Composite oxygen ion transport element

Details Composite oxygen ion transport element Composite oxygen ion transport element

2007-06-12

2007-06-12

Bell, Bruce F. (Department: 1746)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C429S006000, C429S006000, C502S004000, C095S054000, C095S045000, C096S004000, C096S006000, C096S010000, C096S011000, C428S305500, C428S307300

Reexamination Certificate

active

10864577

ABSTRACT:
A composite oxygen ion transport element that has a layered structure formed by a dense layer to transport oxygen ions and electrons and a porous support layer to provide mechanical support. The dense layer can be formed of a mixture of a mixed conductor, an ionic conductor, and a metal. The porous support layer can be fabricated from an oxide dispersion strengthened metal, a metal-reinforced intermetallic alloy, a boron-doped Mo5Si3-based intermetallic alloy or combinations thereof. The support layer can be provided with a network of non-interconnected pores and each of said pores communicates between opposite surfaces of said support layer. Such a support layer can be advantageously employed to reduce diffusion resistance in any type of element, including those using a different material makeup than that outlined above.

REFERENCES:
patent: 5240480 (1993-08-01), Thorogood et al.
patent: 5911860 (1999-06-01), Chen et al.
patent: 5938822 (1999-08-01), Chen et al.
patent: 6200541 (2001-03-01), Kleefisch et al.
patent: 6514314 (2003-02-01), Sirman et al.

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