Enhanced electrochemical performance of manganese oxide nanocomposites for supercapacitor application

Manganese oxide (MO) has been synthesised by chemical co-precipitation method and it was characterised for its functional group, phase structure, particle size morphology using FTIR, XRD, SEM TEM. Additionally, electrochemical properties like cyclic voltammetry (CV), galvanostatic charge/ discharge impedance spectroscopy (EIS) are recorded. The specific capacitance of the prepared manganese is found to be 116 F/g at current density 1 A/g. To augment value, doped with multi-walled carbon nanotube (MWCNT) poly(3,4 ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) their performance By doping MWCNT PEDOT:PSS over MO, a high 537 A/g 97% retention coulombic efficiency 98% 10,000 cycles 5 obtained. All these results demonstrates that MO/MWCNT/PEDOT:PSS promising electrode material supercapacitor application.