Radiation heat transfer in planar SOFC electrolytes

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DOIResolve DOI: http://doi.org/10.1016/j.jpowsour.2005.07.045
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TypeArticle
Journal titleJournal of Power Sources
Volume157
Pages302310; # of pages: 9
SubjectSOFC; Thermal radiation; Electrolyte
AbstractBecause of their high operating temperatures, there has been speculation that thermal radiation may play an important role in the overall heat transfer within the electrode and electrolyte layers of solid oxide fuel cells (SOFCs). This paper presents a detailed characterization of the thermophysical and radiative properties of the composite materials, which are then used to define a simple 2D model incorporating the heat transfer characteristics of the electrode and electrolyte layers of a typical planar SOFC. Subsequently, the importance of thermal radiation is assessed by comparing the temperature field obtained using a conduction model with those obtained using two coupled conduction/radiation models. Contrary to some published literature, these results show that radiation heat transfer has a negligible effect on the temperature field within these components, and does not need to be accommodated in comprehensive thermal models of planar SOFCs.
Publication date
LanguageEnglish
AffiliationNRC Institute for Chemical Process and Environmental Technology; National Research Council Canada
Peer reviewedNo
NRC number47882
NPARC number8925821
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Record identifiera8f0632f-2a3c-4813-8ffb-a76d55a0049c
Record created2009-04-23
Record modified2016-05-09
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