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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
270 Fuel Cells
limiting current density is reached when the gas concentration at the electrode–
electrolyte interface becomes zero or C
i,el
= 0, and this is expressed as
jnF
C
h
a
D
i
ij
=
+
e
ch
m
el
eff
,
.
1
(6.130)
In situations where net mass transfer resistance is controlled by the diffu-
sion resistance in the electrode–gas diffusion layer only, the limiting current
density can be approximated as
jnFD
C
a
ij
i
le
eff
ch
el
=
,
. (6.131a)
In situations where net mass transfer resistance is controlled by the mass
convection resistance in the electrode–gas diffusion layer only, the limiting
current density can be approximated as
i
1
= n
e
Fh
m
C
i,ch
. (6.131b ...
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Publisher Resources

ISBN: 9781420089684