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Bifurcation Analysis of a two-phase PEMFC model

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Grötsch,  M.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Hanke-Rauschenbach,  Richard
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

/persons/resource/persons86397

Mangold,  M.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Citation

Grötsch, M., Hanke-Rauschenbach, R., & Mangold, M. (2008). Bifurcation Analysis of a two-phase PEMFC model. Journal of Fuel Cell Science and Technology, 5(2), 021001. doi:10.1115/1.2885392.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-95E1-6
Abstract
Background: A major issue of PEM fuel cell operation is the water management of the cells. This article tries to contribute to an improved understanding of ooding/drying out e ects by performing a analysis for a rigorous two-phase PEM fuel cell model. Method of Approach: The model is examined by means of a bifurcation analysis. This investigation is performed numerically with parameter continuation methods. The nonlinear behavior is quali ed and possible instabilities are detected. Results: A steady state multiplicity is found. The multiplicity is physically explained and the in uence of selected fuel cell parameters is investigated. The multiplicity is nally veri ed in a dynamic simulation. Conclusion: 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. ©2008 American Society of Mechanical Engineers