A Green and Efficient Solvothermal Liquid-Phase Exfoliation Method for Synthesizing ZnO Nanorods as Electrodes in Supercapacitors

Document Type : Review Article

Author

Department of Inorganic Chemistry, Faculty of Sciences, Masaryk University, Kotlárská 2, 611 37 Brno, Czech Republic

10.22091/jaem.2025.3808

Abstract

This work presents a straightforward, eco-friendly, and effective approach for fabricating ZnO nanorods to be used as electrode materials in electrochemical supercapacitors. The nanorods were synthesized through a novel solvothermal liquid-phase exfoliation technique, leveraging the unique properties of double hydroxides. The structural and morphological characteristics of the synthesized ZnO nanorods were thoroughly examined using X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. Electrochemical performance tests of the modified electrodes were conducted in a three-electrode setup using an electrochemical workstation. The results demonstrated a pseudocapacitive behavior with a high specific capacitance of 135.23 F/g at a current density of 1 A/g in a 1 M Na2SO4 electrolyte, indicating that these nanostructures are promising candidates for supercapacitor electrode applications.

Keywords

Advances in Energy and Materials Research

Articles in Press, Accepted Manuscript
Available Online from 29 March 2025

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