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Effect of metallacarborane salt H[COSANE] doping on the performance properties of polybenzimidazole membranes for high temperature PEMFCs

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Effect of metallacarborane salt H[COSANE] doping on the performance properties of polybenzimidazole membranes for high temperature PEMFCs

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dc.contributor.author Olvera-Mancilla, Jessica es_ES
dc.contributor.author Escorihuela, Jorge es_ES
dc.contributor.author Alexandrova, Larissa es_ES
dc.contributor.author Andrio, Andreu es_ES
dc.contributor.author Garcia-Bernabe, Abel es_ES
dc.contributor.author Del Castillo, Luis Felipe es_ES
dc.contributor.author Compañ Moreno, Vicente es_ES
dc.date.accessioned 2021-03-02T04:31:45Z
dc.date.available 2021-03-02T04:31:45Z
dc.date.issued 2020-08-28 es_ES
dc.identifier.issn 1744-683X es_ES
dc.identifier.uri http://hdl.handle.net/10251/162646
dc.description.abstract [EN] In this paper, a series of composite proton exchange membranes comprising a cobaltacarborane protonated H[Co(C2B9H11)(2)] named (H[COSANE]) and polybenzimidazole (PBI) for a high temperature proton exchange membrane fuel cell (PEMFC) is reported, with the aim of enhancing the proton conductivity of PBI membranes doped with phosphoric acid. The effects of the anion [Co(C2B9H11)(2)] concentration in three different polymeric matrices based on the PBI structure, poly(2,2 '-(m-phenylene)-5,5 '-bibenzimidazole) (PBI-1), poly[2,2 '-(p-oxydiphenylene)-5,5 '-bibenzimidazole] (PBI-2) and poly(2,2 '-(p-hexafluoroisopropylidene)-5,5 '-bibenzimidazole) (PBI-3), have been investigated. The conductivity, diffusivity and mobility are greater in the composite membrane poly(2,2 '-(p-hexafluoroisopropylidene)-5,5 '-bibenzimidazole) containing fluorinated groups, reaching a maximum when the amount of H[COSANE] was 15%. In general, all the prepared membranes displayed excellent and tunable properties as conducting materials, with conductivities higher than 0.03 S cm(-1)above 140 degrees C. From an analysis of electrode polarization (EP) the proton diffusion coefficients and mobility have been calculated. es_ES
dc.description.sponsorship This work was financially supported by the Ministerio de Economia y Competitividad (MINECO) under project ENE/2015-69203-R and by Consejo Nacional de Ciencia y Tecnologia (CONACyT) for the postdoctoral grant to J. O. The technical support of Servei de Microscpia Electrnica at Universitat Politecnica de Valencia and Servei Central d'Instrumentacio Cientifica at Universitat Jaume I is gratefully acknowledged. The authors thanks Prof. Santiago V. Luis (from Universitat Jaume I) and Dr Isabel Fuentes, Prof. Francesc Teixidor and Prof. Clara Vinas (from Instituto de Materiales de Barcelona, CSIC), for supplying the H[COSANE] compound. es_ES
dc.language Inglés es_ES
dc.publisher The Royal Society of Chemistry es_ES
dc.relation.ispartof Soft Matter es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Effect of metallacarborane salt H[COSANE] doping on the performance properties of polybenzimidazole membranes for high temperature PEMFCs es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1039/d0sm00743a es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//ENE2015-69203-R/ES/DESARROLLO Y EVALUACION DE NUEVAS MEMBRANAS POLIMERICAS REFORZADAS CON NANOFIBRAS PARA SU APLICACION EN PILAS DE COMBUSTIBLE CON ELEVADA ESTABILIDAD TERMICA/ 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.description.bibliographicCitation Olvera-Mancilla, J.; Escorihuela, J.; Alexandrova, L.; Andrio, A.; Garcia-Bernabe, A.; Del Castillo, LF.; Compañ Moreno, V. (2020). Effect of metallacarborane salt H[COSANE] doping on the performance properties of polybenzimidazole membranes for high temperature PEMFCs. Soft Matter. 16(32):7624-7635. https://doi.org/10.1039/d0sm00743a es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1039/d0sm00743a es_ES
dc.description.upvformatpinicio 7624 es_ES
dc.description.upvformatpfin 7635 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 16 es_ES
dc.description.issue 32 es_ES
dc.identifier.pmid 32735001 es_ES
dc.relation.pasarela S\423667 es_ES
dc.contributor.funder Consejo Nacional de Ciencia y Tecnología, México es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
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