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Fuel cell collector plate and method of fabrication

United States Patent

January 30, 2001
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
An improved molding composition is provided for compression molding or injection molding a current collector plate for a polymer electrolyte membrane fuel cell. The molding composition is comprised of a polymer resin combined with a low surface area, highly-conductive carbon and/or graphite powder filler. The low viscosity of the thermoplastic resin combined with the reduced filler particle surface area provide a moldable composition which can be fabricated into a current collector plate having improved current collecting capacity vis-a-vis comparable fluoropolymer molding compositions.
Braun; James C. (Juno Beach, FL), Zabriskie, Jr.; John E. (Port St. Lucie, FL), Neutzler; Jay K. (Palm Beach Gardens, FL), Fuchs; Michel (Boynton Beach, FL), Gustafson; Robert C. (Palm Beach Gardens, FL)
Energy Partners, L.C. (West Palm Beach, FL)
09/ 195,307
November 18, 1998
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The United States Government has rights in this invention pursuant to Contract No. DE-FC02-97EE50476 between the United States Department of Energy and Energy Partners, Inc.