Fuel cell collector plate and method of fabrication
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United States of America Patent
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Jan 30, 2001
Grant Date -
N/A
app pub date -
Nov 18, 1998
filing date -
Nov 18, 1998
priority date (Note) -
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Abstract
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.
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