Fluid cooled bipolar plate
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United States of America Patent
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Oct 28, 2003
Issued Date -
N/A
app pub date -
Sep 6, 2000
filing date -
Jan 24, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a separator for electrochemical cells, comprising a gas barrier having an electrically conducting pathway extending therethrough and a porous, electrically conducting member in electrical contact with each side of the electrically conducting pathway. In another aspect of the invention, a separator for electrochemical cells is provided comprising a porous, electrically conducting sheet and a gas impermeable material disposed within a portion of the sheet to form a gas barrier. In yet another aspect of the invention, a separator for electrochemical cells is provided comprising two porous, electrically conducting sheets and an electrically conducting gas barrier disposed in electrical contact between the sheets.
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