A major issue of polymer-electrolyte-membrane (PEM) fuel cell operation is the water management of the cells. This article tries to contribute to an improved understanding of flooding/drying out effects by performing a analysis for a rigorous two-phase PEM fuel cell model. The model is examined by means of a bifurcation analysis. This investigation is performed numerically with parameter continuation methods. The nonlinear behavior is qualified and possible instabilities are detected. A steady state multiplicity is found. The multiplicity is physically explained and the influence of selected fuel cell parameters is investigated. The multiplicity is finally verified in a dynamic simulation. The future work aims at a model reduction of the analyzed fuel cell model to gain a low order model suitable for model-based control strategies.
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e-mail: groetsch@mpi-magdeburg.mpg.de
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May 2008
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
Bifurcation Analysis of a Two-Phase PEMFC Model
Markus Grötsch,
e-mail: groetsch@mpi-magdeburg.mpg.de
Markus Grötsch
Max Planck Institute for Dynamics of Complex Technical Systems
, Sandtorstraße 1, 39106 Magdeburg, Germany
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Richard Hanke-Rauschenbach,
Richard Hanke-Rauschenbach
Max Planck Institute for Dynamics of Complex Technical Systems
, Sandtorstraße 1, 39106 Magdeburg, Germany
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Michael Mangold
Michael Mangold
Max Planck Institute for Dynamics of Complex Technical Systems
, Sandtorstraße 1, 39106 Magdeburg, Germany
Search for other works by this author on:
Markus Grötsch
Max Planck Institute for Dynamics of Complex Technical Systems
, Sandtorstraße 1, 39106 Magdeburg, Germanye-mail: groetsch@mpi-magdeburg.mpg.de
Richard Hanke-Rauschenbach
Max Planck Institute for Dynamics of Complex Technical Systems
, Sandtorstraße 1, 39106 Magdeburg, Germany
Michael Mangold
Max Planck Institute for Dynamics of Complex Technical Systems
, Sandtorstraße 1, 39106 Magdeburg, GermanyJ. Fuel Cell Sci. Technol. May 2008, 5(2): 021001 (9 pages)
Published Online: April 10, 2008
Article history
Received:
June 28, 2007
Revised:
January 11, 2008
Published:
April 10, 2008
Citation
Grötsch, M., Hanke-Rauschenbach, R., and Mangold, M. (April 10, 2008). "Bifurcation Analysis of a Two-Phase PEMFC Model." ASME. J. Fuel Cell Sci. Technol. May 2008; 5(2): 021001. https://doi.org/10.1115/1.2885392
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