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Fuel cell system including a unit for electrical isolation of a fuel cell stack from a manifold assembly and method therefor

United States Patent

October 2, 2007
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A fuel cell system with improved electrical isolation having a fuel cell stack with a positive potential end and a negative potential, a manifold for use in coupling gases to and from a face of the fuel cell stack, an electrical isolating assembly for electrically isolating the manifold from the stack, and a unit for adjusting an electrical potential of the manifold such as to impede the flow of electrolyte from the stack across the isolating assembly.
Kelley; Dana A. (New Milford, CT), Farooque; Mohammad (Danbury, CT), Davis; Keith (Southbury, CT)
FuelCell Energy, Inc. (Danbury, CT)
11/ 020,593
December 23, 2004
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT. This invention was made with Government support under contract DE-FC21-95MC31184 awarded by the Department of Energy. The Government has certain rights in the invention.