High Performance Asymmetric Supercapacitor based on spinel Co3O4 nanoparticles

Authors(2) :-Selvapriya R, Alagar M

We report a facile synthesis and characterization of spinel Co3O4 nanostructures on its utilization as electrode material for asymmetric supercapacitors by co-precipitation method. The as-synthesized nanostructure was characterized by X-ray diffraction(XRD),Fourier transform infrared spectroscopy(FTIR) and Scanning electron microscopy(SEM). Electrochemical behaviour of the Co3O4 electrode performance was characterized by cyclic voltammetry(CV) in 1 M KOH electrolyte using a three electrode system. Galvanostatic charge-discharge measurements made on the fabricated asymmetric supercapacitor gave a high specific capacitance of 17.33 F/g at a discharge current density of 0.2 A/g. Moreover, they showed an excellent cycle stability and better capacity retention of 92% after 2000 continuous charge-discharge cycles.

Authors and Affiliations

Selvapriya R
Centre for Research and Post Graduate Department of Physics, Ayya Nadar Janaki Ammal College, Sivakasi,Tamil Nadu, India
Alagar M
Centre for Research and Post Graduate Department of Physics, Ayya Nadar Janaki Ammal College, Sivakasi,Tamil Nadu, India

Co3O4 Nanostructures, Co-Precipitation, Cyclic Voltammetry, Galvanostatic Charge-Discharge And Asymmetric Supercapacitor.

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Publication Details

Published in : Volume 3 | Issue 3 | March-April 2017
Date of Publication : 2017-04-30
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 444-450
Manuscript Number : IJSRST1733162
Publisher : Technoscience Academy

Print ISSN : 2395-6011, Online ISSN : 2395-602X

Cite This Article :

Selvapriya R, Alagar M, " High Performance Asymmetric Supercapacitor based on spinel Co3O4 nanoparticles", International Journal of Scientific Research in Science and Technology(IJSRST), Print ISSN : 2395-6011, Online ISSN : 2395-602X, Volume 3, Issue 3, pp.444-450, March-April-2017.
Journal URL : http://ijsrst.com/IJSRST1733162

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