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handle: 10261/41445
[ES] A partir de compactos cerámicos (1) de gran conducción iónica a altas temperaturas, ya sea circona estabilizada con itria (YSZ), circona estabilizada con escandía (SSZ), ceria dopada con gadolinio (GDC) o cualquier otro, se consigue obtener mediante mecanizado láser membranas electrolíticas delgadas y auto soportadas, cuyos extremos se encuentran soportados por un material de la misma composición y en consecuencia del mismo coeficiente de dilatación térmica, dotando a dichas membranas electrolíticas de una estabilidad térmica absoluta y que presentan una resistencia estructural suficiente como para poder construir sobre ellas pilas de combustible de óxido sólido, celdas electrolizadoras o sensores de oxígeno.
[EN] According to the invention, compact ceramics (1) with good ionic conduction at high temperatures, such as yttriastablised zirconia (YSZ), scandia-stabilised zirconia (SSZ), gadolinium-doped ceria (GDC) or any other, are used to obtain selfsupporting thin electrolyte membranes by means of laser machining, the ends of which membranes are supported by a material having the same composition and, consequently, the same thennal expansion coefficient, thereby providing said electrolyte membranes with an absolute thennal stability and sufficient structural strength so that solid oxide fuel cells, electrolyser cells or oxygen sensors can be constructed thereon.
Consejo Superior de Investigaciones Científicas (España), Universidad de Zaragoza
A1 Solicitud de patente con informe sobre el estado de la técnica
Peer reviewed
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