Page 125 - High Temperature Solid Oxide Fuel Cells Fundamentals, Design and Applications

102 High Temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications
p-

0- 1273K
-' 1073K
-
A 1273K
- -
-- -2 -
&@'
'5 ,\"I." ,
ul
\
ha- @+. &..A ..2
., .. .
v *', */ $..' .i
3
- -4 - %>. J?, '.>, .* . 4 i
..*
'.%
.
,'
: :
a a;~a,aaa ''? ,.*a. .:.' n' B' .i
-5 - %\, , ' , : .I
. .' ..
. .
,.
.. ..
:
I . I .I I I

I I I 1 8 1 1
20 - P-type
conduction

-.. domain
", -20 -
0"
- 8 ... t,,=O.SS

40 - n-type
conduction

I , I . , , , I ,
0.2 0.4 0.6 0.8 1.0
lOOO/T /K
Figure4.21 Evaluated electrolyticdomain (t, > 0.99) ofLSGMwithpolarisation method.