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LOW-TEMPERATURE SINTERING OF LANTHANUM STRONTIUM MANGANITE-BASED CONTACT PASTES FOR SOFCS

United States Patent Application

20090194223
A1
View the Complete Application at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A method for forming electrical connections between parts of a fuel cell that includes subjecting a contact paste positioned between the parts to alternating flows of gasses having varying high and low partial pressures of oxygen. This method demonstrates the ability to form conductive interconnections that have sufficient mechanical stability because these pastes can be cured at a temperature less than the temperatures of the surrounding materials thus allowing desired portions to be cured while allowing other portions such as the glass or ceramic portions to maintain their desired mechanical and electrical properties.
McCarthy, Benjamin P. (Overland Park, KS), Pederson, Larry R. (Kennewick, WA), Chou, Yeong-Shyung (Richland, WA), Zhou, Xiao-Dong (Richland, WA), Surdoval, Wayne A. (Monroeville, PA), Wilson, Lane C. (Germantown, MD)
Battelle Memorial Institute (Richland WA)
12/ 366,464
February 5, 2009
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY-SPONSORED RESEARCH AND DEVELOPMENT [0002] This invention was made with Government support under Contract DE-AC0576RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.