Fuel cell electrode catalyst having graduated layers
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United States of America Patent
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Nov 1, 2016
Grant Date -
Apr 16, 2015
app pub date -
Oct 14, 2013
filing date -
Oct 14, 2013
priority date (Note) -
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Abstract
Embodiments of electrode assemblies and fuel cells having increased catalyst durability are provided. One embodiment of an electrode assembly for a fuel cell comprises a first catalyst layer adjacent an electrolyte membrane comprising first active catalyst particles supported on first support particles having a first support size and a second catalyst layer adjacent the first catalyst layer opposite the electrolyte membrane comprising second active catalyst particles supported on second support particles having a second support size. The first support particles are a non-carbon support.
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