A New Stack to Validate Technical Solutions and Numerical Simulations
Identifieur interne : 000257 ( Main/Exploration ); précédent : 000256; suivant : 000258A New Stack to Validate Technical Solutions and Numerical Simulations
Auteurs : T. Boëdec [France] ; M. Reytier [France] ; D. Lhachemi [France] ; D. Tschumperlé [France] ; P. Louat [France] ; S. Di Iorio [France] ; P. Baurens [France] ; G. Delette [France]Source :
- Fuel Cells [ 1615-6846 ] ; 2012-04.
Descripteurs français
- Wicri :
- topic : Hydrogène.
English descriptors
- KwdEn :
Abstract
A new design of High Temperature Steam Electrolyzer (HTSE) based on metallic seals, associated to an insulating cell support and a flexible interconnect system has been proposed. In this work, complete simulations of this 3D design have been performed with ANSYS®‐FLUENT® software. The temperature repartition is determined by taking into account thermal exchanges, fluids movements, and electrochemical reactions. Moreover, due to stress relaxation mechanism, the flexible interconnect loading decreases during time, which may impact the contact resistance and the electrochemical solution. A possible degradation of the contact resistance with time is predicted by the simulation and its effect will be discussed according to some design parameters. Steam electrolysis tests have been conducted at 800 °C on this new design. The comparisons to the simulations are also presented. All these results obtained in this study lead to propose some recommendations for such a design.
Url:
DOI: 10.1002/fuce.201100078
Affiliations:
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In this work, complete simulations of this 3D design have been performed with ANSYS®‐FLUENT® software. The temperature repartition is determined by taking into account thermal exchanges, fluids movements, and electrochemical reactions. Moreover, due to stress relaxation mechanism, the flexible interconnect loading decreases during time, which may impact the contact resistance and the electrochemical solution. A possible degradation of the contact resistance with time is predicted by the simulation and its effect will be discussed according to some design parameters. Steam electrolysis tests have been conducted at 800 °C on this new design. The comparisons to the simulations are also presented. All these results obtained in this study lead to propose some recommendations for such a design.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Rhône-Alpes</li><li>Île-de-France</li></region><settlement><li>Grenoble</li><li>Lyon</li><li>Montigny le Bretonneux</li></settlement></list><tree><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Boedec, T" sort="Boedec, T" uniqKey="Boedec T" first="T." last="Boëdec">T. Boëdec</name></region><name sortKey="Baurens, P" sort="Baurens, P" uniqKey="Baurens P" first="P." last="Baurens">P. Baurens</name><name sortKey="Delette, G" sort="Delette, G" uniqKey="Delette G" first="G." last="Delette">G. Delette</name><name sortKey="Delette, G" sort="Delette, G" uniqKey="Delette G" first="G." last="Delette">G. Delette</name><name sortKey="Di Iorio, S" sort="Di Iorio, S" uniqKey="Di Iorio S" first="S." last="Di Iorio">S. Di Iorio</name><name sortKey="Lhachemi, D" sort="Lhachemi, D" uniqKey="Lhachemi D" first="D." last="Lhachemi">D. Lhachemi</name><name sortKey="Louat, P" sort="Louat, P" uniqKey="Louat P" first="P." last="Louat">P. Louat</name><name sortKey="Reytier, M" sort="Reytier, M" uniqKey="Reytier M" first="M." last="Reytier">M. Reytier</name><name sortKey="Tschumperle, D" sort="Tschumperle, D" uniqKey="Tschumperle D" first="D." last="Tschumperlé">D. Tschumperlé</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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