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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
467Simulation Model for Analysis and Design of Fuel Cells
x
H,a
2
= hydrogen concentration at the anode electrode surface adjacent to
the gas channel at Z = Z
a
h
m,a
= convective mass transfer coefcient in the anode gas channel
11.2.2 Anode Electrode
The mass ux through the anode electrode is given based on Fick’s law of
diffusion as
JD
xx
L
ijHa
eff
H,
aH
,ae
a
22
2
=
()
ρ
, (11.27)
where
D
ij
eff
= effective diffusion coefcient of hydrogen in porous anode electrode
L
a
= thickness of anode electrode layer
ρ
a
a
a
=
P
RT
= density of hydrogen gas stream
Hydrogen gas consumption at the anode electrode–electrolyte
J
j
F
H
2
2
= . (11.28)
Combining Equations 11.26 through ...
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Publisher Resources

ISBN: 9781420089684