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<p>The growing global demand for efficient and sustainable energy storage systems has led to extensive exploration of nanostructured materials with enhanced electrochemical properties. In this study, cerium oxide (CeO₂) and copper oxide (CuO) nanocomposites were synthesized using a rapid, energy-efficient microwave-assisted method to improve energy storage capabilities. The integration of CeO₂ and CuO achieved through this technique demonstrated remarkable electrochemical performance compared to conventional approaches. Comprehensive characterization confirmed the structural and morphological features of the synthesized nanocomposites. The study reported a maximum specific capacity of 916 C g⁻<sup>1</sup> for the CeO₂-CuO nanocomposite, highlighting its excellent rate capability. Furthermore, the fabricated supercapacitor device exhibited an energy density of 9.86 Wh kg⁻<sup>1</sup>, a power density of 500 W kg⁻<sup>1</sup>, and a capacitance retention of 86% after 10,000 cycles. With potential applications as a power source for wearable electronics, this research underscores the importance of advanced synthesis techniques that not only reduce synthesis time but also enhance scalability, paving the way for the development of high-performance nanomaterials for energy storage applications.</p>

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Electrochemical property evaluation of cerium oxide and copper oxide nanocomposites via microwave-assisted synthesis

  • 期刊论文

  • 发表日期：

    2025年6月20日

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  • Dadaso D. Mohite,
  • Piyush V. Patil,
  • P. E. Lokhande,
  • Sachin S. Chavan,
  • M. A. Kadam,
  • Vishal Kadam,
  • Chaitali Jagtap,
  • Udayabhaskar Rednam,
  • Narendra Lakal,
  • Bandar Ali Al-Asbahi

摘要

The growing global demand for efficient and sustainable energy storage systems has led to extensive exploration of nanostructured materials with enhanced electrochemical properties. In this study, cerium oxide (CeO₂) and copper oxide (CuO) nanocomposites were synthesized using a rapid, energy-efficient microwave-assisted method to improve energy storage capabilities. The integration of CeO₂ and CuO achieved through this technique demonstrated remarkable electrochemical performance compared to conventional approaches. Comprehensive characterization confirmed the structural and morphological features of the synthesized nanocomposites. The study reported a maximum specific capacity of 916 C g⁻1 for the CeO₂-CuO nanocomposite, highlighting its excellent rate capability. Furthermore, the fabricated supercapacitor device exhibited an energy density of 9.86 Wh kg⁻1, a power density of 500 W kg⁻1, and a capacitance retention of 86% after 10,000 cycles. With potential applications as a power source for wearable electronics, this research underscores the importance of advanced synthesis techniques that not only reduce synthesis time but also enhance scalability, paving the way for the development of high-performance nanomaterials for energy storage applications.