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Enhanced performance and durability of a high temperature steam electrolysis stack

hal.structure.identifierLaboratoire d'Innovation pour les Technologies des Energies Nouvelles et les nanomatériaux [LITEN]
dc.contributor.authorMOUGIN, Julie
hal.structure.identifierLaboratoire d'Innovation pour les Technologies des Energies Nouvelles et les nanomatériaux [LITEN]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMANSUY, Aurore
hal.structure.identifierLaboratoire d'Innovation pour les Technologies des Energies Nouvelles et les nanomatériaux [LITEN]
dc.contributor.authorCHATROUX, A.
hal.structure.identifierLaboratoire d'Innovation pour les Technologies des Energies Nouvelles et les nanomatériaux [LITEN]
dc.contributor.authorGOUSSEAU, G.
hal.structure.identifierLaboratoire d'Innovation pour les Technologies des Energies Nouvelles et les nanomatériaux [LITEN]
dc.contributor.authorPETITJEAN, Marie
hal.structure.identifierLaboratoire d'Innovation pour les Technologies des Energies Nouvelles et les nanomatériaux [LITEN]
dc.contributor.authorREYTIER, Magali
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAUVY, Fabrice
dc.date.issued2013
dc.identifier.issn1615-6846
dc.description.abstractEnHigh temperature steam electrolysis (HTSE) is one of the most promising ways for hydrogen mass production. If coupled to a CO2-free electricity and a low cost heat source, this process is liable to a high efficiency. High levels of performance and durability, in association with cost-effective stack and system components are the key points. To reach such goals, a low-weight stack has been designed, keeping the advantages of the high performing and robust stack previously validated in terms of performance, durability, and cyclability [1], but aiming at reducing the cost by the use of thin interconnects. This low-weight stack has demonstrated at the scale of a 3-cell stack a good performance of -1.0 A cm-2 at 1.3 V at 800 °C. Before performing the durability test, preliminary studies at the cell level have been carried out to highlight the effect of two major operating parameters that are the current density and the steam conversion (SC) ratio, those studies being carried out at one temperature, 800 °C. Based on these results, optimized operating parameters have been defined to perform the durability test on the stack, that is -0.5 A cm-2 and a SC ratio of 25%. Degradation rates around 3-4% 1,000 h-1 have been measured. The thermal cyclability of this stack has also been demonstrated with one thermal cycle. Therefore it can be concluded that these results make HTSE technology getting closer to the objectives of performance, durability, thermal cyclability, and cost.
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.subject.enDurability
dc.subject.enHigh Temperature Steam Electrolysis
dc.subject.enPerformance
dc.subject.enSOEC
dc.subject.enSolid Oxide Electrolysis Cell
dc.subject.enStack
dc.title.enEnhanced performance and durability of a high temperature steam electrolysis stack
dc.typeArticle de revue
dc.identifier.doi10.1002/fuce.201200199
dc.subject.halChimie/Matériaux
bordeaux.journalFuel Cells
bordeaux.page623-630
bordeaux.volume13
bordeaux.issue4
bordeaux.peerReviewedoui
hal.identifierhal-00861775
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00861775v1
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