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Hydrogen separation through tailored dual phase membranes with nominal composition BaCe0.8Eu0.2O3-delta:Ce0.8Y0.2O2-delta at intermediate temperatures

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Hydrogen separation through tailored dual phase membranes with nominal composition BaCe0.8Eu0.2O3-delta:Ce0.8Y0.2O2-delta at intermediate temperatures

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dc.contributor.author Ivanova, Mariya E. es_ES
dc.contributor.author Escolástico Rozalén, Sonia es_ES
dc.contributor.author Balaguer Ramírez, María es_ES
dc.contributor.author Palisaitis, Justinas es_ES
dc.contributor.author Sohn, Yoo Jung es_ES
dc.contributor.author Meulenber, Wilhelm A. es_ES
dc.contributor.author Guillon, Olivier es_ES
dc.contributor.author Mayer, Joachim es_ES
dc.contributor.author Serra Alfaro, José Manuel es_ES
dc.date.accessioned 2017-05-26T10:19:01Z
dc.date.available 2017-05-26T10:19:01Z
dc.date.issued 2016-11-04
dc.identifier.issn 2045-2322
dc.identifier.uri http://hdl.handle.net/10251/81816
dc.description.abstract [EN] Hydrogen permeation membranes are a key element in improving the energy conversion efficiency and decreasing the greenhouse gas emissions from energy generation. The scientific community faces the challenge of identifying and optimizing stable and effective ceramic materials for H-2 separation membranes at elevated temperature (400-800 degrees C) for industrial separations and intensified catalytic reactors. As such, composite materials with nominal composition BaCe0.8Eu0.2O3-delta:Ce0.8Y0.2O2-delta revealed unprecedented H-2 permeation levels of 0.4 to 0.61 mL center dot min(-1)center dot cm(-2) at 700 degrees C measured on 500 mu m-thick-specimen. A detailed structural and phase study revealed single phase perovskite and fluorite starting materials synthesized via the conventional ceramic route. Strong tendency of Eu to migrate from the perovskite to the fluorite phase was observed at sintering temperature, leading to significant Eu depletion of the proton conducing BaCe0.8Eu0.2O3-delta phase. Composite microstructure was examined prior and after a variety of functional tests, including electrical conductivity, H-2-permeation and stability in CO2 containing atmospheres at elevated temperatures, revealing stable material without morphological and structural changes, with segregation-free interfaces and no further diffusive effects between the constituting phases. In this context, dual phase material based on BaCe0.8Eu0.2O3-delta:Ce0.8Y0.2O2-delta represents a very promising candidate for H-2 separating membrane in energy-and environmentally-related applications es_ES
dc.description.sponsorship This work has been conducted with the financial support by the Helmholtz Association under the Research Programme Energy Efficiency, Materials and Resources. Financial funding from the Spanish Government (ENE2014-57651 and SEV-2012-0267 grants) is also gratefully acknowledged. ZEA-3 at FZJ is gratefully acknowledged for performing the ICP-OES analysis. en_EN
dc.language Inglés es_ES
dc.publisher Nature Publishing Group es_ES
dc.relation.ispartof Scientific Reports es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Stronium cerate membranes es_ES
dc.subject Proton-conducting oxides es_ES
dc.subject GD-Doped ceria es_ES
dc.subject Electrical-properties es_ES
dc.subject Chemical-stability es_ES
dc.subject Ceramic membranes es_ES
dc.subject Permeation properties es_ES
dc.subject Transport-properties es_ES
dc.subject H-2/CO2 Separation es_ES
dc.subject Ionic-conductivity es_ES
dc.title Hydrogen separation through tailored dual phase membranes with nominal composition BaCe0.8Eu0.2O3-delta:Ce0.8Y0.2O2-delta at intermediate temperatures es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1038/srep34773
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//SEV-2012-0267/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//ENE2014-57651-R/ES/ALMACENAMIENTO DE ENERGIA VIA REDUCCION DE CO2 A COMBUSTIBLES Y PRODUCTOS QUIMICOS/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química es_ES
dc.description.bibliographicCitation Ivanova, ME.; Escolástico Rozalén, S.; Balaguer Ramírez, M.; Palisaitis, J.; Sohn, YJ.; Meulenber, WA.; Guillon, O.... (2016). Hydrogen separation through tailored dual phase membranes with nominal composition BaCe0.8Eu0.2O3-delta:Ce0.8Y0.2O2-delta at intermediate temperatures. Scientific Reports. 6:1-14. https://doi.org/10.1038/srep34773 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://doi.org/10.1038/srep34773 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 14 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 6 es_ES
dc.relation.senia 331682 es_ES
dc.identifier.pmid 27812011 en_EN
dc.identifier.pmcid PMC5095711
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder Helmholtz Association of German Research Centers es_ES
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