Oxide ion conductive ceramic membrane stacked...

Chemistry: electrical and wave energy – Apparatus – Electrolytic

Reexamination Certificate

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C429S006000, C429S006000, C429S047000, C429S047000, C429S047000

Reexamination Certificate

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10470172

ABSTRACT:
The invention concerns an oxide ion conductive ceramic membrane, characterized in that it comprises a non-null finite volume with non-null total thickness E, comprising a dense layer (CD) of a solid electrolyte, a so-called bonding layer (CA), of two porous electrodes (EP) and (EP′), two porous current collectors (CC) and (CC′), and at least at least a coating porous layer (ER), characterized in that the thickness E of the volume of said membrane, is equal to the sum of the thickness of each of said elements. The membrane is used for separating oxygen from air or from a gas mixture containing same.

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patent: 6428920 (2002-08-01), Badding et al.
patent: 6475657 (2002-11-01), Del Gallo et al.
patent: 6492051 (2002-12-01), Gopalan et al.
patent: 0 424 691 (1991-05-01), None
patent: WO 96 28856 (1996-09-01), None
patent: WO 98 48923 (1998-11-01), None
International Search Report for PCT/FR01/04036.
Boivin, J.C. and G. Mairesse. “Recent Material Developments in Fast Oxide Ion Conductors.” Chem. Mat., 1998, pp. 2870-2888.

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