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YBaCuO-type perovskites as potential air electrodes for SOFCs. The case of YSr2Cu2FeO7+δ

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dc.contributor.authorLópez Paz, Sara Almudena
dc.contributor.authorMarín Gamero, Rafael
dc.contributor.authorMartínez de Irujo Labalde, Xabier
dc.contributor.authorSánchez Marcos, Jorge
dc.contributor.authorPerez Coll, Domingo
dc.contributor.authorAlario y Franco, Miguel Ángel
dc.contributor.authorGarcía Martín, Susana
dc.date.accessioned2024-01-09T17:04:13Z
dc.date.available2024-01-09T17:04:13Z
dc.date.issued2021
dc.description.abstractThe electrochemical properties of YSr2Cu2FeO7+d with YBaCuO-type structure have been studied. The temperature dependent oxygen content of this oxide has a marked influence on its p-type conducting behavior, since topochemical oxygen release occurs on heating above 673 K while reversible oxygen uptake takes place on cooling. Mixed valence Fe3+/Fe4+ and Cu2+/Cu3+ in combination with anion vacancies within the oxygen-sublattice suggest mixed (electronic and ionic) conductivity in this oxide. Electrochemical measurements indicate that YSr2Cu2FeO7+d shows high oxygen reduction reaction activity at intermediate temperatures, revealing its potential applications as an air electrode in SOFCs.
dc.description.departmentDepto. de Química Inorgánica
dc.description.facultyFac. de Ciencias Químicas
dc.description.refereedTRUE
dc.description.sponsorshipEuropean Commission
dc.description.statuspub
dc.identifier.citationLópez-Paz, Sara A., et al. «YBaCuO-Type Perovskites as Potential Air Electrodes for SOFCs. The Case of YSr 2 Cu 2 FeO 7+δ». Journal of Materials Chemistry A, vol. 9, n.o 13, 2021, pp. 8554-60. https://doi.org/10.1039/D1TA00111F.
dc.identifier.doi10.1039/D1TA00111F
dc.identifier.issn2050-7496
dc.identifier.officialurlhttps://doi.org/10.1039/D1TA00111F
dc.identifier.urihttps://hdl.handle.net/20.500.14352/92116
dc.journal.titleJournal of Materials Chemistry A
dc.language.isoeng
dc.page.final8560
dc.page.initial8554
dc.publisherRSC Publishing
dc.relation.projectIDProject RTI2018-095088
dc.relation.projectIDProject FRA2019/03
dc.rights.accessRightsrestricted access
dc.subject.cdu546
dc.subject.ucmQuímica inorgánica (Química)
dc.subject.unesco2303 Química Inorgánica
dc.titleYBaCuO-type perovskites as potential air electrodes for SOFCs. The case of YSr2Cu2FeO7+δ
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number9
dspace.entity.typePublication
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