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Article Dans Une Revue Journal of The Electrochemical Society Année : 2013

The Impact of Experimental Factors on Oxygen Semi-Permeation Measurements

Résumé

Many recent studies have focused on the development of perovskite membranes with high oxygen semi-permeation performance. However, the usual experimental setups used to measure oxygen semi-permeation values may lead to significant errors in the actual performance of the membrane materials. In this paper, special attention is paid to the experimental conditions and the associated impacts on oxygen semi-permeation measurements collected from the membrane. Furthermore, the experimental setups described in the literature do not allow the direct identification of the limiting step for oxygen transport through the membrane, i.e., either through bulk oxygen diffusion or oxygen surface exchange on both membrane surfaces. In this work, a specific experimental setup is proposed for the discrimination of oxygen bulk diffusion and surface exchange phenomena
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Dates et versions

hal-00780335 , version 1 (23-01-2013)

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Pierre-Marie Geffroy, Aurélien Vivet, Jacques Fouletier, Marlu C. Steil, Eric Blond, et al.. The Impact of Experimental Factors on Oxygen Semi-Permeation Measurements. Journal of The Electrochemical Society, 2013, 160, pp.F60-F68. ⟨10.1149/2.068301jes⟩. ⟨hal-00780335⟩
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