Étude et modélisation d'une plate-forme industrielle de production d'hydrogène par électrolyse de vapeur d'eau à haute température

Abstract : HTSE field (High Temperature Steam Electrolysis) is moving from the research phase to development phase. It?s now necessary to prove and to possibly improve the technology competitiveness. Therefore we need a tool able to allow communication between hydrogen producers and electrolysis cell stack designers. Designers seek where their efforts have to focus, for example by searching what are the operating best conditions for HTSE (voltage, temperature). On the contrary, the producer wants to choose the most suitable stack for its needs and under the best conditions: hydrogen has to be produced at the lowest price. Two main constraints have been identified to reach this objective: the tool has to be inserted into a process simulation software and needs to be representative of the cell and stack used technology. These constraints are antagonistic. Making an object model in a process simulation usually involves a highly simplified representation of it. To meet these constraints, we have built a model chain starting from the electrode models and leading to a representative model of the HTSE technology used process. Work and added value of this thesis mainly concern a global and local energy optimization approach. Our model allows at each scale an appropriate analysis of the main phenomena occurring in each object and a quantification of the energy and economic impacts of the technology used. This approach leads to a tool able to achieve the technical and economic optimization of a HTSE production unit.
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Luc Bertier. Étude et modélisation d'une plate-forme industrielle de production d'hydrogène par électrolyse de vapeur d'eau à haute température. Autre. Université de Lorraine, 2012. Français. ⟨NNT : 2012LORR0127⟩. ⟨tel-01749339⟩

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