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On the methanol permeability through pristine Nafion and Nafion/PVA membranas measured by different techniques. A comparison of methodologies

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On the methanol permeability through pristine Nafion and Nafion/PVA membranas measured by different techniques. A comparison of methodologies

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dc.contributor.author Mollá Romano, Sergio es_ES
dc.contributor.author Compañ Moreno, Vicente es_ES
dc.contributor.author Lafuente, S.L. es_ES
dc.contributor.author Prats, Joan es_ES
dc.date.accessioned 2013-04-19T12:01:17Z
dc.date.issued 2011-10-05
dc.identifier.issn 1615-6846
dc.identifier.uri http://hdl.handle.net/10251/28080
dc.description.abstract [EN] Methanol crossover through polymer electrolyte membranes is a critical issue and causes an important reduction of per- formance in direct methanol fuel cells (DMFCs). Measuring the evolution of CO 2 gas in the cathode is a common method to determine the methanol crossover under real operating conditions, although an easier and simpler method is prefer- able for the screening of membranes during their step of development. In this sense, this work has been focused on the ex situ characterization of the methanol permeability in novel nanofiber-reinforced composite Nafion/PVA mem- branes for DMFC application by means of three different experimental procedures: (a) potentiometric method, (b) gas chromatography technique, and (c) measuring the density. It was found that all these methods resulted in comparable results and it was observed that the incorporation of the PVA nanofiber phase within the Nafion ¿ matrix causes a remarkable reduction of the methanol permeability. The optimal choice of the most suitable technique depends on the accuracy expected for the methanol concentration, the availability of the required instrumental, and the complexity of the procedure. es_ES
dc.description.sponsorship This work has been supported by the Valencian Institute of Small and Medium-Sized Enterprises (IMPIVA) and the European Regional Development Funds, through the project IMIDIC/2010/13. en_EN
dc.language Inglés es_ES
dc.publisher Wiley-VCH Verlag en_EN
dc.relation.ispartof Fuel Cells es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject DMFC es_ES
dc.subject Nanocomposite mafion membranes es_ES
dc.subject Methanol permeability es_ES
dc.subject Nanofibers es_ES
dc.subject PVA es_ES
dc.subject.classification FISICA APLICADA es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title On the methanol permeability through pristine Nafion and Nafion/PVA membranas measured by different techniques. A comparison of methodologies es_ES
dc.type Artículo es_ES
dc.embargo.lift 10000-01-01
dc.embargo.terms forever es_ES
dc.identifier.doi 10.1002/fuce.201100004
dc.relation.projectID info:eu-repo/grantAgreement/GVA//IMIDIC%2F2010%2F013/ES/DESENVOLUPAMENT DE MATERIALS I COMPONENTS PER A PILES DE COMBUSTIBLE DE MEMBRANES D’INTERCANVI PROTÒNIC (PEMFC) I DE METANOL DIRECTE (DMFC)/ es_ES
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Termodinámica Aplicada - Departament de Termodinàmica Aplicada es_ES
dc.description.bibliographicCitation Mollá Romano, S.; Compañ Moreno, V.; Lafuente, S.; Prats, J. (2011). On the methanol permeability through pristine Nafion and Nafion/PVA membranas measured by different techniques. A comparison of methodologies. Fuel Cells. 11(6):897-906. https://doi.org/10.1002/fuce.201100004 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://onlinelibrary.wiley.com/doi/10.1002/fuce.201100004/pdf es_ES
dc.description.upvformatpinicio 897 es_ES
dc.description.upvformatpfin 906 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 11 es_ES
dc.description.issue 6 es_ES
dc.relation.senia 193905
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder Instituto de la Pequeña y Mediana Industria de la Generalitat Valenciana es_ES
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