Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29744
Title: 2D segment model for a solid oxide fuel cell with a mixed ionic and electronic conductor as electrolyte
Authors: Shen, S
Ni, M 
Keywords: 2D model
Leakage current
Mixed ionic and electronic
Solid oxide fuel cell
Issue Date: 2015
Publisher: Elsevier Ltd
Source: International journal of hydrogen energy, 2015 How to cite?
Journal: International Journal of Hydrogen Energy 
Abstract: A 2D segment model for a solid oxide fuel cell (SOFC) with a mixed ionic and electronic conductor (MIEC) as electrolyte is developed, considering the mass transport, electrochemical reaction and charge transport. The electrochemical reaction is described by the Butler-Volmer equation and the expression of the oxygen partial pressure at the reaction interface is obtained by the energy conservation analysis. The model results are compared with experimental data and good agreement is achieved. The characteristics of the SOFC with a samaria doped ceria (SDC) electrolyte are analyzed by this model. Parametric simulations are conducted to investigate the uniformity of the leakage current (electronic current) and oxygen partial pressure in the electrolyte under various operating conditions. The results provide fundamental information on the leakage current in a SOFC and can serve as a useful tool for design optimization.
URI: http://hdl.handle.net/10397/29744
ISSN: 0360-3199
DOI: 10.1016/j.ijhydene.2015.02.074
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