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A layered Perovskite EuBaCo2O5+d for intermediate-temperature solid oxide fuel cell cathode

hal.structure.identifierKey Laboratory of Functional Inorganic Material Chemistry [KLFIMC]
dc.contributor.authorSHI, Zhan
hal.structure.identifierKey Laboratory of Functional Inorganic Material Chemistry [KLFIMC]
dc.contributor.authorXIA, Tian
hal.structure.identifierKey Laboratory of Functional Inorganic Material Chemistry [KLFIMC]
dc.contributor.authorMENG, Fuchang
hal.structure.identifierKey Laboratory of Superlight Materials and Surface Technology
dc.contributor.authorWANG, Jingping
hal.structure.identifierKey Laboratory of Functional Inorganic Material Chemistry [KLFIMC]
dc.contributor.authorLIAN, Jie
hal.structure.identifierKey Laboratory of Functional Inorganic Material Chemistry [KLFIMC]
dc.contributor.authorZHAO, Hui
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBASSAT, Jean-Marc.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGRENIER, Jean-Claude
hal.structure.identifierState Key Laboratory of Rare Earth Resources Utilization
dc.contributor.authorMENG, Jian
dc.date.issued2014
dc.identifier.issn1615-6846
dc.description.abstractEnA layered perovskite EuBaCo2O5+δ (EBCO) has been prepared by a solid-state reaction, and evaluated as potential cathode for intermediate-temperature solid oxide fuel cells. Structural characterizations are determined at room temperature using powder X-ray diffraction and transmission electron microscopy technique. The good fits to the XRD data by Rietveld refinement method are obtained in the orthorhombic space group (Pmmm). The lower average thermal expansion coefficient, 14.9 × 10–6 °C–1 between 100 and 800 °C, indicates its better thermal expansion compatibility with conventional electrolytes, compared with the other cobalt-containing cathode materials. The high electrical conductivity and large oxygen nonstoichiometry at intermediate temperatures suggest the effective charge transfer reactions including electron conduction and oxide-ion motion in cathode. As a result, a highly electrochemical activity towards the oxygen reduction reaction is achieved between 600 and 700 °C, as evidenced by low area-specific resistances, e.g. 0.14–0.5 Ω cm2. In addition, cathodic overpotential and oxygen reduction kinetics of the EBCO cathode have also been studied.
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.title.enA layered Perovskite EuBaCo2O5+d for intermediate-temperature solid oxide fuel cell cathode
dc.typeArticle de revue
dc.identifier.doi10.1002/fuce.201300273
dc.subject.halChimie/Matériaux
bordeaux.journalFuel Cells
bordeaux.page979-990
bordeaux.volume14
bordeaux.issue6
bordeaux.peerReviewedoui
hal.identifierhal-01108431
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01108431v1
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