Fuel Cell Separator Plate Assembly
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United States of America Patent
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Issued Date -
Mar 6, 2008
app pub date -
Dec 29, 2004
filing date -
Dec 29, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fuel cell separator plate assembly (20) includes a separator plate layer (22) and flow field layers (24, 26). In one disclosed example, the separator plate layer (22) comprises graphite and a hydrophobic resin. The hydrophobic resin of the separator plate layer (22) serves to secure the separator plate layer to flow field layers on opposite sides of the separator plate layer. In one example, at least one of the flow field layers (24, 26) comprises graphite and a hydrophobic resin such that the flow field layer is hydrophobic and nonporous. In another example, two graphite and hydrophobic resin flow field layers are used on opposite sides of a separator plate layer. One disclosed example includes all three layers comprising graphite and a hydrophobic resin.
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