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NO reduction performance of Rh paste catalyst on YSZ under steady state and forced oscillation electropromotion conditions

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Abstract

The technique of cyclic voltammetry was applied in conjunction with on-line catalytic product analysis to investigate the electrochemical promotion of NO reduction by C3H6 in presence of O2 on Rh catalyst-electrode films on YSZ at temperatures 350–490 °C. Cyclic linear potential sweep amperometry under catalytic reaction conditions leads to cyclic non-Faradaic electrochemical modifications in the CO2 formation and NO reduction rates which are compared to those obtained under steady state potentiostatic operation.

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Correspondence to C. G. Vayenas.

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Brosda, S., Vayenas, C.G. NO reduction performance of Rh paste catalyst on YSZ under steady state and forced oscillation electropromotion conditions. J Appl Electrochem 38, 1135–1142 (2008). https://doi.org/10.1007/s10800-008-9549-8

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Keywords

  • NO reduction
  • Rh catalyst electrode
  • Cyclic voltammetry
  • AC impedance spectroscopy