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Advanced materials and design for low temperature SOFCs

United States Patent

May 17, 2016
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
Embodiments of the invention are directed to SOFC with a multilayer structure comprising a porous ceramic cathode, optionally a cathodic triple phase boundary layer, a bilayer electrolyte comprising a cerium oxide comprising layer and a bismuth oxide comprising layer, an anion functional layer, and a porous ceramic anode with electrical interconnects, wherein the SOFC displays a very high power density at temperatures below C. with hydrogen or hydrocarbon fuels. The low temperature conversion of chemical energy to electrical energy allows the fabrication of the fuel cells using stainless steel or other metal alloys rather than ceramic conductive oxides as the interconnects.
Wachsman; Eric D. (Fulton, MD), Yoon; Heesung (Silver Spring, MD), Lee; Kang Taek (Greenbelt, MD), Camaratta; Matthew (Gainesville, FL), Ahn; Jin Soo (Seoul, KR)
13/ 124,164
October 14, 2009
The subject invention was made with government support under the Department of Energy, Contract No. DE-AC05-76RL01830. The government has certain rights to this invention.