Page 302 - High Temperature Solid Oxide Fuel Cells Fundamentals, Design and Applications

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2.
Table 10.3 Resistances and apparent activation energy EA for selected single electrodes, that is Ni-YSZ cermet anodes, LSM-YSZ composite 3
cathodes, and for selected electrolytes from the literature I461 -g Y
Elcctrode type RAnodr RA.Anodr Rcathodr Cathode RElvt BA.BZgt 2
(n cm2) (eV) (Q cm2) (ev) (a cmL) (eV) ?
2
Riso anode-supportedcell 0.06 (850'C) [521 0.8-0.9 [53] 0.08 (lOOWC) [541 1.4 [54] 0.05 (85O'C)s 0.8" x
2
technology 3
m
Riseelectrolyte-supported 0.11 (850°C) [52] 0.8-0.9 [53] 0.12 (lOOWC) [54] 1.8 [55] 0.33 (8SO°C)" 0.8" $
cell technology
NorlhwesternUniversity ? ? 1.25 (700°C)[56J 1.5-1.6[56] 0.24(640°C)[481 0.93 (>640"C)148] Q
B
Measured on symmetric Ni-YSZ/YSZ/Ni-YSZ cells, 650-800°C
a
a