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<p>For advancing supercapacitor technology, it is crucial to develop electrode materials that achieve both high specific capacitance and outstanding cycling stability. Here we demonstrate that a rarely explored Bi₂O₂S/PANI composite was successfully fabricated, and its electrochemical properties as a supercapacitor electrode were systematically evaluated. Findings reveal that the incorporation of PANI markedly improves the electrochemical activity of Bi₂O₂S. At a current density of 1&#xa0;A g⁻¹, our best Bi₂O₂S/PANI sample achieved a mass-based storage value reaching 449.4 mAh g⁻¹—considerably higher than the value for pristine Bi₂O₂S (373.05 mAh g⁻¹)—highlighting its superior energy storage performance. Notably, the composite also demonstrated outstanding long-term cycling durability, retaining 65% of its initial capacity after 5,000 consecutive charge–discharge cycles. Collectively, these findings validate that hybridizing with PANI serves as an efficient strategy to enhance the performance of Bi₂O₂S-based electrodes. The resulting Bi₂O₂S/PANI composite therefore holds considerable potential for use in high-performance supercapacitors.</p>

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Enhanced the performance of Bi₂O₂S via polyaniline compositing for supercapacitors

  • 期刊论文

  • 发表日期：

    2026年8月5日

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  • Yilei Chen,
  • Jing Liu,
  • Silan Zhou,
  • Xihe Wang,
  • Jun Li

摘要

For advancing supercapacitor technology, it is crucial to develop electrode materials that achieve both high specific capacitance and outstanding cycling stability. Here we demonstrate that a rarely explored Bi₂O₂S/PANI composite was successfully fabricated, and its electrochemical properties as a supercapacitor electrode were systematically evaluated. Findings reveal that the incorporation of PANI markedly improves the electrochemical activity of Bi₂O₂S. At a current density of 1 A g⁻¹, our best Bi₂O₂S/PANI sample achieved a mass-based storage value reaching 449.4 mAh g⁻¹—considerably higher than the value for pristine Bi₂O₂S (373.05 mAh g⁻¹)—highlighting its superior energy storage performance. Notably, the composite also demonstrated outstanding long-term cycling durability, retaining 65% of its initial capacity after 5,000 consecutive charge–discharge cycles. Collectively, these findings validate that hybridizing with PANI serves as an efficient strategy to enhance the performance of Bi₂O₂S-based electrodes. The resulting Bi₂O₂S/PANI composite therefore holds considerable potential for use in high-performance supercapacitors.