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<p>This study aims the development of multi-scale reinforcing resin composite based on carbon nanotubes (CNTs), zinc oxide (ZnO), and natural fibers for modern energy storage applications. An advanced direct approach is employed by growing ZnO nanoparticles on lignocelluloses (LC) fibers, extracted from the wasted biomass of corn skin. Furthermore, CNTs were incorporated in different ratios to boost the electrochemical properties of fabricated electrodes. The morphological and compositional analysis of modern fiber-reinforced composite was done by scanning electron microscope (SEM), transmission electron microscopy (TEM), and energy dispersive X-ray spectroscopy (EDX) which reveals successful incorporation of CNTs in LC/ZnO, while cyclic voltammetry (CV), galvanostatic charge/discharge (GCD), and electrochemical impedance spectroscopy (EIS) were utilized to study the performance of fabricated novel electrodes for its application in energy storage devices. CV measurements revealed efficient kinetics for LC/ZnO/CNT 30%, whereas GCD measurements depict good charge discharge, respectively. EIS measurements revealed a substantial reduction in resistance from 213.6 ohmcm<sup>−2</sup> (LC/ZnO) to 11.98 ohmcm<sup>−2</sup> (LC/ZnO/CNT 30%) after the effective incorporation of CNTs. Cyclic stability of symmetric assembled cell revealed the retention of 80% capacitance after 1000 cycles. The energy and power density of symmetric cells are 4.1 Wh/kg and 858.6 W/kg, respectively. Presented electrodes are highly suitable candidates for modern bendable energy storage devices.</p>

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ZnO and carbon nanotubes-based freestanding binder-free paper electrodes for environmentally safe energy storage devices

  • 期刊论文

  • 发表日期：

    2025年8月9日

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  • Sameen Ilyas,
  • Ishrat Sultana,
  • Fatima Kainat,
  • Waris Ali,
  • Maleeka Batool,
  • Muhammad Habib,
  • Imran Rafiq,
  • Faisal Iqbal,
  • Sultan Akhtar,
  • Aamir Razaq

摘要

This study aims the development of multi-scale reinforcing resin composite based on carbon nanotubes (CNTs), zinc oxide (ZnO), and natural fibers for modern energy storage applications. An advanced direct approach is employed by growing ZnO nanoparticles on lignocelluloses (LC) fibers, extracted from the wasted biomass of corn skin. Furthermore, CNTs were incorporated in different ratios to boost the electrochemical properties of fabricated electrodes. The morphological and compositional analysis of modern fiber-reinforced composite was done by scanning electron microscope (SEM), transmission electron microscopy (TEM), and energy dispersive X-ray spectroscopy (EDX) which reveals successful incorporation of CNTs in LC/ZnO, while cyclic voltammetry (CV), galvanostatic charge/discharge (GCD), and electrochemical impedance spectroscopy (EIS) were utilized to study the performance of fabricated novel electrodes for its application in energy storage devices. CV measurements revealed efficient kinetics for LC/ZnO/CNT 30%, whereas GCD measurements depict good charge discharge, respectively. EIS measurements revealed a substantial reduction in resistance from 213.6 ohmcm−2 (LC/ZnO) to 11.98 ohmcm−2 (LC/ZnO/CNT 30%) after the effective incorporation of CNTs. Cyclic stability of symmetric assembled cell revealed the retention of 80% capacitance after 1000 cycles. The energy and power density of symmetric cells are 4.1 Wh/kg and 858.6 W/kg, respectively. Presented electrodes are highly suitable candidates for modern bendable energy storage devices.