Reactivity of lanthanide ferrite SOFC cathodes with YSZ electrolyte

The reactivity of yttria-stabilized zirconia (YSZ) with compounds of the form Ln 0.8Sr 0.2FeO 3 (Ln=Sm, Pr, Nd and a mixed lanthanide precursor) and La 0.8M 0.2FeO 3 (M=Ba, Ca) was investigated, and compared to the comprehensively studied La 0.8Sr 0.2FeO 3 (LSF-20) composition. With the exception of...

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Bibliographic Details
Published in:Journal of power sources 2004-04, Vol.129 (2), p.188-192
Main Authors: Anderson, Michael D, Stevenson, Jeffry W, Simner, Steven P
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Fuel cells
Lanthanide ferrite
Reactivity
SOFC cathodes
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Summary:The reactivity of yttria-stabilized zirconia (YSZ) with compounds of the form Ln 0.8Sr 0.2FeO 3 (Ln=Sm, Pr, Nd and a mixed lanthanide precursor) and La 0.8M 0.2FeO 3 (M=Ba, Ca) was investigated, and compared to the comprehensively studied La 0.8Sr 0.2FeO 3 (LSF-20) composition. With the exception of Ca, all variants showed either increased reactivity with YSZ (compared to the base LSF-20), or a lack of phase purity after calcination at 1200–1300 °C.
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2003.11.039