Bifurcation analysis of a two-phase PEMFC model

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Original languageEnglish
Article number021001
JournalJournal of Fuel Cell Science and Technology
Volume2008
Issue number5
Publication statusPublished - May 2008
Externally publishedYes

Abstract

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.

Keywords

    Flooding/drying out, Multiplicity, Nonlinear analysis, PEM fuel cell

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Sustainable Development Goals

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Bifurcation analysis of a two-phase PEMFC model. / Grötsch, Markus; Hanke-Rauschenbach, Richard; Mangold, Michael.
In: Journal of Fuel Cell Science and Technology, Vol. 2008, No. 5, 021001, 05.2008.

Research output: Contribution to journalArticleResearchpeer review

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AU - Hanke-Rauschenbach, Richard

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