Ionics

, Volume 14, Issue 3, pp 235–241 | Cite as

Electrochemical promotion of propane deep oxidation on doped lanthanum manganites

  • V. Roche
  • E. Siebert
  • M. C. Steil
  • J. P. Deloume
  • C. Roux
  • T. Pagnier
  • R. Revel
  • P. Vernoux
Original Paper

Abstract

Electrochemical catalysts based on LSM deposited on YSZ were used for propane deep oxidation. Electrochemical characterizations such as impedance spectroscopy and current–overpotential measurements were performed. Different thicknesses of LSM films were catalytically characterized and EPOC experiments were carried out on those electrochemical catalysts. It was found that the reaction rates can be in situ tuned by applying an anodic polarization but with weak promotional effects. The faradaic efficiency decreased as the applied potential, the temperature, and the thickness of the catalyst increased.

Keywords

Catalytic combustion Propane oxidation Impedance spectroscopy Electrochemical catalyst EPOC NEMCA C3H8 LSM Yttria-stabilized zirconia 

Notes

Acknowledgments

The work was supported by a grant from CNRS-IFP. The authors want to thank M. Hénault (LEPMI UMR 5631 CNRS-INPG, Saint-Martin-d’Hères) for the fruitful discussions and technical assistance.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • V. Roche
    • 1
    • 2
  • E. Siebert
    • 2
  • M. C. Steil
    • 2
  • J. P. Deloume
    • 1
  • C. Roux
    • 2
  • T. Pagnier
    • 2
  • R. Revel
    • 3
  • P. Vernoux
    • 1
  1. 1.Institut de Recherches sur la Catalyse et l’Environnement de Lyon (IRCELYON)VilleurbanneFrance
  2. 2.Laboratoire d’Electrochimie et de Physico-chimie des Matériaux et des Interfaces (LEPMI), UMR 5631 CNRS-INPG-UJF, ENSEEG, BP 75Saint-Martin-d’HèresFrance
  3. 3.Institut Français du Pétrole, IFP-LyonVernaisonFrance

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