Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 160, Issue 3, Pages F290-F300Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.016304jes
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Funding
- Office of Naval Research [N00014-08-1-0539]
- National Science Foundation MRSEC program at the Colorado School of Mines [DMR-0820518]
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This paper develops and demonstrates a model representing radial defect transport through proton-conducting ceramic membranes, such as might be used in shell-and-tube type membrane reactors. The model uses a Nernst-Planck-Poisson (NPP) formulation and is designed to represent both steady-state and transient responses within mixed-conducting membranes with multiple charge-carrying defects. The partial differential equations, representing defect and charge conservation, are solved computationally using the method-of-lines in a differential-algebraic setting. Several example problems are solved and discussed, illustrating important aspects of the model. (C) 2013 The Electrochemical Society. [DOI: 10.1149/2.016304jes] All rights reserved.
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