Multiple layer electrode for improved performance
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Jun 6, 2002
app pub date -
Dec 1, 2000
filing date -
Dec 1, 2000
priority date (Note) -
Abandoned
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Abstract
In an electrochemical device, such as a fuel cell or electrocatalytic oxidation cell, a catalyst electrode is comprised of a catalytic structure having multiple layers of varied densities to enhance gas diffusion throughout the electrode. A first catalyst layer has a first density, and a second catalyst has a second density that is about 33 to 50% of the first density and any additional layers having a density which are less than the previous layer. A gas diffusion layer is adjacent the second catalyst layer.
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