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Title: On the tortuosity factor of solid phase in solid oxide fuel cell electrodes
Authors: Zheng, KQ
Zhang, YX
Li, L
Ni, M 
Issue Date: 2015
Source: International journal of hydrogen energy, 2015, v. 40, no. 1, p. 665-669
Abstract: Tortuosity factor tau of the solid phase is an important parameter for the accurate prediction of SOFC electrode conductivity. This work investigates the effect of computational domain on tau. The results show that a computational domain with cross section area of 15d*15d (d: particle diameter) is necessary for the calculation of tau when 15% deviation is allowed. The result also validates that the anisotropic property of tau shown in the previous literatures is caused by the insufficient sample size. This study builds a framework for the further study of tau.
Keywords: Tortuosity factor
Computational domain
Anisotropic property
Publisher: Pergamon Press
Journal: International journal of hydrogen energy 
ISSN: 0360-3199
EISSN: 1879-3487
DOI: 10.1016/j.ijhydene.2014.10.111
Rights: Copyright © 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
NOTICE: this is the author’s version of a work that was accepted for publication in International Journal of Hydrogen Energy. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. The definitive version Zheng, K., Zhang, Y., Li, L., & Ni, M. (2015). On the tortuosity factor of solid phase in solid oxide fuel cell electrodes. International Journal of Hydrogen Energy, 40(1), 665-669 is available at
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