The mass/charge transfer characteristics in a simulated MOLB (mono-block-layer built)-type solid-oxide fuel cells have been studied numerically. The transport phenomena within a linear MOLB module, including flow channels, active porous electrodes, electrolyte, and interconnections, are simulated using the finite volume method. The gas flow in the porous electrodes is governed by the isotropic linear resistance model with constant porosity and permeability. The diffusions of reactant species in the porous electrodes are described by the Stefan-Maxwell relation. Effective diffusivities for porous layers follow the Bruggman model. Porous electrochemistry is depicted via surface reactions with a constant surface-to-volume ratio, tortuosity, and average pore size. Results of the cathode-supported cell and the anode-supported cell are obtained, discussed, and compared thereafter for the first time.
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e-mail: azaijj@mdu.edu.tw
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August 2005
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
Mass/Charge Transfer in Mono-Block-Layer-Built-Type Solid-Oxide Fuel Cells
J. J. Hwang
J. J. Hwang
Professor
Center for Advanced Science and Technology,
e-mail: azaijj@mdu.edu.tw
Mingdao University
, Peetou, Changhua 52345, Taiwan
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J. J. Hwang
Professor
Center for Advanced Science and Technology,
Mingdao University
, Peetou, Changhua 52345, Taiwane-mail: azaijj@mdu.edu.tw
J. Fuel Cell Sci. Technol. Aug 2005, 2(3): 164-170 (7 pages)
Published Online: January 31, 2005
Article history
Received:
November 21, 2004
Revised:
January 31, 2005
Citation
Hwang, J. J. (January 31, 2005). "Mass/Charge Transfer in Mono-Block-Layer-Built-Type Solid-Oxide Fuel Cells." ASME. J. Fuel Cell Sci. Technol. August 2005; 2(3): 164–170. https://doi.org/10.1115/1.1895965
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