Proton exchange membrane fuel cell support plate and an assembly including the same
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United States of America Patent
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Nov 23, 1993
Grant Date -
N/A
app pub date -
Dec 26, 1991
filing date -
Dec 26, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A support plate for a proton exchange membrane fuel cell includes a porous support body that has a central portion and a peripheral portion integral with and circumferentially completely surrounding the central portion, and a sealing body of elastomeric sealing material that completely fills the pores of the peripheral portion to make it impermeable to fluids. The support plate may be assembled with another one and with a proton exchange membrane interposed between the two support plates to form an assembly, and the sealing body then peripherally joins and seals the assembly and fills any gaps that may be present between the peripheral portions due to the absence of the membrane from such regions and thus to peripherally encapsulate the membrane.
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