Using sacrificial material to mitigate catalyst support corrosion in fuel cell electrode
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United States of America Patent
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Mar 30, 2010
Grant Date -
Jan 24, 2008
app pub date -
Jul 24, 2006
filing date -
Jul 24, 2006
priority date (Note) -
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Abstract
A fuel cell includes an anode layer, a polymeric ion conductive membrane disposed over the anode layer, a cathode layer disposed over the polymeric ion conductive membrane, and an effective amount of a reactive material that corrodes at a higher rate than support carbon in the cathode layer, anode layer, or both. The reactive material is either proximate to or distributed within the cathode catalyst layer. In a variation, reactive material is also included proximate to the anode layer.
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