Dry method for making an electrochemical cell electrode
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United States of America Patent
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Feb 2, 1982
Issued Date -
N/A
app pub date -
Nov 6, 1980
filing date -
Jun 28, 1978
priority date (Note) -
Expired
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Abstract
A method for making an electrochemical cell electrode involves depositing a layer of dry carbon/hydrophobic polymer powder on the surface of a substrate by dispersing the powder as a cloud in a chamber over the substrate and pulling the powder onto the substrate by drawing a vacuum under the substrate. The electrode is subsequently compacted and sintered. Typically the carbon component of the powder is catalyzed, such as with platinum. Thus, the method is for applying a catalyst layer on an electrode substrate. The method is particularly adapted to the high speed manufacture of electrodes.
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