Catalyst for solid polymer fuel cell and method for producing same
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United States of America Patent
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May 4, 2021
Grant Date -
Jul 18, 2019
app pub date -
Sep 7, 2017
filing date -
Oct 10, 2016
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Abstract
The present invention relates to a catalyst for a solid polymer fuel cell, including platinum, cobalt, and zirconium supported as a catalytic metal on a carbon powder carrier, in which the supporting ratio of platinum, cobalt, and zirconium on the carbon powder carrier is Pt:Co:Zr=3:0.5 to 1.5:0.1 to 3.0 by molar ratio. In the present invention, it is preferable that the peak position of Pt3Co seen in the X-ray diffraction pattern of catalyst particles is 2θ=41.10° or more and 42.00° or less, and moderate alloying has occurred in the catalytic metal.
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