Solid oxide electrolytic device

Details Solid oxide electrolytic device Solid oxide electrolytic device

2011-02-01

2011-02-01

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S479000, C429S491000, C429S496000

Reexamination Certificate

active

07879474

ABSTRACT:
An interconnect structure is disclosed for use in solid oxide electrolytic devices that use chrome-containing components, such as solid oxide fuel cells and solid oxide oxygen-generators. The invention provides a reliable and durable interconnect for both structural and electrical components of such devices. In general, the interconnect structure relies on a dual-layer, high-temperature seal which provides an effective diffusion barrier for both chrome and oxygen. As a result of the described interconnect, corrosion or loss in electrical conductivity in such solid oxide electrolytic devices is avoided. Also, a novel structure for such solid oxide electrolytic devices is disclosed, which provides an economical and high-integrity structure that utilizes the disclosed interconnect structure. A result of the present invention is that thin film solid oxide fuel cells and solid oxide oxygen generators may be fabricated using only metal alloys as bulk components.

REFERENCES:
patent: 5171645 (1992-12-01), Khandkar
patent: 6794075 (2004-09-01), Steele et al.
patent: 2003/0194592 (2003-10-01), Hilliard
patent: 2005/0074650 (2005-04-01), Sridhar et al.

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