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Catalytic layer for oxygen activation on ionic solid electrolytes at high temperature

Authors: Serra Alfaro, José Manuel; Vert Belenguer, Vicente Bernard; Escolástico Rozalén, Sonia;

Catalytic layer for oxygen activation on ionic solid electrolytes at high temperature

Abstract

La presente invención relaciona a una capa porosa catalítica para la activación del oxígeno que puede ser utilizada en las pilas de combustible sólidas del óxido (SOFCs) y en las membranas cerámicas densas para la separación del oxígeno en la alta temperatura. La capa porosa dicha es principalmente formada por un material conductor mezclado del electrón y del ion oxígeno que posee una estructura seleccionada entre de las estructuras del simple perovskite o el tipo doble o las estructuras del perovskite relacionado al perovskite, es decir: estructuras del tipo de Ruddlesden-Popper, de Dion-Jacobson y de Aurivillius. La composición de tal fase cristalina tiene la fórmula general de la continuación: [(''' 1-a-b-c del cA del '' de BaaA'bA) 1-xBx] N [Fe1-y-zCyDz] M OW.

The present invention relates to a catalytic porous layer for oxygen activation which may be utilised in solid oxide fuel cells (SOFCs) and in dense ceramic membranes for oxygen separation at high temperature. Said porous layer is principally formed by a mixed electron and oxygen ion conductive material possessing a structure selected from among structures of the simple perovskite or double perovskite type or structures related to perovskite, that is to say: structures of the Ruddlesden-Popper, Dion-Jacobson and Aurivillius type. The composition of such crystalline phase has the following general formula: [(BaaA'bA''cA'''1-a-b-c)1-xBx]N [Fe1-y-zCyDz]M OW.

A1 Solicitud de patentes con informe sobre el estado de la técnica

Consejo Superior de Investigaciones Científicas (España)

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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