Abstract
In the present work, composites of poly(3-methylthiophene)/poly(ethylene oxide)/ruthenium oxide nanofibers (PMT/PEO/RuO2) were fabricated by electrospinning technique and applied for energy storage applications. The accumulation of ruthenium oxide nanoparticles into conducting polymeric chains enhance the conductivity, surface area, stability, decrease the distortion ratio in polymeric chains, and improve the active mechanism sites in the composite surface. The structure, oxidation state, morphology studies were analyzed by using XRD, XPS, SEM, and HR-TEM analysis. The thermal studies and surface area were measured using TGA/DTA and BET analysis. The electrochemical performance was examined through cyclic voltammetric, galvanostatic charge and discharge, and impedance spectroscopy analysis by three-electrode system in 1 M KCl electrolyte. The intrinsic nanofibrous morphology of PMT/PEO/RuO2 composite nanofibers showed 623 F/g of capacitance at 1 A/g constitute 92% retention after 5000 cycles. Hence the composite nanofibers would be considered as an electrode for the electrochemical applications.
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Acknowledgements
The author S.S thankfully acknowledges (ACRF) Anna Centenary Research Fellowship provided by Centre for Research (CFR), Anna University, Chennai, India for supporting financially to carry forward this work. S.S gratefully thanks the instrumentation facility provided by DRS-UGC and FIST-DST at the Department of Chemistry, Anna University, Chennai-25, India. Authors acknowledge NRC, SRMIST for providing the XPS facility, HRTEM instrument facility with support from MNRE (Project No. 31/03/2014-15/PVSE-R&D), Government of India.
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SS Conceptualization, data curation, investigation, methodology, writing—original draft, visualization, writing—review and editing. SR validation, supervision, writing—review and editing.
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Subramani, S., Rajiv, S. Fabrication of poly(3-methylthiophene)/poly(ethylene oxide)/ruthenium oxide composite electrospun nanofibers for supercapacitor application. J Mater Sci: Mater Electron 33, 9558–9569 (2022). https://doi.org/10.1007/s10854-021-07549-z
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DOI: https://doi.org/10.1007/s10854-021-07549-z