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Ultra CO Tolerant PtMo/PtRu anodes for PEMFCs

Published online by Cambridge University Press:  11 February 2011

Sarah C Ball  and
David Thompsett
Sarah C Ball
Affiliation:
Johnson Matthey Technology Centre, Blounts Court, Sonning Common Reading, RG4 9NH UK
David Thompsett
Affiliation:
Johnson Matthey Technology Centre, Blounts Court, Sonning Common Reading, RG4 9NH UK
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Abstract

Progress has been made in designing an anode electrode that can tolerate CO levels of several thousand ppm which are a typical output of a fuel processor consisting of a reformer and water-gas-shift unit only. The combination of a PtMo catalyst that is capable of electrochemically oxidising CO and a PtRu catalyst that can tolerate high levels of CO2 arranged in a bilayer configuration, has been shown to tolerate 2000 ppm CO in H2 with a relatively small loss in fuel cell performance. Further improvements in the ability to tolerate higher levels of CO with lower performance losses are expected due to improved PtMo catalyst design.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 756: Symposia EE/FF – Solid-State Ionics – Materials for Fuel Cells and Fuel Processors , 2002 , FF5.1
Copyright
Copyright © Materials Research Society 2003

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References

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