Journal
RSC ADVANCES
Volume 7, Issue 32, Pages 20027-20036Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra01743j
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- Endeavour Australia-India Education Council
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A ternary nanocomposite that consists of MnO2 nanorods and reduced graphene oxide sheets supported on poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT: PSS) polymer has been developed for supercapacitor applications. X-ray diffraction, field emission scanning electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, the Brunauer-Emmett-Teller method and X-ray photoelectron spectroscopic analysis confirmed the formation of a ternary nanocomposite of PEDOT: PSS/MnO2 nanorods/rGO. Electrochemical investigation of these materials in acetonitrile containing lithium per chlorate demonstrated an enhanced specific capacitance of 633 F g (-1) at a current density of 0.5 A g(-1) and 100% stability up to 5000 charging-discharging cycles at 1 A g(-1). The enhanced capacitance and working stability of the PEDOT: PSS/MnO2 nanorods/rGO nanocomposite along with the simplicity in making the activematerialsmake this systema promising candidate for the commercial development of supercapacitors.
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