Fundamentals of electro- and thermochemistry in the anode of solid-oxide fuel cells with hydrocarbon and syngas fuels

Abstract High fuel flexibility of solid-oxide fuel cells (SOFCs) affords the possibility to use relatively cheap, safe, and readily available hydrocarbon (e.g., CH₄) or coal syngas (i.e., CO-H₂ mixtures) fuels. Utilization of such fuels would greatly lower fuel cost and increase the feasibility o...

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Main Authors: Lee, W.Y., Hanna, Jeffrey, Alotaibi, Waleed Lafi, Ghoniem, Ahmed F
Other Authors: Massachusetts Institute of Technology. Department of Mechanical Engineering
Format: Article
Language:en_US
Published: Elsevier 2017
Online Access:http://hdl.handle.net/1721.1/109313
https://orcid.org/0000-0001-8730-272X
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author Lee, W.Y.
Hanna, Jeffrey
Alotaibi, Waleed Lafi
Ghoniem, Ahmed F
author2 Massachusetts Institute of Technology. Department of Mechanical Engineering
author_facet Massachusetts Institute of Technology. Department of Mechanical Engineering
Lee, W.Y.
Hanna, Jeffrey
Alotaibi, Waleed Lafi
Ghoniem, Ahmed F
author_sort Lee, W.Y.
collection MIT
description Abstract High fuel flexibility of solid-oxide fuel cells (SOFCs) affords the possibility to use relatively cheap, safe, and readily available hydrocarbon (e.g., CH₄) or coal syngas (i.e., CO-H₂ mixtures) fuels. Utilization of such fuels would greatly lower fuel cost and increase the feasibility of SOFC commercialization, especially for near-term adoption in anticipation of the long-awaited so-called “hydrogen economy”. Current SOFC technology has shown good performance with a wide range of hydrocarbon and syngas fuels, but there are still significant challenges for practical application. In this paper, the basic operating principles, state-of-the-art performance benchmarks, and SOFC-relevant materials are summarized. More in-depth reviews on those topics can be found in Kee and co-workers [Combust Sci and Tech 2008; 180:1207–44 and Proc Combust Inst 2005; 30:2379–404] and McIntosh and Gorte [Chem Rev 2004; 104:4845–65]. The focus of this review is on the fundamentals and development of detailed electro- and thermal (or simply, electrothermal) chemistry within the SOFC anode, including electrochemical oxidation mechanisms for H₂, CO, CH₄, and carbon, as well as the effects of carbon deposition and sulfur poisoning. The interdependence of heterogeneous chemistry, charge-transfer processes, and transport are discussed in the context of SOFC membrane-electrode assembly modeling.
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spelling mit-1721.1/1093132022-09-23T10:41:03Z Fundamentals of electro- and thermochemistry in the anode of solid-oxide fuel cells with hydrocarbon and syngas fuels Lee, W.Y. Hanna, Jeffrey Alotaibi, Waleed Lafi Ghoniem, Ahmed F Massachusetts Institute of Technology. Department of Mechanical Engineering Hanna, Jeffrey Alotaibi, Waleed Lafi Ghoniem, Ahmed F Abstract High fuel flexibility of solid-oxide fuel cells (SOFCs) affords the possibility to use relatively cheap, safe, and readily available hydrocarbon (e.g., CH₄) or coal syngas (i.e., CO-H₂ mixtures) fuels. Utilization of such fuels would greatly lower fuel cost and increase the feasibility of SOFC commercialization, especially for near-term adoption in anticipation of the long-awaited so-called “hydrogen economy”. Current SOFC technology has shown good performance with a wide range of hydrocarbon and syngas fuels, but there are still significant challenges for practical application. In this paper, the basic operating principles, state-of-the-art performance benchmarks, and SOFC-relevant materials are summarized. More in-depth reviews on those topics can be found in Kee and co-workers [Combust Sci and Tech 2008; 180:1207–44 and Proc Combust Inst 2005; 30:2379–404] and McIntosh and Gorte [Chem Rev 2004; 104:4845–65]. The focus of this review is on the fundamentals and development of detailed electro- and thermal (or simply, electrothermal) chemistry within the SOFC anode, including electrochemical oxidation mechanisms for H₂, CO, CH₄, and carbon, as well as the effects of carbon deposition and sulfur poisoning. The interdependence of heterogeneous chemistry, charge-transfer processes, and transport are discussed in the context of SOFC membrane-electrode assembly modeling. 2017-05-24T18:28:22Z 2017-05-24T18:28:22Z 2013-10 2013-02 Article http://purl.org/eprint/type/JournalArticle 0360-1285 http://hdl.handle.net/1721.1/109313 Hanna, J.; Lee, W.Y.; Shi, Y. and Ghoniem, A.F. "Fundamentals of electro- and thermochemistry in the anode of solid-oxide fuel cells with hydrocarbon and syngas fuels." Progress in Energy and Combustion Science 40 (February 2014): 74-111 © 2013 Elsevier Ltd https://orcid.org/0000-0001-8730-272X en_US http://dx.doi.org/10.1016/j.pecs.2013.10.001 Progress in Energy and Combustion Science Creative Commons Attribution-NonCommercial-NoDerivs License http://creativecommons.org/licenses/by-nc-nd/4.0/ application/pdf Elsevier MIT web domain
spellingShingle Lee, W.Y.
Hanna, Jeffrey
Alotaibi, Waleed Lafi
Ghoniem, Ahmed F
Fundamentals of electro- and thermochemistry in the anode of solid-oxide fuel cells with hydrocarbon and syngas fuels
title Fundamentals of electro- and thermochemistry in the anode of solid-oxide fuel cells with hydrocarbon and syngas fuels
title_full Fundamentals of electro- and thermochemistry in the anode of solid-oxide fuel cells with hydrocarbon and syngas fuels
title_fullStr Fundamentals of electro- and thermochemistry in the anode of solid-oxide fuel cells with hydrocarbon and syngas fuels
title_full_unstemmed Fundamentals of electro- and thermochemistry in the anode of solid-oxide fuel cells with hydrocarbon and syngas fuels
title_short Fundamentals of electro- and thermochemistry in the anode of solid-oxide fuel cells with hydrocarbon and syngas fuels
title_sort fundamentals of electro and thermochemistry in the anode of solid oxide fuel cells with hydrocarbon and syngas fuels
url http://hdl.handle.net/1721.1/109313
https://orcid.org/0000-0001-8730-272X
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