Fabrication of High-Performance Flexible Supercapacitor Electrodes with Poly(3,4-ethylenedioxythiophene) (PEDOT) Grown on Carbon-Deposited Polyurethane Sponge

Composite porous supercapacitor electrodes were prepared by growing poly(3,4-ethylenedioxythiophene) (PEDOT) on graphite nanoplatelet- or graphene nanoplatelet-deposited open-cell polyurethane (PU) sponges via a vapor phase polymerization (VPP) method. The resulting composite supercapacitor electrod...

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Autores principales:	Linyue Tong, Laura A. Sonnenberg, Wei Wu, Steven M. Boyer, Maggie T. Fox, Boxiao Li, William E. Bernier, Wayne E. Jones
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	poly(3,4-ethylenedioxythiophene) carbon material deposited sponge vapor-phase polymerization supercapacitor Technology T
Acceso en línea:	https://doaj.org/article/d9b6ae1e682e439c9c5f5b1d5db52c39
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spelling	oai:doaj.org-article:d9b6ae1e682e439c9c5f5b1d5db52c392021-11-11T16:06:48ZFabrication of High-Performance Flexible Supercapacitor Electrodes with Poly(3,4-ethylenedioxythiophene) (PEDOT) Grown on Carbon-Deposited Polyurethane Sponge10.3390/en142173931996-1073https://doaj.org/article/d9b6ae1e682e439c9c5f5b1d5db52c392021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7393https://doaj.org/toc/1996-1073Composite porous supercapacitor electrodes were prepared by growing poly(3,4-ethylenedioxythiophene) (PEDOT) on graphite nanoplatelet- or graphene nanoplatelet-deposited open-cell polyurethane (PU) sponges via a vapor phase polymerization (VPP) method. The resulting composite supercapacitor electrodes exhibited great capacitive performance, with PEDOT acting as both the conductive binder and the active material. The chemical composition was characterized by Raman spectroscopy and the surface morphology was characterized by scanning electron microscopy (SEM). Cyclic voltammetry (<i>CV</i>), charge-discharge (<i>CD</i>) tests and electrochemical impedance spectroscopy were utilized to study the electrical performance of the composite electrodes produced in symmetrically configured supercapacitor cells. The carbon material deposited on PU substrates and the polymerization temperature of PEDOT affected significantly the PEDOT morphology and the electrical properties of the resulting composite sponges. The highest areal specific capacitance 798.2 mF cm<sup>−2</sup> was obtained with the composite sponge fabricated by VPP of PEDOT at 110 °C with graphene nanoplatelet-deposited PU sponge substrate. The capacitance retention of this composite electrode was 101.0% after 10,000 charging–discharging cycles. The high flexibility, high areal specific capacitance, excellent long-term cycling stability and low cost make these composite sponges promising electrode materials for supercapacitors.Linyue TongLaura A. SonnenbergWei WuSteven M. BoyerMaggie T. FoxBoxiao LiWilliam E. BernierWayne E. JonesMDPI AGarticlepoly(3,4-ethylenedioxythiophene)carbon material deposited spongevapor-phase polymerizationsupercapacitorTechnologyTENEnergies, Vol 14, Iss 7393, p 7393 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	poly(3,4-ethylenedioxythiophene) carbon material deposited sponge vapor-phase polymerization supercapacitor Technology T
spellingShingle	poly(3,4-ethylenedioxythiophene) carbon material deposited sponge vapor-phase polymerization supercapacitor Technology T Linyue Tong Laura A. Sonnenberg Wei Wu Steven M. Boyer Maggie T. Fox Boxiao Li William E. Bernier Wayne E. Jones Fabrication of High-Performance Flexible Supercapacitor Electrodes with Poly(3,4-ethylenedioxythiophene) (PEDOT) Grown on Carbon-Deposited Polyurethane Sponge
description	Composite porous supercapacitor electrodes were prepared by growing poly(3,4-ethylenedioxythiophene) (PEDOT) on graphite nanoplatelet- or graphene nanoplatelet-deposited open-cell polyurethane (PU) sponges via a vapor phase polymerization (VPP) method. The resulting composite supercapacitor electrodes exhibited great capacitive performance, with PEDOT acting as both the conductive binder and the active material. The chemical composition was characterized by Raman spectroscopy and the surface morphology was characterized by scanning electron microscopy (SEM). Cyclic voltammetry (<i>CV</i>), charge-discharge (<i>CD</i>) tests and electrochemical impedance spectroscopy were utilized to study the electrical performance of the composite electrodes produced in symmetrically configured supercapacitor cells. The carbon material deposited on PU substrates and the polymerization temperature of PEDOT affected significantly the PEDOT morphology and the electrical properties of the resulting composite sponges. The highest areal specific capacitance 798.2 mF cm<sup>−2</sup> was obtained with the composite sponge fabricated by VPP of PEDOT at 110 °C with graphene nanoplatelet-deposited PU sponge substrate. The capacitance retention of this composite electrode was 101.0% after 10,000 charging–discharging cycles. The high flexibility, high areal specific capacitance, excellent long-term cycling stability and low cost make these composite sponges promising electrode materials for supercapacitors.
format	article
author	Linyue Tong Laura A. Sonnenberg Wei Wu Steven M. Boyer Maggie T. Fox Boxiao Li William E. Bernier Wayne E. Jones
author_facet	Linyue Tong Laura A. Sonnenberg Wei Wu Steven M. Boyer Maggie T. Fox Boxiao Li William E. Bernier Wayne E. Jones
author_sort	Linyue Tong
title	Fabrication of High-Performance Flexible Supercapacitor Electrodes with Poly(3,4-ethylenedioxythiophene) (PEDOT) Grown on Carbon-Deposited Polyurethane Sponge
title_short	Fabrication of High-Performance Flexible Supercapacitor Electrodes with Poly(3,4-ethylenedioxythiophene) (PEDOT) Grown on Carbon-Deposited Polyurethane Sponge
title_full	Fabrication of High-Performance Flexible Supercapacitor Electrodes with Poly(3,4-ethylenedioxythiophene) (PEDOT) Grown on Carbon-Deposited Polyurethane Sponge
title_fullStr	Fabrication of High-Performance Flexible Supercapacitor Electrodes with Poly(3,4-ethylenedioxythiophene) (PEDOT) Grown on Carbon-Deposited Polyurethane Sponge
title_full_unstemmed	Fabrication of High-Performance Flexible Supercapacitor Electrodes with Poly(3,4-ethylenedioxythiophene) (PEDOT) Grown on Carbon-Deposited Polyurethane Sponge
title_sort	fabrication of high-performance flexible supercapacitor electrodes with poly(3,4-ethylenedioxythiophene) (pedot) grown on carbon-deposited polyurethane sponge
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/d9b6ae1e682e439c9c5f5b1d5db52c39
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Fabrication of High-Performance Flexible Supercapacitor Electrodes with Poly(3,4-ethylenedioxythiophene) (PEDOT) Grown on Carbon-Deposited Polyurethane Sponge

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