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<p>The present study investigates the synthesis and characterization of polyaniline (PANI)/stibium sulfide (Sb<sub>2</sub>S<sub>3</sub>) composites for supercapacitor electrode applications. The PANI/Sb₂S₃ composites were synthesized via an in situ chemical polymerization method. Structural and morphological characterizations were carried out using UV–visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM), confirming the successful incorporation of Sb<sub>2</sub>S<sub>3</sub> into the PANI matrix. Electrochemical performance was evaluated using cyclic voltammetry (CV), galvanostatic charge–discharge (GCD) and electrochemical impedance spectroscopy (EIS) in a 1&#xa0;M H<sub>2</sub>SO<sub>4</sub> electrolyte. The incorporation of Sb<sub>2</sub>S<sub>3</sub> significantly enhanced the electrochemical response of PANI. The PANI/Sb<sub>2</sub>S<sub>3</sub> composite with a 2:1 ratio exhibited a specific capacitance of 210&#xa0;F g⁻<sup>1</sup> at a current density of 1&#xa0;A g⁻<sup>1</sup>, along with an energy density of 34.7&#xa0;Wh kg⁻<sup>1</sup> and a power density of 568&#xa0;W kg⁻<sup>1</sup>. These results demonstrate the potential of PANI/Sb₂S₃ composites as promising electrode materials for supercapacitor applications.</p>

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Synthesis, Characterization and Electrochemical Performance of Polyaniline/Sb2S3 Composites as Supercapacitor Electrode

  • 期刊论文

  • 发表日期：

    2026年4月18日

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  • Rizwan Ullah,
  • Urooj Rahim,
  • Maheen Rahim,
  • Nadia Khan,
  • Sobia Yaseen,
  • Rozina Khattak

摘要

The present study investigates the synthesis and characterization of polyaniline (PANI)/stibium sulfide (Sb2S3) composites for supercapacitor electrode applications. The PANI/Sb₂S₃ composites were synthesized via an in situ chemical polymerization method. Structural and morphological characterizations were carried out using UV–visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM), confirming the successful incorporation of Sb2S3 into the PANI matrix. Electrochemical performance was evaluated using cyclic voltammetry (CV), galvanostatic charge–discharge (GCD) and electrochemical impedance spectroscopy (EIS) in a 1 M H2SO4 electrolyte. The incorporation of Sb2S3 significantly enhanced the electrochemical response of PANI. The PANI/Sb2S3 composite with a 2:1 ratio exhibited a specific capacitance of 210 F g⁻1 at a current density of 1 A g⁻1, along with an energy density of 34.7 Wh kg⁻1 and a power density of 568 W kg⁻1. These results demonstrate the potential of PANI/Sb₂S₃ composites as promising electrode materials for supercapacitor applications.