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Overstoichiometric oxides Ln2NiO4+δ (Ln = La, Pr or Nd) as oxygen anodic electrodes for solid oxide electrolysis application

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorOGIER, Tiphaine
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAUVY, Fabrice
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBASSAT, Jean-Marc.
hal.structure.identifierLaboratoire d'Innovation pour les Technologies des Energies Nouvelles et les nanomatériaux [LITEN]
dc.contributor.authorLAURENCIN, Jérôme
hal.structure.identifierLaboratoire d'Innovation pour les Technologies des Energies Nouvelles et les nanomatériaux [LITEN]
dc.contributor.authorMOUGIN, Julie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGRENIER, Jean-Claude
dc.date.issued2015
dc.identifier.issn0360-3199
dc.description.abstractEnImproving the oxygen electrode performances of the single solid oxide electrolysis cell (SOEC) is of peculiar interest as it contributes to a large extent to the cell polarization resistance. The present study focuses on alternative oxygen electrode materials: the oxygen overstoichiometric rare-earth nickelate oxides Ln2NiO4+δ (Ln = La, Pr or Nd). Their electrochemical properties are measured on three-electrode symmetrical half-cells under zero dc conditions and under anodic polarization. The electrochemical characteristics are compared to those of the usual perovskite La0.6Sr0.4Fe0.8Co0.2O3-δ (LSFC) electrode. Under polarization, in the temperature range from 600 °C to 800 °C, the Pr2NiO4+δ-based cells exhibit the highest performances. At the same anodic overpotential of 0.15 V/Pt/air, the current densities measured through Pr2NiO4+δ nickelate-based cells are more than ten times larger than those obtained with a cell based on LSCF. The modeling of the anodic overpotential phenomena (activation and concentration terms) occurring at the oxygen electrode is achieved and discussed.
dc.description.sponsorshipStacks Expérimentaux et Modules Innovants pour EHT - ANR-05-PANH-0019
dc.description.sponsorshipFIabilisation De l'ELectrolYse de l'eau à haute température pour la production d'Hydrogène - ANR-09-HPAC-0005
dc.language.isoen
dc.publisherElsevier
dc.title.enOverstoichiometric oxides Ln2NiO4+δ (Ln = La, Pr or Nd) as oxygen anodic electrodes for solid oxide electrolysis application
dc.typeArticle de revue
dc.identifier.doi10.1016/j.ijhydene.2015.09.107
dc.subject.halChimie/Matériaux
bordeaux.journalInternational Journal of Hydrogen Energy
bordeaux.page15885-15892
bordeaux.volume40
bordeaux.issue46
bordeaux.peerReviewedoui
hal.identifierhal-01235962
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01235962v1
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