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Effect of Air Flow Rate on the Performance of Planar Solid Oxide Fuel Cell using CFD
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 Title & Authors
Effect of Air Flow Rate on the Performance of Planar Solid Oxide Fuel Cell using CFD
Kim, Danbi; Han, Kyoungho; Yoon, Do-Young;
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 Abstract
Solid Oxide Fuel Cells (SOFC) continue to be among the most promising alternative energy devices. This paper addresses i-V characteristics of SOFC with a focus on air flow rate along the planar anode electrodes. To address this, detailed Butler-Volmer kinetics are implemented in a general-purpose CFD code FLUENT. The numerical results were validated against experimental data from the literature showing excellent match with i-V polarization data ranging 1V-0.4V. Numerical calculations of fuel cell operation under different flow rare conditions were performed in three-dimensional geometries. Results are presented in terms of concentration distribution of hydrogen, oxygen, and water. The simulations and results indicate that advanced CFD with UDF(User-Defined Function) of Butler-Volmer kinetics can be used to identify the conditions leading to air flow rate and specific surface area and guide development of operating conditions and improve the fuel cell system performance.
 Keywords
SOFC;CFD;electrochemistry;flow rate;concentration loss;
 Language
Korean
 Cited by
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