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<p>Nanostructures play a pivotal role in energy storage devices such as hybrid supercapacitors. The addition of flexibility with green/sustainable materials to fabricate supercapacitors has attracted significant attention in portable and wearable electronics. In this work, nanofiber composites, including reduced graphene oxide (rGO), polypyrrole (PPy), and polyvinyl alcohol (PVA) as rGO/PPy/PVA, were synthesized on delignified balsa wood using the electrospinning technique. Nanofiber composites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, Raman spectroscopy, and electrochemical measurements, CV, GCD, and EIS, conducted on a CorrTest workstation (China). The highest specific capacitance of 52 mF/g was obtained at 0.05&#xa0;mA current density. The redox peaks in CV show its hybrid nature, so a prepared flexible electrode derived from balsa wood is suitable and reliable for hybrid supercapacitors.</p>

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Fabrication of 3D Flexible Electrode Derived from Biomass Material for Hybrid Supercapacitor via Electrospinning

  • 期刊论文

  • 发表日期：

    2025年4月22日

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  • Gulnaz Amin,
  • Saman Anwar,
  • Imran Rafiq,
  • Amna Mir,
  • Muhammad Idress,
  • Siddique Akhtar Ehsan

摘要

Nanostructures play a pivotal role in energy storage devices such as hybrid supercapacitors. The addition of flexibility with green/sustainable materials to fabricate supercapacitors has attracted significant attention in portable and wearable electronics. In this work, nanofiber composites, including reduced graphene oxide (rGO), polypyrrole (PPy), and polyvinyl alcohol (PVA) as rGO/PPy/PVA, were synthesized on delignified balsa wood using the electrospinning technique. Nanofiber composites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, Raman spectroscopy, and electrochemical measurements, CV, GCD, and EIS, conducted on a CorrTest workstation (China). The highest specific capacitance of 52 mF/g was obtained at 0.05 mA current density. The redox peaks in CV show its hybrid nature, so a prepared flexible electrode derived from balsa wood is suitable and reliable for hybrid supercapacitors.