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Energies 2014, 7(1), 295-313; doi:10.3390/en7010295
Article

Optimization of the Interconnect Ribs for a Cathode-Supported Solid Oxide Fuel Cell

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Received: 6 November 2013; in revised form: 30 December 2013 / Accepted: 2 January 2014 / Published: 10 January 2014
(This article belongs to the Special Issue Reacting Transport Phenomena in Solid Oxide Fuel Cells)
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Abstract: A comprehensive mathematical model of the performance of the cathode-supported solid oxide fuel cell (SOFC) with syngas fuel is presented. The model couples the intricate interdependency between the ionic conduction, electronic conduction, gas transport, the electrochemical reaction processes in the functional layers and on the electrode/electrolyte interfaces, methane steam reforming (MSR) and the water gas shift reaction (WGSR). The validity of the mathematical model is demonstrated by the excellent agreement between the numerical and experimental I-V curves. The effect of anode rib width and cathode rib width on gas diffusion and cell performance is examined. The results show conclusively that the cell performance is strongly influenced by the rib width. Furthermore, the anode optimal rib width is smaller than that for cathode, which is contrary to anode-supported SOFC. Finally, the formulae for the anode and cathode optimal rib width are given, which provide an easy to use guidance for the broad SOFC engineering community.
Keywords: solid oxide fuel cell; cathode-supported; interconnect rib; contact resistance; design optimization solid oxide fuel cell; cathode-supported; interconnect rib; contact resistance; design optimization
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Kong, W.; Gao, X.; Liu, S.; Su, S.; Chen, D. Optimization of the Interconnect Ribs for a Cathode-Supported Solid Oxide Fuel Cell. Energies 2014, 7, 295-313.

AMA Style

Kong W, Gao X, Liu S, Su S, Chen D. Optimization of the Interconnect Ribs for a Cathode-Supported Solid Oxide Fuel Cell. Energies. 2014; 7(1):295-313.

Chicago/Turabian Style

Kong, Wei; Gao, Xiang; Liu, Shixue; Su, Shichuan; Chen, Daifen. 2014. "Optimization of the Interconnect Ribs for a Cathode-Supported Solid Oxide Fuel Cell." Energies 7, no. 1: 295-313.


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