Dry floc method for making an electrochemical cell electrode
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United States of America Patent
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Sep 1, 1981
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N/A
app pub date -
Jun 28, 1978
filing date -
Jun 28, 1978
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Expired
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Abstract
A method for making an electrochemical cell electrode involves depositing a layer of dry carbon/hydrophobic polymer floc 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 floc 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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