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Title

Numerical model for polymer electrolyte membrane fuel cells with experimental application and validation

AuthorsAlonso Mora, Javier; Husar, Attila CSIC ORCID ; Serra, Maria CSIC ORCID ; Riera, Jordi CSIC
KeywordsNumerical modeling
PEM fuel cell
Temperature distribution
Pressure drop
Parameter identification
Experimental validation
Issue Date2009
PublisherJohn Wiley & Sons
CitationAsia-Pacific Journal of Chemical Engineering 4(1): 55-67 (2009)
AbstractThe aim of this paper is to present a simple 3D computational model of a polymer electrolyte membrane fuel cell (PEMFC) that simulates over time the heat distribution, energy, and mass balance of the reactant gas flows in the fuel cell including pressure drop, humidity, and liquid water. Although this theoretical model can be adapted to any type of PEMFC, for verification of the model and to present different analysis it has been adapted to a single cell test fixture. The model parameters were adjusted through a series of experimental tests and the model was experimentally validated for a well-defined range of operating conditions: H2/air O2 as reactants, flow rates of 0.5-1.5 SLPM, dew points and cell temperatures of 30-80 °C, currents 0-5 A and with/without water condensation. The model is especially suited for the analysis of liquid water condensation in the reactant channels. A key finding is that the critical current at which liquid water is formed is determined at different flows, temperatures, and humidity.
Publisher version (URL)http://dx.doi.org/10.1002/apj.195
URIhttp://hdl.handle.net/10261/30596
DOI10.1002/apj.195
ISSN1932-2135
Appears in Collections:(IRII) Artículos

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