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Fuel Cells
book

Fuel Cells

by Shripad T. Revankar, Pradip Majumdar
May 2014
Beginner to intermediate content levelBeginner to intermediate
748 pages
23h 13m
English
CRC Press
Content preview from Fuel Cells
180 Fuel Cells
rates of the reduction and oxidation processes become slow. Electrode reac-
tions of this type are termed irreversible. Intermediate behavior is generally
referred to as quasi-reversible (curve b).
In Figure 5.15, the effect of the charge transfer coefcient on the current
density and overpotential relation is shown for different values of the charge
transfer coefcient α = 0.75 (curve a), α = 0.5 (curve b), α = 0.25 (curve c), n=1,
and j
0
= 10
–6
A/cm
2
. The charge transfer coefcient represents the fraction
of additional energy that goes toward the reaction at the electrode. It is also
considered as the symmetry coefcient of ...
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Publisher Resources

ISBN: 9781420089684