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<p>The increasing use of fossil fuels has intensified environmental concerns. Researchers are searching for renewable sources of energy production and storage. where supercapacitors (SCs) are one of the renewable storage devices with high power capability and admirable cycling durability. In this study, BiFeO<sub>3</sub>/g-CN nanocomposite electrodes were synthesized via hydrothermal route. To investigate effect of g-CN incorporation on BiFeO<sub>3</sub> various physical and electrochemical characteristic of were performed. Electrochemical analysis confirmed that BiFeO<sub>3</sub>/g-CN nanohybrid exhibited remarkable specific capacitance 1030&#xa0;F g<sup>−1</sup> at 1&#xa0;A g<sup>−1</sup>, reflecting superior hybrid charge-storage behavior. The significantly improved capacitance of BiFeO<sub>3</sub>/g-CN nanocomposite relative to BiFeO<sub>3</sub> is mainly associated with enhanced electrical conductivity and faster charge-transfer processes introduced by g-CN integration. Furthermore, nanocomposite delivered power density of 199&#xa0;W kg<sup>−1</sup> with energy density of nearly 22 Wh kg<sup>−1</sup>. In addition, BiFeO<sub>3</sub>/g-CN electrode exhibits lower solution resistance (R<sub>s</sub> = 0.69 Ω) than BiFeO<sub>3</sub> (R<sub>s</sub> = 1.08 Ω), indicating reduced internal resistance and more efficient charge transport. Overall, these findings validate strong potential of BiFeO<sub>3</sub>/g-CN as efficient electrode material for next-generation SCs and demonstrate low-cost, scalable pathway for fabricating advanced nanocomposites for future energy storage systems.</p>

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Synergistic BiFeO3/g-CN nanohybrid electrodes for high-energy, high-power supercapacitors

  • 期刊论文

  • 发表日期：

    2026年7月7日

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  • Aiman Fatima,
  • Aqsa Batool,
  • Nawal K. Almaymoni,
  • Hussain Sawwan,
  • Abhinav Kumar,
  • Eman Alzahrani,
  • Hamad AlMohamadi

摘要

The increasing use of fossil fuels has intensified environmental concerns. Researchers are searching for renewable sources of energy production and storage. where supercapacitors (SCs) are one of the renewable storage devices with high power capability and admirable cycling durability. In this study, BiFeO3/g-CN nanocomposite electrodes were synthesized via hydrothermal route. To investigate effect of g-CN incorporation on BiFeO3 various physical and electrochemical characteristic of were performed. Electrochemical analysis confirmed that BiFeO3/g-CN nanohybrid exhibited remarkable specific capacitance 1030 F g−1 at 1 A g−1, reflecting superior hybrid charge-storage behavior. The significantly improved capacitance of BiFeO3/g-CN nanocomposite relative to BiFeO3 is mainly associated with enhanced electrical conductivity and faster charge-transfer processes introduced by g-CN integration. Furthermore, nanocomposite delivered power density of 199 W kg−1 with energy density of nearly 22 Wh kg−1. In addition, BiFeO3/g-CN electrode exhibits lower solution resistance (Rs = 0.69 Ω) than BiFeO3 (Rs = 1.08 Ω), indicating reduced internal resistance and more efficient charge transport. Overall, these findings validate strong potential of BiFeO3/g-CN as efficient electrode material for next-generation SCs and demonstrate low-cost, scalable pathway for fabricating advanced nanocomposites for future energy storage systems.