Please use this identifier to cite or link to this item: https://idr.l2.nitk.ac.in/jspui/handle/123456789/14842
Title: High stable zinc tungstate electrode for electrochemical supercapacitor
Authors: Dhanush P.C.
Brijesh K.
Vinayraj S.
Issue Date: 2020
Citation: AIP Conference Proceedings , Vol. 2247 , , p. -
Abstract: This paper aims to develop a way for synthesising Zinc Tungstate (ZnWO4) by Microwave method. Which is simpler easier and better than hydrothermal synthesis. Formation of the crystal microstructures were verified with the aid of Powder X-Ray Diffraction (XRD), and further, morphologies were investigated upon using Field Emission Scanning Electron Microscope (FESEM). The implications in the energy storage devices were examined by preparing a pseudo capacitor. The electrochemical characteristics were analysed by using three-electrode system and its performance was evaluated with the assistance of Cyclic Voltammetry (CV) and Electrochemical Impedance Spectroscopy (EIS). The result presented the specific capacitance as 79 Fg-1 for a scan rate of 1mVs-1. The ZnWO4 as an active material retains 96.52% stability up to 1000 cycles. A significant increase in the impedance for lower frequencies can be observed for the material after 1000 cycles when compared to that of the first cycle. © 2020 Author(s).
URI: https://doi.org/10.1063/5.0004023
http://idr.nitk.ac.in/jspui/handle/123456789/14842
Appears in Collections:2. Conference Papers

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