One piece fuel cell separator plate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 21, 2000
Grant Date -
N/A
app pub date -
Mar 3, 1998
filing date -
Mar 3, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A separator plate for an internally manifolded fuel cell stack comprising a centrally disposed active region, a peripheral seal region, and forming at least one pair of perforations substantially geometrically disposed on opposite sides of the centrally disposed active region. The peripheral seal region comprises a peripheral seal structure on each face of the separator plate completely around the periphery of each said face. A manifold seal region in each face completely encloses each perforations, the manifold seal region comprising conduits on one of said faces for communication of a gas between the centrally disposed active region and at least the one pair of perforations. The separator plate is comprised of one sheet of a material suitable for use as a separator plate, preferably a pressed sheet metal.
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