 cycles. Further, the MXene AgWO<sub>3</sub>–rGO//AC asymmetric supercapacitor device has a specific capacitance of 370&#xa0;F&#xa0;g<sup>−1</sup>, high coulombic efficiency (99.2%), and 89.8% retention after 4000 cycles. MXene@AgWO<sub>3</sub>–rGO nanocomposite is a highly developed electrode material for future energy storage systems.</p>

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Rational design of MXene-integrated AgWO₃/rGO ternary nanocomposites: electrochemical behavior analysis for advanced supercapacitor applications

  • 期刊论文

  • 发表日期：

    2026年5月9日

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  • Muhammad Naveed Anjam,
  • Basma A. El-Badry,
  • Fozia Shaheen,
  • Hany S. Hussein,
  • Zeenat Zaidi,
  • Mahvish Fatima

摘要

The development of novel ternary composites is essential for enhancing the performance of supercapacitor electrodes. A ternary nanocomposite electrode, MXene@AgWO3–rGO, was synthesized via a hydrothermal method and confirmed through structural, morphological, and functional characterization. Electrochemical measurements were performed in 3 M KOH using a three-electrode system, yielding a specific capacitance of 1151 F g−1 at a current density of 1 A g−1. The ternary composite demonstrated superior energy and power densities of 85.22 Wh kg⁻1 and 9100.25 W kg⁻1, respectively, and better cycling stability, with 93.2% capacitance retention after 10,000 cycles. Further, the MXene AgWO3–rGO//AC asymmetric supercapacitor device has a specific capacitance of 370 F g−1, high coulombic efficiency (99.2%), and 89.8% retention after 4000 cycles. MXene@AgWO3–rGO nanocomposite is a highly developed electrode material for future energy storage systems.