Densified edge seals for fuel cell components
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United States of America Patent
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-
Dec 21, 1982
Grant Date -
N/A
app pub date -
Jul 27, 1981
filing date -
Jul 27, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A porous fuel cell component, such as an electrode substrate, has a densified edge which forms an improved gas seal during operation when soaked with electrolyte. The edges are made from the same composition as the rest of the component and are made by compressing an increased thickness of this material along the edges during the fabrication process.
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