A Comprehensive Model for Evaluating the Performance of Proton Exchange Membrane Fuel Cells

A Comprehensive Model for Evaluating the Performance of Proton Exchange Membrane Fuel Cells

F. Khemili M. Najjari S. Ben Nasrallah 

Laboratoire d’Etudes des Systèmes Thermiques et Energétiques, Ecole Nationale d’Ingénieurs de Monastir, Avenue Ibn El Jazzar, 5019 Monastir, Tunisie

Faculté des Sciences de Gabès, Cité Riadh, Zirig 6072 Gabès, Tunisia

Page: 
1-10
|
DOI: 
https://doi.org/10.18280/ijht.300101
Received: 
N/A
|
Accepted: 
N/A
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Published: 
30 June 2012
| Citation

OPEN ACCESS

Abstract: 

Modeling plays an important role in the development of Proton Exchange Membrane Fuel Cell (PEMFC), because it allows a better comprehension of the parameters affecting the fuel performances. PEMFC performances are strongly related to the mechanisms of mass transfer in the stack. The objective of this study is to develop a comprehensive model describing the transport phenomena in the cell and these influences on the fuel performances. First, we present the electrochemical model that takes into account the thermodynamic open circuit voltage and different voltage losses. Second, we present gas diffusion in porous electrodes, water diffusion and electro-osmotic transport through the polymeric membrane. The solutions of the mass transfer equations are used to calculate the fuel cells performances at different operating conditions.

1. Introduction
2. Mathematical Model
3. Resultas and Discussions
4. Conclusions
  References

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