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Gel Combustion Synthesis and Characterization of ZnO/NiO Nanocomposite for Supercapacitor Application
R. Packiaraj1, K.S. Venkatesh2, P. Devendran3, S. Asath Bahadur4, N. Nallamuthu5

1N. Nallamuthu, Department of Physics, Kalasalingam Academy of Research and Education, Krishnankoil (Tamil Nadu), India. 

2R. Packiaraj, Department of Physics, Kalasalingam Academy of Research and Education, Krishnankoil (Tamil Nadu), India. 

3K.S. Venkatesh, Department of Physics, Syed Ammal Arts and Science College, Ramanathapuram (Tamil Nadu), India. 

4P. Devendran, Department of Physics, Kalasalingam Academy of Research and Education, Krishnankoil (Tamil Nadu), India. 

5S. Asath Bahadur, Department of Physics, Kalasalingam Academy of Research and Education, Krishnankoil (Tamil Nadu), India. 

Manuscript received on 03 December 2019 | Revised Manuscript received on 15 December 2019 | Manuscript Published on 30 December 2019 | PP: 304-307 | Volume-9 Issue-2S2 December 2019 | Retrieval Number: B12061292S219/2019©BEIESP | DOI: 10.35940/ijitee.B1206.1292S219

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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open-access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Energy demand is a major concern around the globe of the world. Electrochemical supercapacitors are one among various alternative and green energy devices. The performances of supercapacitors depend mainly on the enhanced properties of electrode materials. In the present work, ZnO/NiO nanocomposite (NCs) was synthesized by a simple and facile citrate-based gel combustion procedure. The crystal structure and phase identification, surface morphology and functional groups of the samples were analyzed by X-ray diffraction (XRD) pattern, scanning electron microscope (SEM) and Fourier-transform infrared spectroscopy (FTIR), respectively. X-ray Diffraction pattern is observed that the crystalline peaks are broader and confirmed nanoparticles. The mean size of the particle is found to be ~25 nm. The prepared sample is analyzed an electrochemical studies such as cyclic Voltammetry, charge discharge and electrochemical impedance spectrum, respectively. The maximum specific capacitance (Scp) is 450 Fg-1 at 0.5 mA/cm2.

Keywords: ZnO/NiO, Gel Combustion Method, Supercapacitors, XRD, FTIR, SEM.
Scope of the Article: Composite Materials