Catalyst
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United States of America Patent
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Aug 17, 1999
Grant Date -
N/A
app pub date -
Oct 23, 1997
filing date -
Oct 25, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A novel catalyst comprising a Pt--M alloy wherein M is one or more metals selected from the transition metal elements or from Groups IIIA or IVA of the Periodic Table in 'Handbook of Chemistry and Physics' 64th Edition, CRC Press, and Y wherein Y is a bronze forming element or an oxide thereof, characterised in that the Pt--M alloy is in intimate contact with Y, and provided that M is not Ru if Y is WO.sub.3 is disclosed and which may be used as a poison tolerant catalyst for use in fuel cells, specifically as the anode of a PEM fuel cell.
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