SOFC Modelling and Numerical Simulation of Performances

The main purpose of this work is to establish the macroscopic impact of solid oxide thin layer electrolytes, which are proposed to reduce SOFC (solid oxide fuel cell) operating temperature. This work deals with the planar technology configuration. Fuel and oxidant flow through numerous small tubes....

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Bibliographic Details
Published in:Fuel cells (Weinheim an der Bergstrasse, Germany) Germany), 2006-02, Vol.6 (1), p.71-78
Main Authors: Mandin, P., Bernay, C., Tran-Dac, S., Broto, A., Abes, D., Cassir, M.
Format: Article
Language:English
Subjects:
Chemical and Thermal Properties
Electrical
Fuel Cells
Numerical Modelling
Reduced Model
SOFC
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Summary:The main purpose of this work is to establish the macroscopic impact of solid oxide thin layer electrolytes, which are proposed to reduce SOFC (solid oxide fuel cell) operating temperature. This work deals with the planar technology configuration. Fuel and oxidant flow through numerous small tubes. The electrical performance analysis of such an elementary fuel cell consist in establishing the relation between tension and current and the influence of parameters such as tubes dimensions, thickness and electrical conductivity of thin layers and fuel used. This study uses fundamental laws of species and energy conservation, as well as electrochemical and electrical laws. Stack performance calculation is mainly a thermal and electrical calculation. This is done here by using Fluent® code calculations and C programming. Particular attention is given to the thermal properties, because of the importance of the dilatation problem in SOFC technology.
ISSN:1615-6846
1615-6854
DOI:10.1002/fuce.200500098