Cobalt doped lanthanum chromite material suitable for high tempe

Details Cobalt doped lanthanum chromite material suitable for high tempe Cobalt doped lanthanum chromite material suitable for high tempe

1985-01-18

1986-12-23

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 31, 429191, 429193, 252519, 252521, 501152, H01M 812

Patent

active

046312382

ABSTRACT:
A high temperature, solid electrolyte electrochemical cell, subject to thermal cycling temperatures of between about 25.degree. C. and about 1200.degree. C., capable of electronic interconnection to at least one other electrochemical cell and capable of operating in an environment containing oxygen and a fuel, is made; where the cell has a first and second electrode with solid electrolyte between them, where an improved interconnect material is applied along a portion of a supporting electrode; where the interconnect is made of a chemically modified lanthanum chromite, containing cobalt as the important additive, which interconnect allows for adjustment of the thermal expansion of the interconnect material to more nearly match that of other cell components, such as zirconia electrolyte, and is stable in oxygen containing atmospheres such as air and in fuel environments.

REFERENCES:
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patent: 4035266 (1977-07-01), Alexandrov et al.
patent: 4174260 (1979-11-01), Schmidberger
patent: 4395468 (1983-07-01), Isenberg
patent: 4490444 (1984-12-01), Isenberg et al.
patent: 4547437 (1985-10-01), Isenberg et al.

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