Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/44484

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dc.contributor.authorCardoso, Marita A.por
dc.contributor.authorLeones, Rita Daniela Barrospor
dc.contributor.authorRodrigues, Luísa Cidália Guimarãespor
dc.contributor.authorFernandes, Marianapor
dc.contributor.authorFigueiredo, Filipe L.por
dc.contributor.authorNunes, Sílvia C.por
dc.contributor.authorSilva, Maria Manuelapor
dc.contributor.authorde Zea Bermudez, Verónicapor
dc.date.accessioned2017-01-26T12:19:50Z-
dc.date.issued2016-05-
dc.identifier.citationCardoso, M. A., Leones, R., Rodrigues, L., Fernandes, M., Figueiredo, F. L., Nunes, S. C., ... & De Zea Bermudez, V. C. (2016). Di‐ureasil hybrid electrolytes incorporating a new proton ionic liquid. ChemElectroChempor
dc.identifier.issn2196-0216por
dc.identifier.urihttp://hdl.handle.net/1822/44484-
dc.description.abstractThe protic ionic liquid (PIL) N-butylimidazolium trifluoromethanesulfonate ([BIm][TfO]) was obtained for the first time and incorporated into a sol-gel derived di-ureasil matrix with a concentration of X = 5, 10 and 30 %, where X is the ratio of the mass of PIL per mass of poly(oxyethylene) (POE). Four years after their synthesis, the resulting quasi-anhydrous electrolytes remained amorphous, homogeneous, flexible and thermally stable below 200 ºC. SEM/EDS data revealed the presence of the PIL at the surface of the xerogels with X > 5 %, demonstrating that this type of morphological characterization is mandatory to avoid misleading ionic conductivity values. The highest ionic conductivity was produced in the washed sample with X = 30 % (3.5 x10-5 and 2.1x10-3 S cm-1 at 25 and 170 ºC, respectively). The present family of electrolytes yielded higher conductivities than the N-ethylimidazolium trifluoromethanesulfonate-based analogues introduced earlier by our group and may be thus considered as promising candidates for applications in fuel cells.por
dc.description.sponsorshipFundação para a Ciência e a Tecnologia (FCT) and when applicable by FEDER under the PT2020 Partnership Agreement for financial support (contracts PTDC/CTM - BPC/112774/2009, UID/Multi/00709/2013, PEst - C/QUI/ UI0686/2013, PEst - OE/QUI/UI0616/2014 and FCT UID/CTM/50011/2013 ) and COST Action MP1202por
dc.language.isoengpor
dc.publisherWiley-VCH Verlagpor
dc.relationinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/112774/PTpor
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147255/PTpor
dc.relationinfo:eu-repo/grantAgreement/FCT/COMPETE/132953/PTpor
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/135918/PTpor
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147332/PTpor
dc.rightsrestrictedAccesspor
dc.subjectEletrólitos poliméricospor
dc.subjectLíquidos iónicospor
dc.subjectdi - ureasil hybridpor
dc.subjectElectrolytespor
dc.subjectN - butylimidazolium trifluoromethanesulfonate protic ionic liquidpor
dc.subjectFuel cellpor
dc.subjectconducting materialspor
dc.subjectdi-ureasil hybridspor
dc.subjectfuel cellspor
dc.subjectionic liquidspor
dc.titleDi-ureasil hybrid electrolytes incorporating a new proton ionic liquidpor
dc.typearticlepor
dc.peerreviewedyespor
dc.relation.publisherversionhttp://onlinelibrary.wiley.com/doi/10.1002/celc.201500557/abstractpor
sdum.publicationstatusinfo:eu-repo/semantics/publishedVersionpor
oaire.citationStartPage783por
oaire.citationEndPage789por
oaire.citationIssue5por
oaire.citationTitleChemElectroChempor
oaire.citationVolume3por
dc.identifier.essn2196-0216por
dc.identifier.doi10.1002/celc.201500557por
dc.subject.fosCiências Naturais::Outras Ciências Naturaispor
dc.subject.wosScience & Technologypor
sdum.journalChemelectrochempor
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