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<p>In this study, manganese molybdate (MnMoO<sub>4</sub>) nanorods were prepared using a single-pot low-cost microwave combustion method (MCM). The structural properties of MnMoO<sub>4</sub> nanorods were examined by powder X-ray diffraction (PXRD) analysis, Fourier transform-infrared (FTIR), and Raman spectroscopy. Scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HR-TEM) were used to analyse the formation of nanorod-structured morphologies. The elemental distribution, composition, and electronic configuration were confirmed using energy-dispersive X-ray spectrometer (EDS) and X-ray photoelectron spectrometer (XPS) analyses. Further, the electrochemical (EC) behaviour of MnMoO<sub>4</sub> nanorods were examined by cyclic voltammetry (CV), galvanostatic charge–discharge (GCD), and electrochemical impedance spectroscopy (EIS) techniques as coated electrodes in 1&#xa0;M KOH aqueous electrolyte solution. It reveals significant specific capacitance (<i>C</i><sub>sp</sub>) of 505&#xa0;F&#xa0;g<sup>−1</sup> at 0.5 A g<sup>−1</sup> and outstanding capacitive retention up to 87.2% after 5000 charge–discharge cycles at the current density (CD) of 8&#xa0;A&#xa0;g<sup>−1</sup>. These results of EC behaviour suggest that MnMoO<sub>4</sub> nanorod has a promising energy storage application.</p>

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Single-pot microwave synthesis of MnMoO4 nanorods electrode for cost-effective and sustainable supercapacitor application

  • 期刊论文

  • 发表日期：

    2026年2月12日

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  • K. Seevakan,
  • A. Shameem,
  • C. Sambathkumar,
  • P. Devendran,
  • Manikandan Ayyar,
  • Lalitha Gnanasekaran,
  • Santhamoorthy Madhappan,
  • T. Alagesan

摘要

In this study, manganese molybdate (MnMoO4) nanorods were prepared using a single-pot low-cost microwave combustion method (MCM). The structural properties of MnMoO4 nanorods were examined by powder X-ray diffraction (PXRD) analysis, Fourier transform-infrared (FTIR), and Raman spectroscopy. Scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HR-TEM) were used to analyse the formation of nanorod-structured morphologies. The elemental distribution, composition, and electronic configuration were confirmed using energy-dispersive X-ray spectrometer (EDS) and X-ray photoelectron spectrometer (XPS) analyses. Further, the electrochemical (EC) behaviour of MnMoO4 nanorods were examined by cyclic voltammetry (CV), galvanostatic charge–discharge (GCD), and electrochemical impedance spectroscopy (EIS) techniques as coated electrodes in 1 M KOH aqueous electrolyte solution. It reveals significant specific capacitance (Csp) of 505 F g−1 at 0.5 A g−1 and outstanding capacitive retention up to 87.2% after 5000 charge–discharge cycles at the current density (CD) of 8 A g−1. These results of EC behaviour suggest that MnMoO4 nanorod has a promising energy storage application.