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http://hdl.handle.net/10397/35832
Title: | Modeling of proton-conducting solid oxide fuel cells fueled with Syngas | Authors: | Ni, M Shao, ZP Chan, KY |
Issue Date: | 2014 | Source: | Energies, July 2014, v. 7, no. 7, p. 4381-4396 | Abstract: | Solid oxide fuel cells (SOFCs) with proton conducting electrolyte (H-SOFCs) are promising power sources for stationary applications. Compared with other types of fuel cells, one distinct feature of SOFC is their fuel flexibility. In this study, a 2D model is developed to investigate the transport and reaction in an H-SOFC fueled with syngas, which can be produced from conventional natural gas or renewable biomass. The model fully considers the fluid flow, mass transfer, heat transfer and reactions in the H-SOFC. Parametric studies are conducted to examine the physical and chemical processes in H-SOFC with a focus on how the operating parameters affect the H-SOFC performance. It is found that the presence of CO dilutes the concentration of H-2, thus decreasing the H-SOFC performance. With typical syngas fuel, adding H2O cannot enhance the performance of the H-SOFC, although water gas shift reaction can facilitate H-2 production. | Keywords: | Proton-conducting solid oxide fuel cells Mathematical modeling Coupled transport and reaction Syngas Water gas shift reaction Computational fluid dynamics Electrochemistry |
Publisher: | Molecular Diversity Preservation International (MDPI) | Journal: | Energies | EISSN: | 1996-1073 | DOI: | 10.3390/en7074381 | Rights: | © 2014 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/). The following publication Ni, M., Shao, Z. P., & Chan, K. Y. (2014). Modeling of proton-conducting solid oxide fuel cells fueled with Syngas. Energies, 7(7), (Suppl. ), 4381-4396 is available athttps://dx.doi.org/10.3390/en7074381 |
Appears in Collections: | Journal/Magazine Article |
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Ni_Proton-conducting_Solid_Oxide.pdf | 1.32 MB | Adobe PDF | View/Open |
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