Cobalt doped lanthanum chromite material suitable for high...

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

H - Electricity

01

M

319/1, 31/122

H01M 8/12 (2006.01) C25B 9/04 (2006.01) H01M 8/02 (2006.01)

Patent

CA 1249923

52,331 ABSTRACT OF THE DISCLOSURE A high temperature, solid electrolyte electro- chemical cell, subject to thermal cycling temperatures of between about 25°C and about 1200°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 inter- connect 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.

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