Chemistry: electrical and wave energy – Apparatus – Electrolytic
Reexamination Certificate
2007-11-27
2007-11-27
Bell, Bruce F. (Department: 1745)
Chemistry: electrical and wave energy
Apparatus
Electrolytic
C429S006000, C429S006000, C429S047000, C429S047000, C429S047000
Reexamination Certificate
active
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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Boivin, J.C. and G. Mairesse. “Recent Material Developments in Fast Oxide Ion Conductors.” Chem. Mat., 1998, pp. 2870-2888.
Bach Gisèle
Chaput Christophe
Del Gallo Pascal
Gouriou Guylaine
Terracol Thierry
Bell Bruce F.
Cronin Christopher J.
L'Air Liquide, Societe Anonyme a Directoire et Conseil de Survei
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