Synergistic effect of biomass-derived carbon and conducting polymer coatings on the supercapacitive energy storage performance of TiO2
dc.authorid | 0000-0001-5807-633X | en_US |
dc.contributor.author | Torbali, M. Ebubekir | |
dc.contributor.author | Ünür Yılmaz, Ece | |
dc.date.accessioned | 2021-03-20T20:09:21Z | |
dc.date.available | 2021-03-20T20:09:21Z | |
dc.date.issued | 2020 | |
dc.department | BTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, Kimya Bölümü | en_US |
dc.description.abstract | The application of anatase titanium dioxide (TiO2), which is an abundant and cost effective resource, in supercapacitors has been restricted due to its poor electronic conductivity and limited mechanical stability. A biomass-derived carbon was coated on anatase TiO2 nanoparticles via practical and green hydrothermal carbonization in order to overcome these limitations. Hierarchically porous carbon provided a capacitive double layer for charge storage and the TiO2/C nanocomposite exhibited a specific capacitance of 61 F x g(-1) (0.25 A x g(-1), 0 to 1 V vs. Ag/AgCl, 1 M H2SO4 aqueous electrolyte). The TiO2/C/PEDOTTSS nanocomposite with enhanced specific capacitance and rate capability (189 F x g(-1) at 0.25 A x g(-1), 161 F x g(-1) at 0.5 A x g(-1), 123 F x g(-1) at 1 A x g(-1), 91 F x g(-1) at 2 A x g(-1)) was obtained by the application of an electrochemically active PEDOT:PSS layer. The prominent electrochemical and mechanical stability of the ternary nanocomposite was demonstrated by its ability to retain 98 % of its initial capacitance after 1500 cycles of charge-discharge at a high current rate (3 A x g(-1)). The synergistic use of sustainable organic and inorganic components with environmentally friendly and practical methods yields extremely promising electrochemical performances for supercapacitor applications. The TiO2/C/PEDOT:PSS nanocomposite presented in this work delivered an electrochemical performance comparable to its published counterparts which are obtained by more sophisticated or hazardous methods and with expensive components. | en_US |
dc.description.sponsorship | TUBITAK (Scientific and Technological Research Council of Turkey)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [112T570] | en_US |
dc.description.sponsorship | This work was partly funded by TUBITAK (the Scientific and Technological Research Council of Turkey - Project No: 112T570). The authors would like to acknowledge the Middle East Technical University Central Laboratory for their support in the characterization of the materials. | en_US |
dc.identifier.doi | 10.3139/120.111545 | en_US |
dc.identifier.endpage | 819 | en_US |
dc.identifier.issn | 0025-5300 | |
dc.identifier.issue | 8 | en_US |
dc.identifier.scopusquality | Q2 | en_US |
dc.identifier.startpage | 814 | en_US |
dc.identifier.uri | http://doi.org/10.3139/120.111545 | |
dc.identifier.uri | https://hdl.handle.net/20.500.12885/384 | |
dc.identifier.volume | 62 | en_US |
dc.identifier.wos | WOS:000568263400008 | en_US |
dc.identifier.wosquality | Q3 | en_US |
dc.indekslendigikaynak | Web of Science | en_US |
dc.institutionauthor | Ünür Yılmaz, Ece | |
dc.language.iso | en | en_US |
dc.publisher | Carl Hanser Verlag | en_US |
dc.relation.ispartof | Materials Testing | en_US |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
dc.rights | info:eu-repo/semantics/closedAccess | en_US |
dc.subject | Anatase TiO2 | en_US |
dc.subject | biomass | en_US |
dc.subject | nanocomposite | en_US |
dc.subject | hydrothermal carbonization | en_US |
dc.subject | supercapacitors | en_US |
dc.title | Synergistic effect of biomass-derived carbon and conducting polymer coatings on the supercapacitive energy storage performance of TiO2 | en_US |
dc.type | Article | en_US |