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Diffusion-Reaction in Mixed Ionic Electronic Conductor Solid Oxide Membranes with Porous Electrodes

Published online by Cambridge University Press:  16 February 2011

Huiming Deng ,
Minyau Zhou  and
Benjamin Abeles
Huiming Deng
Affiliation:
Exxon Research and Engineering Co., Annandale NJ 08801
Minyau Zhou
Affiliation:
Exxon Research and Engineering Co., Annandale NJ 08801
Benjamin Abeles
Affiliation:
Exxon Research and Engineering Co., Annandale NJ 08801
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Abstract

We solve the transport equations for diffusion-reaction, in the limit of a small O2 pressure gradient, in a mixed oxygen ion-electronic conductor (MIEC) solid oxide membrane consisting of a porous anode and cathode separated by a thin dense layer. The enhancement in ion current due to the porous electrodes calculated for MIEC perovskites is of order 100 for electrode surface area of 106 cm2/cm3.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 369: Symposium U – Solid State Ionics IV , 1994 , 415
Copyright
Copyright © Materials Research Society 1995

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References

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