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Protonic Conduction of Partially-Substituted CsH2PO4 and the Applicability in Electrochemical Devices

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Protonic Conduction of Partially-Substituted CsH2PO4 and the Applicability in Electrochemical Devices

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dc.contributor.author Navarrete Algaba, Laura es_ES
dc.contributor.author Andrio, Andreu es_ES
dc.contributor.author Escolástico Rozalén, Sonia es_ES
dc.contributor.author Moya, Sergio es_ES
dc.contributor.author Compañ Moreno, Vicente es_ES
dc.contributor.author Serra Alfaro, José Manuel es_ES
dc.date.accessioned 2021-01-20T04:31:43Z
dc.date.available 2021-01-20T04:31:43Z
dc.date.issued 2019-04 es_ES
dc.identifier.uri http://hdl.handle.net/10251/159518
dc.description.abstract [EN] CsH2PO4 is a proton conductor pertaining to the acid salts group and shows a phase transition from monoclinic to cubic phase at 232 +/- 2 degrees C under high-steam atmospheres (>30%). This cubic phase gives rise to the so-called superprotonic conductivity. In this work, the influence of the partial substitution of Cs by Ba and Rb, as well as the partial substitution of P by W, Mo, and S in CsH2PO4 on the phase transition temperature and electrochemical properties is studied. Among the tested materials, the partial substitution by Rb led to the highest conductivity at high temperature. Furthermore, Ba and S-substituted salts exhibited the highest conductivity at low temperatures. CsH2PO4 was used as electrolyte in a fully-assembled fuel cell demonstrating the applicability of the material at high pressures and the possibility to use other materials (Cu and ZnO) instead of Pt as electrode electrocatalyst. Finally, an electrolyzer cell composed of CsH2PO4 as electrolyte, Cu and ZnO as cathode and Pt and Ag as anode was evaluated, obtaining a stable production of H-2 at 250 degrees C. es_ES
dc.description.sponsorship Funding from Spanish Government (SEV-2016-0683, ENE2014-57651 and Juan de la Cierva-Incorporacion 2016 Grants) is kindly acknowledged. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Membranes es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Cesium dihydrogen phosphate es_ES
dc.subject Proton conductor es_ES
dc.subject Composite solid electrolyte es_ES
dc.subject Conductivity es_ES
dc.subject Fuel cell es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Protonic Conduction of Partially-Substituted CsH2PO4 and the Applicability in Electrochemical Devices es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/membranes9040049 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.relation.projectID info:eu-repo/grantAgreement/MINECO//SEV-2016-0683/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Termodinámica Aplicada - Departament de Termodinàmica Aplicada 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 Navarrete Algaba, L.; Andrio, A.; Escolástico Rozalén, S.; Moya, S.; Compañ Moreno, V.; Serra Alfaro, JM. (2019). Protonic Conduction of Partially-Substituted CsH2PO4 and the Applicability in Electrochemical Devices. Membranes. 9(4):1-11. https://doi.org/10.3390/membranes9040049 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/membranes9040049 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 11 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 9 es_ES
dc.description.issue 4 es_ES
dc.identifier.eissn 2077-0375 es_ES
dc.identifier.pmid 30970627 es_ES
dc.identifier.pmcid PMC6523917 es_ES
dc.relation.pasarela S\402557 es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder Ministerio de Ciencia, Innovación y Universidades es_ES
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