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<p>In the pursuit of high-performance energy storage materials, we report the successful synthesis of a novel BiVO<sub>4</sub>/NiFe-LDH/Polyaniline (PANI) ternary hybrid electrode prepared through the hydrothermal method. The integration of BiVO<sub>4</sub> with NiFe-layered double hydroxide (LDH) provides a robust electroactive matrix, while the conductive PANI polymer enhances charge transport and structural flexibility. Morphological and compositional characterizations confirm the uniform distribution of all constituent elements and the formation of a nanosheet-like structure. Electrochemical analysis reveals that the BiVO<sub>4</sub>/NiFe-LDH/PANI composite exhibits a higher specific capacitance of 616.24&#xa0;Fg<sup>−1</sup> at a current density of 0.5&#xa0;Ag<sup>−1</sup> and delivers a rate capability of 99.15% at 0.8&#xa0;Ag<sup>−1</sup>. The composite achieves a maximum energy density of 8.42&#xa0;Wh&#xa0;Kg<sup>−1</sup>. The synergistic effect among BiVO<sub>4</sub>, NiFe-LDH, and PANI leads to enhanced ion diffusion, improved conductivity, and structural integrity during long-term cycling. These findings demonstrate the potential of the BiVO<sub>4</sub>/NiFe-LDH/PANI hybrid as a promising electrode material for next-generation supercapacitor applications.</p>

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A novel ternary BiVO4/NiFe-LDH/polyaniline hybrid electrode for improved energy storage performance

  • 期刊论文

  • 发表日期：

    2026年7月6日

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  • P. E. Saranya,
  • V. Sasikala,
  • H. Premkumar,
  • Chinnasamy Sengottiyan

摘要

In the pursuit of high-performance energy storage materials, we report the successful synthesis of a novel BiVO4/NiFe-LDH/Polyaniline (PANI) ternary hybrid electrode prepared through the hydrothermal method. The integration of BiVO4 with NiFe-layered double hydroxide (LDH) provides a robust electroactive matrix, while the conductive PANI polymer enhances charge transport and structural flexibility. Morphological and compositional characterizations confirm the uniform distribution of all constituent elements and the formation of a nanosheet-like structure. Electrochemical analysis reveals that the BiVO4/NiFe-LDH/PANI composite exhibits a higher specific capacitance of 616.24 Fg−1 at a current density of 0.5 Ag−1 and delivers a rate capability of 99.15% at 0.8 Ag−1. The composite achieves a maximum energy density of 8.42 Wh Kg−1. The synergistic effect among BiVO4, NiFe-LDH, and PANI leads to enhanced ion diffusion, improved conductivity, and structural integrity during long-term cycling. These findings demonstrate the potential of the BiVO4/NiFe-LDH/PANI hybrid as a promising electrode material for next-generation supercapacitor applications.