Structural and electrochemical characterization of thermally treated vanadium oxide nanotubes for Li-ion batteries

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dc.contributor.author McNulty, David
dc.contributor.author Buckley, D. Noel
dc.contributor.author O'Dwyer, Colm
dc.date.accessioned 2018-05-16T14:17:13Z
dc.date.available 2018-05-16T14:17:13Z
dc.date.issued 2013-04-01
dc.identifier.citation McNulty, D., Buckley, D. N. and O'Dwyer, C. (2013) 'Structural and Electrochemical Characterization of Thermally Treated Vanadium Oxide Nanotubes for Li-Ion Batteries', ECS Transactions, 50(24), pp. 165-174. doi: 10.1149/05024.0165ecst en
dc.identifier.volume 50 en
dc.identifier.issued 24 en
dc.identifier.startpage 165 en
dc.identifier.endpage 174 en
dc.identifier.issn 1938-5862
dc.identifier.uri http://hdl.handle.net/10468/6130
dc.identifier.doi 10.1149/05024.0165ecst
dc.description.abstract Vanadium oxide nanotubes (VONTs) have been successfully synthesized by hydrothermal treatment of a mixture of vanadium oxide xerogel and nonylamine. Traditionally dodecylamine and hexadecylamine are used as the structure maintaining template. In this study, however, evidence of high quality nanotubes templated with nonylamine is presented. Thermogravimetric analysis was used to determine the temperature at which the amine molecules can be removed from the nanotubes. The removal of amines is desirable as heavy functionalization of VONTs by amine molecules can impede the intercalation of lithium ions. The removal of the amine chains resulted in a change in morphology from pristine nanotubes to polycrystalline vanadium oxide nanorods. High resolution transmission electron microscopy was used to characterize the VONTs before and after annealing to high temperatures. Fourier transform infrared spectroscopy confirmed the removal of the amine template after annealing. Galvanostatic discharge tests were performed to compare the electrochemical behavior of bulk V2O5 powder, VONTs and polycrystalline nanorods (poly-NRs). A comparison of their specific capacity values after the first discharge is also presented. en
dc.description.sponsorship Higher Education Authority (under the framework of the INSPIRE programme, funded by the Irish Government's Programme for Research in Third Level Institutions, Cycle 4, National Development Plan 2007-2013) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Electrochemical Society en
dc.rights © The Electrochemical Society en
dc.subject Nanotubes en
dc.subject Fourier transform infrared spectroscopy en
dc.subject High resolution transmission electron microscopy en
dc.subject Molecules en
dc.subject Nanorods en
dc.subject Oxides en
dc.subject Positive ions en
dc.subject Secondary batteries en
dc.subject Thermogravimetric analysis en
dc.title Structural and electrochemical characterization of thermally treated vanadium oxide nanotubes for Li-ion batteries en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Colm O'Dwyer, Chemistry, University College Cork, Cork, Ireland. +353-21-490-3000 Email: c.odwyer@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2018-05-15T23:13:15Z
dc.description.version Accepted Version en
dc.internal.rssid 211787843
dc.contributor.funder Science Foundation Ireland en
dc.contributor.funder Higher Education Authority en
dc.description.status Peer reviewed en
dc.identifier.journaltitle ECS Transactions en
dc.internal.copyrightchecked No !!CORA!! en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress c.odwyer@ucc.ie en
dc.relation.project info:eu-repo/grantAgreement/SFI/Charles Parsons Energy Research Awards/06/CP/E007/IE/Charles Parsons Research Initiative & Graduate School/ en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Stokes Professorship & Lectureship Programme/07/SK/B1232a/IE/Colm ODwyer/ en


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