Paper Title:
A Mathematical Model of Ultra-Thin Catalyst Layer in PEFC
  Abstract

A mathematical model for an ultra-thin catalyst layer in PEFCs is introduced. It utilizes Nernst-Planck and Poisson equations. Calculated polarization curves are shown to compare favourably with published experimental data for ultra-thin catalyst layers. Aspects of current conversion, reactant, current distribution, and catalyst utilization are explored. The effect of catalyst layers thickness on the Pt utilization is discussed. This study gives us a better understanding of transport and reaction at the mesoscopic scale and it furnishes the directions for optimization of this type of catalyst layer.

  Info
Periodical
Materials Science Forum (Volumes 539-543)
Main Theme
Edited by
T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran
Pages
1397-1402
DOI
10.4028/www.scientific.net/MSF.539-543.1397
Citation
Q. P. Wang, M. Eikerling, D. T. Song, Z. S. Liu, "A Mathematical Model of Ultra-Thin Catalyst Layer in PEFC", Materials Science Forum, Vols. 539-543, pp. 1397-1402, 2007
Online since
March 2007
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$32.00
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