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Flame spray pyrolysis of tin oxide-based Pt catalysts for PEM fuel cell applications

  • Paul I. Dahl (a1), Luis C. Colmenares (a1), Alejandro O. Barnett (a1), Scott Lomas (a1), Per E. Vullum (a1), Jannicke H. Kvello (a1), Julian R. Tolchard (a1), Sidsel M. Hanetho (a1) and Tommy Mokkelbost (a1)...

Abstract

SnO2 doped with Sb and Nb has been investigated for its use as catalyst support materials replacing carbon to enhance PEM fuel cells stability. Nanostructured powders of various doping levels were prepared by flame spray pyrolysis (FSP). The specific requirements of surface area >50 m2g-1 and electronic conductivity >0.01 Scm-1 were obtained, and pore sizes ranging mainly from 10 to 100 nm. Pt particles (9-20 wt.% in loading targeted) of ∼1 nm well dispersed in Sb-doped SnO2 was prepared by a one-step FSP procedure providing microstructures of high interest for further investigations as cathode in PEM fuel cells.

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Copyright

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

Corresponding author

*Corresponding author: paul.inge.dahl@sintef.no

Footnotes

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2

Current address: IK4-CIDETEC. Unit of Materials for Energy, 2014 San Sebastián, Spain

Footnotes

References

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