Electroosmotic Flow in PEM Fuel Cells with Variable Zeta Potential
Publish place: 5th International Congress on Chemical Engineering
Publish Year: 1386
Type: Conference paper
Language: English
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Document National Code:
ICHEC05_390
Index date: 27 January 2008
Electroosmotic Flow in PEM Fuel Cells with Variable Zeta Potential abstract
Water management is critically important for polymer electrolyte membrane (PEM) fuel cells, and is complicated by electroosmotic flow of water from anode to cathode through the polymer electrolyte membrane. In this work, the characteristics of electroosmotic flow in a Nafion® membrane with non-uniform zeta potential were investigated. The Poisson-Boltzmann and Navier-Stokes equations were used to model electrical double layer and the flow fields, respectively. The numerical results show the distorted electroosmotic velocity profiles resulting from the axial variation of the zeta potential.
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Electroosmotic Flow in PEM Fuel Cells with Variable Zeta Potential authors
Jamekhorshid
Dept. of Chem. Eng., Shiraz University, Shiraz, Iran
Jafarpour
Dept. of Chem. Eng., Shiraz University, Shiraz, Iran
Karimi
Dept. of Chem. Eng., Shiraz University, Shiraz, Iran
Li
Dept. of Chem. Eng., Shiraz University, Shiraz, Iran, Dept. of Mech. Eng., University of Waterloo, Waterloo, Ontario, Canada
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