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Low sintering lanthanum ferrite materials for use as solid oxide fuel cell cathodes and oxygen reduction electrodes and other electrochemical devices

United States Patent Application

20040214070
A1
View the Complete Application at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
The present invention provides novel compositions that find advantageous use in making electrodes for electrochemical cells. Also provided are electrochemical devices that include active oxygen reduction electrodes, such as solid oxide fuel cells, sensors, pumps and the like. The compositions comprise a modified lanthanum ferrite perovskite material. The invention also provides novel methods for making and using the electrode compositions and solid oxide fuel cells and solid oxide fuel cell assemblies having cathodes comprising the compositions.
Simner, Steven P. (Richland, WA), Stevenson, Jeffry W. (Richland, WA)
10/ 426,063
April 28, 2003
[0001] This invention was made with Government support under Contract Number DE-AC0676RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.