The adoption of solid oxide fuel cell (SOFC) technology in power generation has been limited, in no small part, by material degradation issues affecting the stack lifetime, and hence, the economic viability. A numeric study was conducted to determine if the life of an SOFC could be extended when integrated with a recuperated gas turbine system. Dynamic modeling tools developed at the National Energy Technology Laboratory (NETL) for real-time applications were applied to evaluate life to failure for both a standalone SOFC and a hybrid SOFC gas turbine. These models were modified using empirical relations to experimental degradation data to incorporate degradation as a function of current density and fuel utilization. For the control strategy of shifting power to the turbine as fuel cell voltage degrades, the SOFC life could be extended dramatically, significantly impacting the economic potential of the technology.
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October 2014
This article was originally published in
Journal of Fuel Cell Science and Technology
Research-Article
SOFC Lifetime Assessment in Gas Turbine Hybrid Power Systems
David Tucker,
David Tucker
1
U.S Department of Energy,
e-mail: David.Tucker@NETL.DOE.GOV
National Energy Technology Laboratory
,3610 Collins Ferry Road
,Morgantown, WV 26507-0880
e-mail: David.Tucker@NETL.DOE.GOV
1Corresponding author.
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Maria Abreu-Sepulveda,
Maria Abreu-Sepulveda
U.S Department of Energy,
e-mail: maria0024@gmail.com
National Energy Technology Laboratory
,3610 Collins Ferry Road
,Morgantown, WV 26507-0880
e-mail: maria0024@gmail.com
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Nor Farida Harun
Nor Farida Harun
Department of Chemical Engineering,
e-mail: adfarimie@yahoo.com
McMaster University
,1280 Main Street West
,Hamilton, ON L8S 4L7
, Canada
e-mail: adfarimie@yahoo.com
Search for other works by this author on:
David Tucker
U.S Department of Energy,
e-mail: David.Tucker@NETL.DOE.GOV
National Energy Technology Laboratory
,3610 Collins Ferry Road
,Morgantown, WV 26507-0880
e-mail: David.Tucker@NETL.DOE.GOV
Maria Abreu-Sepulveda
U.S Department of Energy,
e-mail: maria0024@gmail.com
National Energy Technology Laboratory
,3610 Collins Ferry Road
,Morgantown, WV 26507-0880
e-mail: maria0024@gmail.com
Nor Farida Harun
Department of Chemical Engineering,
e-mail: adfarimie@yahoo.com
McMaster University
,1280 Main Street West
,Hamilton, ON L8S 4L7
, Canada
e-mail: adfarimie@yahoo.com
1Corresponding author.
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY. Manuscript received April 25, 2014; final manuscript received May 30, 2014; published online August 26, 2014. Editor: Nigel M. Sammes.
J. Fuel Cell Sci. Technol. Oct 2014, 11(5): 051008 (7 pages)
Published Online: August 26, 2014
Article history
Received:
April 25, 2014
Revision Received:
May 30, 2014
Citation
Tucker, D., Abreu-Sepulveda, M., and Harun, N. F. (August 26, 2014). "SOFC Lifetime Assessment in Gas Turbine Hybrid Power Systems." ASME. J. Fuel Cell Sci. Technol. October 2014; 11(5): 051008. https://doi.org/10.1115/1.4028158
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