Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 27, Issue 5, Pages 4653-4658Publisher
SPRINGER
DOI: 10.1007/s10854-016-4343-6
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- TEQIP-II
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In the present work, synthesis of CoMn2O4 electrode material through a newly adopted hydrothermal method was achieved and reported. The synthesized material was subjected to various physico-chemical properties to analyze the suitability of the material for the super capacitor applications. The structure of the title compound was confirmed by powder X-ray diffraction studies. Fourier transform infrared spectroscopy confirms the various functional groups associated with the material. Optical and surface analysis was studied by using UV-Visible spectroscopy and field emission scanning electron microscopy. The electrochemical properties of modified electrode CoMn2O4 were investigated using cyclic voltammetry, galvanostatic charge-discharge, cycle stability and electrochemical impedance spectroscopy in electrochemical workstation. Based on the electrochemical properties, the electrode material reveals the ideal capacitance behaviour with high capacitance of 700 F/g at the sweep rate of 5 mV/s in 3 M KCL aqueous electrolyte solution. The remarkable electrochemical performance undoubtedly makes CoMn2O4 as the promising material for supercapacitor applications.
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