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Development of a novel quasi-2D PEM Electrolyzer Model in Modelica

  • To increase the efficiency of PEM electrolysis, simulation models are required that accurately describe the system's electrochemical and thermal behavior in a computationally efficient manner and are thus suitable for developing control strategies. Therefore, a pseudo-2D PEM electrolyzer model is presented in this paper, which is a compromise between the previously developed models regarding their model complexity. The electrochemical behavior is described with equations commonly used in the literature and the thermal behavior with correlations for gas-liquid heat transfer. Preliminary validation indicates that the model can describe the electrochemical behavior and thermal dynamics of a PEM electrolysis stack with good accuracy.

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Metadaten
Author: Ansgar Reimann, Paul Kohlenbach, Lars RöntzschORCiD
DOI:https://doi.org/10.3384/ecp20463
ISSN:1650-3686
Title of the source (English):Proceedings of the 15th International Modelica Conference 2023, Aachen, October 9-11
Publisher:Linköping University Electronic Press
Document Type:Conference publication not peer-reviewed
Language:English
Year of publication:2023
Number of pages:9
Faculty/Chair:Fakultät 3 Maschinenbau, Elektro- und Energiesysteme / FG Thermische Energietechnik
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