Two dimensional simulation models for a solid oxide fuel cell (SOFC) including gas channels have been studied using the commercial software FEMLAB which has a multi-physics approach. The models include full coupling between the mass balances at the anode and cathode, the balance of the ionic current carried by the oxide ion, and a balance of electronic current with an assumption of isothermal conditions. Three cross-section areas of 1cm × 1cm, 3cm × 3cm, and 5 cm × 5cm were chosen to study the dimensional effect. An additional 1cm × 1cm channel with rectangular protrusions was also studied to investigate geometry effects. Simulation results show expected result of increases in fuel cell properties like convective flux, electric potential with increasing cell flow area. The smaller fuel cell surface is altered by adding rectangular protrusions to increase surface area. The presence of rectangular protrusions also show increased current density production compared to a wall without protrusions. It is expected that the proposed simulations can be used to significantly help the design and operation of a SOFC in practical applications.
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ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems
July 17–22, 2005
San Francisco, California, USA
Conference Sponsors:
- Heat Transfer Division and Electronic and Photonic Packaging Division
ISBN:
0-7918-4734-9
PROCEEDINGS PAPER
Simulations of Dimensional Effects in Solid Oxide Fuel Cells
A. B. Mahmud Hasan,
A. B. Mahmud Hasan
Louisiana State University, Baton Rouge, LA
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Srinath V. Ekkad,
Srinath V. Ekkad
Louisiana State University, Baton Rouge, LA
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Patrick Mensah
Patrick Mensah
Southern University and A&M College, Baton Rouge, LA
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A. B. Mahmud Hasan
Louisiana State University, Baton Rouge, LA
Srinath V. Ekkad
Louisiana State University, Baton Rouge, LA
Patrick Mensah
Southern University and A&M College, Baton Rouge, LA
Paper No:
HT2005-72394, pp. 11-16; 6 pages
Published Online:
March 9, 2009
Citation
Hasan, ABM, Ekkad, SV, & Mensah, P. "Simulations of Dimensional Effects in Solid Oxide Fuel Cells." Proceedings of the ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. Heat Transfer: Volume 4. San Francisco, California, USA. July 17–22, 2005. pp. 11-16. ASME. https://doi.org/10.1115/HT2005-72394
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