Performance of polyaniline/manganese oxide-MWCNT Nanocomposites as Supercapacitors
Journal Title: Iranian Chemical Communication - Year 2016, Vol 4, Issue 1
Abstract
Composite electrodes of polyaniline/MnO2-Multi walled carbon nanotube (PANI/MnO2-MWCNT), MnO2-MWCNT nanocomposites and MWCNT was produced by the in situ direct coating approach. The supercapacitor performance of the nanocomposites was studied by Fourier transform infrared (FT-IR) spectroscopy and scanning electron microscopy (SEM). The electrochemical properties of electrodes were also investigated by cyclic voltammetry (CV), galvanostatic charge–discharge and electrochemical impedance spectroscopy (EIS) techniques in 0.5 M Na2SO4. The specific capacitance of 321.47 F. g-1, 277.77 F. g-1 and 80 F. g-1 obtained for PANI/MnO2-MWCNT, MnO2-MWCNT and MWCNT, respectively. The EIS results also showed that the capacitive behavior of MWCNT was improved by the addition of MnO2 and PANI.
Authors and Affiliations
Mir Ghasem Hosseini, Elham Shahryari
Keywords
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