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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
297Charge and Water Transport in Fuel Cells
a large amount of hydrophilic regions through which proton can migrate.
Since proton conductivity depends on water content, it is essential that the
membrane is sufciently and uniformly hydrated from the anode side to the
cathode side to maintain effective transport of the proton.
The proton conductivity is then obtained from Equation 7.42 with |z
i
| = 1
for hydrogen ion (H
+
) as
σ
HH
H
++
+
=
F
RT
CD
2
. (7.46)
A more detailed description of the construction and material composition
of polymer electrolyte membrane will be given in Chapter 9.
7.3.1.3 Ionic Conductivity in Ceramic Electrolyte Membrane
While a detai ...
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Publisher Resources

ISBN: 9781420089684