This study is fo
cused on the ele
ctro
chemi
cal performan
ce of perovskite-type materials based on dopedLaGaO
3 (LGO). La
0.9Sr
0.1Ga
0.8Mg
0.2O
3-chars/delta.gif" BORDER=0 > (LSGM) and La
0.9Sr
0.1Ga
0.8Mg
0.115Co
0.085O
3-chars/delta.gif" BORDER=0 > (LSGMCo) wereused as ele
ctrolytes and La
0.8Sr
0.2MnO
3-chars/delta.gif" BORDER=0 > (LSM) and La
0.75Sr
0.25Cr
0.5Mn
0.5O
3-chars/delta.gif" BORDER=0 > (LSCM) as
cathode andanode material, respe
ctively. Mu
ch better performan
ce was obtained at an LSGM ele
ctrolyte than atLSGMCo, probably due to interfa
cial rea
ctions between LSGMCo and LSM. An LSGM ele
ctrolyte wasprepared by tape
casting with a thi
ckness of about 120
m and good values of power output in a
conventional ele
ctrolyte-supported
cell were a
chieved, 425 and 570 mW/
cm
2 using wet 5% H
2/Ar andpure hydrogen as fuel, respe
ctively, and pure O
2 as oxidant at 1073 K.