Component-based modeling of PEM fuel cells with bond graphs

Vasilyev, A., Andrews, John, Jackson, L.M., Dunnett, S.J. and Davies, B. (2017) Component-based modeling of PEM fuel cells with bond graphs. International Journal of Hydrogen Energy, 42 (49). pp. 29406-29421. ISSN 0360-3199

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A polymer electrolyte membrane (PEM) fuel cell is a power generation device that transforms chemical energy contained within hydrogen and oxygen gases into useful electricity. The performance of a PEMFC unit is governed by three interdependent physical phenomena: heat, mass, and charge transfer. When modelling such a multi-physical system it is advantageous to use an approach capable of representing all the processes in a unified fashion.

This paper presents a component-based model of PEMFCs developed using the bond graph (BG) technique in Modelica language. The basics of the BG method are outlined and a number of relevant publications are reviewed. Model assumptions and necessary equations for each fuel cell component are outlined. The overall model is constructed from a set of bond-graphic blocks within thermal, pneumatic and electrical domains.

The model output was compared with the experimental data gathered from a two-cell stack and demonstrated a good accuracy in predicting system behaviour. In the future the designed model will be used for fuel cell reliability studies.

Item Type: Article
Keywords: PEM fuel cells; Bond graph; Multi-physics; Modeling; Modelica
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Civil Engineering
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Depositing User: Eprints, Support
Date Deposited: 06 Nov 2017 10:35
Last Modified: 04 May 2020 19:21

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