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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
165Electrochemical Kinetics
temperature. From statistical mechanics, the frequency factor f is given as
k
B
T/h, where k
B
is Boltzmann constant and h is Planck’s constant.
The reaction rate v is the product of the reaction rate constant and the reac-
tant concentration. For reduction process, the reaction rate v
f
is written as
vC kC
kT
h
e
G
RT
fOx,surf fOx,surf
B
f
==
,
(5.8)
where C
Ox,surf
is the concentration of oxidant species. Here, the reaction rate
for reduction process is
k
kT
h
e
G
RT
f
B
f
=
.
(5.9)
Similarly, the reaction rate for oxidation reaction is given as
vC kC
kT
h
e
G
RT
bRed,surfb Red,surf
B
b
==
,
(5.10)
where C
Ox,surf
is the concentration of reductant species. ...
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Publisher Resources

ISBN: 9781420089684