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Brazed bipolar plates for PEM fuel cells

United States Patent

*** EXPIRED ***
July 7, 1998
View the Complete Patent at the US Patent & Trademark Office
A liquid-cooled, bipolar plate separating adjacent cells of a PEM fuel cell comprising corrosion-resistant metal sheets brazed together so as to provide a passage between the sheets through which a dielectric coolant flows. The brazement comprises a metal which is substantially insoluble in the coolant.
Neutzler; Jay Kevin (Rochester, NY)
General Motors Corporation (Detroit, MI)
08/ 773,239
December 23, 1996
The Government of the United States of America has rights in this invention pursuant to Contract Number DE-AC02-90CH10435 awarded by the United States Department of Energy.