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Research Papers

Numerical Modeling of Planar Molten Carbonate Fuel Cells

[+] Author and Article Information
A. Mirahmadi

Department of Mechanical Engineering,  Iran University of Science and Technology, Tehran, Iran

H. Akbari1

Department of Mechanical Engineering,  Iran University of Science and Technology, Tehran, Iranakbari12@iust.ac.ir

1

Corresponding author.

J. Fuel Cell Sci. Technol 8(6), 061007 (Sep 26, 2011) (5 pages) doi:10.1115/1.4004502 History: Received May 11, 2011; Revised June 29, 2011; Published September 26, 2011; Online September 26, 2011

This paper presents numerical modeling of molten carbonate fuel cells (MCFCs). The physical model consists of electrical, electrochemical, mass transport, conservation of momentums and heat transfer analyses. Numerical solution is only implemented to solution of a planer two dimensional problem comprising averaged variables. Variations of variables in the cell normal direction are taken into account by related mathematical formulas. This solution technique is faster and more stable than a complete numerical solution. The solution results of the developed model to a typical problem are compared to available experimental data from the literature and acceptable agreement is perceived.

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Copyright © 2011 by American Society of Mechanical Engineers
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References

Figures

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Figure 1

Geometry of planar MCFC

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Figure 2

Two dimensional Solution sub domains

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Figure 3

Operating principle of MCFC with hydrogen at the anode as a fuel [7]

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Figure 4

Cell performance curves at 590 °C

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Figure 5

Cell performance curves at 650 °C

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Figure 6

Hydrogen concentration at channel and reaction layer

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Figure 7

Oxygen concentration at channel and reaction layer

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Figure 8

Carbon dioxide concentration at channel and reaction layer

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Figure 9

Electric current density distribution in cell axial direction

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