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Volume 134, 2007
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Optimisation of oxygen ion transport in materials for ceramic membrane devices

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Abstract

Oxygen transport in ceramic oxide materials has received much attention over the past few decades. Much of this interest has stemmed from the desire to construct high temperature electrochemical devices for energy conversion, an example being the solid oxide fuel cell. In order to achieve high performance for these devices, insights are needed in how to achieve optimum performance from the functional components such as the electrolytes and electrodes. This includes the optimisation of oxygen transport through the crystal lattice of electrode and electrolyte materials and across the homogeneous (grain boundary) and heterogeneous interfaces that exist in real devices. Strategies are discussed for the optimisation of these quantities and current problems in the characterisation of interfacial transport are explored.

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Article information


Submitted
20 Oct 2006
Accepted
20 Oct 2006
First published
16 Nov 2006

Faraday Discuss., 2007,134, 9-15
Article type
Paper

Optimisation of oxygen ion transport in materials for ceramic membrane devices

J. A. Kilner, Faraday Discuss., 2007, 134, 9
DOI: 10.1039/B615306M

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