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Effect of Nd-deficiency on electrochemical properties of NdBaCo2O6−δ cathode for intermediate-temperature solid oxide fuel cells

hal.structure.identifierKey Laboratory of Functional Inorganic Material Chemistry [KLFIMC]
dc.contributor.authorYI, Kaihua
hal.structure.identifierKey Laboratory of Functional Inorganic Material Chemistry [KLFIMC]
dc.contributor.authorSUN, Liping
hal.structure.identifierKey Laboratory of Functional Inorganic Material Chemistry [KLFIMC]
dc.contributor.authorLI, Qiang
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.authorHUO, Lihua
hal.structure.identifierKey Laboratory of Functional Inorganic Material Chemistry [KLFIMC]
dc.contributor.authorZHAO, Hui
hal.structure.identifierDepartment of Physics
dc.contributor.authorLI, Jingwei
hal.structure.identifierDepartment of Physics
dc.contributor.authorLÜ, Zhe
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.authorROUGIER, Aline
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorFOURCADE, Sébastien
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGRENIER, Jean-Claude
dc.date.issued2016-06
dc.identifier.issn0360-3199
dc.description.abstractEnNd1−xBaCo2O6−δ (N1−xBCO) is evaluated as cathode materials for intermediate-temperature solid oxide fuel cells (IT-SOFCs). The effects of Nd-deficiency on the crystal structure, thermal expansion behavior, electrical conductivity and electrochemical performance are studied. N1−xBCO oxides crystallize in the orthorhombic symmetry with Pmmm space group. A good chemical compatibility between N1−xBCO and CGO electrolyte is found at 1100 °C in air. Introducing Nd-deficiency promotes the formation of oxygen vacancy, and significantly improves the electrochemical performance of N1−xBCO cathodes. The lowest area specific resistance (ASR) value of 0.043 Ω cm2 is obtained on the N0.96BCO cathode at 700 °C in air. The rate limiting step for electrochemical oxygen reduction reaction (ORR) is charge transfer process at the interface. The power output of the electrolyte supported cell Ni-CGO/CGO/N0.96BCO reaches 0.6 W cm−2 at 700 °C.
dc.language.isoen
dc.publisherElsevier
dc.subject.enSolid oxide fuel cell
dc.subject.enDouble perovskite
dc.subject.enNd-deficiency
dc.subject.enCathode
dc.subject.enElectrode reaction
dc.title.enEffect of Nd-deficiency on electrochemical properties of NdBaCo2O6−δ cathode for intermediate-temperature solid oxide fuel cells
dc.typeArticle de revue
dc.identifier.doi10.1016/j.ijhydene.2016.04.248
dc.subject.halChimie/Matériaux
bordeaux.journalInternational Journal of Hydrogen Energy
bordeaux.page10228-10238
bordeaux.volume41
bordeaux.issue24
bordeaux.peerReviewedoui
hal.identifierhal-01346266
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01346266v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=International%20Journal%20of%20Hydrogen%20Energy&rft.date=2016-06&rft.volume=41&rft.issue=24&rft.spage=10228-10238&rft.epage=10228-10238&rft.eissn=0360-3199&rft.issn=0360-3199&rft.au=YI,%20Kaihua&SUN,%20Liping&LI,%20Qiang&XIA,%20Tian&HUO,%20Lihua&rft.genre=article


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