Title of article
Evaluation of solid oxide fuel cell anode based on active triple phase boundary length and tortuosity
Author/Authors
-، - نويسنده School of Mechanical Engineering, College of Engineering, University of Tehran, P.O. Box 111554563, Tehran, Iran Hasanabadi, Ali , -، - نويسنده School of Mechanical Engineering, College of Engineering, University of Tehran, P.O. Box 111554563, Tehran, Iran Baniassadi, Majid , -، - نويسنده School of Mechanical Engineering, College of Engineering, University of Tehran, P.O. Box 111554563, Tehran, Iran Abrinia, Karen , -، - نويسنده School of Mechanical Engineering, College of Engineering, University of Tehran, P.O. Box 111554563, Tehran, Iran Baghani, Mostafa , -، - نويسنده School of Mechanical Engineering, College of Engineering, University of Tehran, P.O. Box 111554563, Tehran, Iran Mazrouei Sebdani, Mohsen
Issue Information
دوفصلنامه با شماره پیاپی 0 سال 2016
Pages
9
From page
11
To page
19
Abstract
-
Abstract
An efficient procedure is presented for the evaluation of solid oxide fuel cell (SOFC) anode microstructure triple phase boundary length (TPBL). Triple phase boundary- the one that is common between three phases of the microstructure- has a great influence on the overall efficiency of SOFC because all electrochemical reactions of anode take place in its vicinity. Therefore, evaluation of TPBL for virtual or experimental 3D microstructures is essential for comparison purposes and the optimization processes. In this study, first, an algorithm is proposed to distinguish between percolated and non-percolated clusters for each of the phases. Then, another algorithm is used to determine the value of TPBL for all percolated clusters of three phases. Also, a procedure based on thermal and diffusion analogy is presented to assess the tortuosity of porous and solid phases. Finally for a virtual microstructure, percolated clusters, active and total TPBL and tortuosity are calculated and discussed.
Journal title
Energy Equipment and Systems
Serial Year
2016
Journal title
Energy Equipment and Systems
Record number
2401529
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