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Supporting electrodes for solid oxide fuel cells and other electrochemical devices

United States Patent

April 1, 2008
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
Method to Reduce Camber in Anode-Supported SOFCs
An electrode supported electrolyte membrane includes an electrode layer 630 facing an electrolyte layer 620. The opposing side of the electrode layer 630 includes a backing layer 640 of a material with a thermal expansion coefficient approximately equal to the thermal expansion coefficient of the electrolyte layer 620. The backing layer 640 is in a two dimensional pattern that covers only a portion of the electrolyte layer 630. An electrochemical cell such as a SOFC is formed by providing a cathode layer 610 on an opposing side of the electrolyte layer 620.
Sprenkle; Vincent L. (Richland, WA), Canfield; Nathan L. (Kennewick, WA), Meinhardt; Kerry (Kennewick, WA), Stevenson; Jeffry W. (Richland, WA)
Battelle Memorial Institute (Richland, WA)
10/ 425,857
April 28, 2003
GOVERNMENT RIGHTS This invention was made with Government support under Contract Number DE-AC0676RL01830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.