Physicochemical properties of non-stoichiometric oxidesMixed conductors: Part II

Physicochemical properties of non-stoichiometric oxidesMixed conductors: Part II

One of the most important challenges with solid oxide fuel cells (SOFC) is to find cathode materials with high enough catalytic activity for the dissociation of the molecular oxygen. Oxide mixed conductors with the perovskite structure (ABO3) and high Co content in the B site have been extensively s...

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Veröffentlicht in:Journal of thermal analysis and calorimetry 2011-05, Vol.104 (2), p.781-788
Hauptverfasser: Caneiro, A, Mogni, L, Grunbaum, N, Prado, F
Format: Artikel
Sprache:eng
Schlagworte:
Calorimetry
Cathodes
Chemical potential
Conductors
Partial pressure
Phases
Solid oxide fuel cells
Solid solutions
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Zusammenfassung:One of the most important challenges with solid oxide fuel cells (SOFC) is to find cathode materials with high enough catalytic activity for the dissociation of the molecular oxygen. Oxide mixed conductors with the perovskite structure (ABO3) and high Co content in the B site have been extensively studied to be used as cathode in SOFC. This is the second part of a review of high temperature properties of two mixed conductors systems. The first part was focused on the n = 2 Sr3FeMO6+ Delta *d (M = Fe, Co, Ni) Rudlesdden Popper phases, while in this paper we discuss the thermodynamic and transport properties of the perovskite solid solution Sr1-x La x Fe0.2Co0.8O3- Delta *d (0
ISSN:1388-6150
DOI:10.1007/s10973-010-1008-1