Research Papers

SOFC Lifetime Assessment in Gas Turbine Hybrid Power Systems

[+] Author and Article Information
David Tucker

U.S Department of Energy,
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,
National Energy Technology Laboratory,
3610 Collins Ferry Road,
Morgantown, WV 26507-0880
e-mail: maria0024@gmail.com

Nor Farida Harun

Department of Chemical Engineering,
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 11(5), 051008 (Aug 26, 2014) (7 pages) Paper No: FC-14-1052; doi: 10.1115/1.4028158 History: Received April 25, 2014; Revised May 30, 2014

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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Boudghene Stambouli, A., and Traversa, E., 2002, “Solid Oxide Fuel Cells (SOFCs): A Review of an Environmentally Clean and Efficient Source of Energy,” Renewable Sustainable Energy Rev., 6(5), pp. 433–455. [CrossRef]
Gemmen, R. S., and Johnson, C. D., 2006, “Evaluation of Fuel Cell System Efficiency and Degradation at Development and During Commercialization,” J. Power Sources, 159(1), pp. 646–655. [CrossRef]
Gemmen, R. S., Williams, M. C., and Gerdes, K., 2008, “Degradation Measurement and Analysis for Cells and Stacks,” J. Power Sources, 184(1), pp. 251–259. [CrossRef]
Gandavarapu, S. R., Sabolsky, K., Gerdes, K., and Sabolsky, E. M., 2013, “Direct Foamed and Nano-Catalyst Impregnated Solid-Oxide Fuel Cell (SOFC) Cathodes,” Mater. Lett., 95, pp. 131–134. [CrossRef]
Shao, Z., and Haile, S. M., 2004, “A High-Performance Cathode for the Next Generation of Solid-Oxide Fuel Cells,” Nature, 431(7005), pp. 170–173. [CrossRef] [PubMed]
Tucker, D., Manivannan, A., and Shelton, M. S., 2009, “The Role of Solid Oxide Fuel Cells in Advanced Hybrid Power Systems of the Future,” Electrochem. Soc. Interface, 18(3), pp. 25–28. https://www.electrochem.org/dl/interface/fal/fal09/fal09_p045-048.pdf
Tucker, D., VanOsdol, J. G., Liese, E. A., Lawson, L. O., Zitney, S. E., Gemmen, R. S., Ford, J. C., and Haynes, C. L., 2012, “Evaluation of Methods for Thermal Management in a Coal-Based SOFC Turbine Hybrid Through Numerical Simulation,” ASME J. Fuel Cell Sci. Technol., 9(4), p. 041004. [CrossRef]
Haynes, C., and Wepfer, W. J., 2000, “Design for Power of a Commercial Grade Tubular Solid Oxide Fuel Cell,” Energy Convers. Manage., 41(11), pp. 1123–1139. [CrossRef]
Hughes, D., Wepfer, W. J., Davies, K., Haynes, C., and Tucker, D., 2011, “A Real-Time Spatial SOFC Model for Hardware–Based Simulation of Hybrid Systems,” ASME Paper No. FuelCell2011-54591. [CrossRef]
Zhao, F., and Virkar, A. V., 2005, “Dependence of Polarization in Anode Supported Solid Oxide Fuel Cells on Various Cell Parameters,” J. Power Sources, 141(1), pp. 79–95. [CrossRef]
Noren, D. A., and Hoffman, M. A., 2005, “Clarifying the Butler–Volmer Equation and Related Approximations for Calculating Activation Losses in Solid Oxide Fuel Cell Models,” J. Power Sources, 152(1), pp. 175–181. [CrossRef]
Hagen, A., Barfod, R., and Hendriksen, P. V., 2006, “Degradation of Anode Supported SOFCs as a Function of Temperature and Current Load,” J. Electrochem. Soc., 153(6), pp. 1165–1171. [CrossRef]
Comminges, C., Fu, Q. X., Zahid, M., Yousfi Steiner, N., and Bucheli, O., 2012, “Monitoring the Degradation of a Solid Oxide Fuel Cell Stack During 10,000 H Via Electrochemical Impedance Spectroscopy,” Electrochim. Acta, 59, pp. 367–375. [CrossRef]
Abreu-Sepulveda, M., Harun, N. F., Hackett, G., Hagen, A., and Tucker, D., 2014, “Accelerated Degradation for Hardware in the Loop Simulation of Fuel Cell Turbine Hybrid,” ASME Proceedings 12th Fuel Cell Science, Engineering and Technology, Boston, MA, June 30–July 2, ASME Paper No. FuelCell2014-6522.


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Fig. 1

A direct fired SOFC turbine hybrid with recuperation

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Fig. 2

Degradation rates as a function of current density and fuel utilization at 800 °C

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Fig. 3

Simplified flow diagram of fuel cell model with degradation

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Fig. 4

Standalone fuel cell system configuration

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Fig. 5

Typical power drop at fuel cell failure

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Fig. 6

Hybrid fuel cell turbine system configuration

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Fig. 7

Standalone degradation to failure, voltage, current, and power as a function time at 80% fuel utilization

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Fig. 8

Standalone SOFC degradation to failure, efficiency, fuel flow, and fuel utilization as a function time

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Fig. 9

A comparison of efficiency for an SOFC operated at 85% and 50% fuel utilization over the lifetime of the stack for a 310 kW power demand

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Fig. 10

SOFC degradation in a hybrid configuration to failure, voltage, stack power, and turbine power as a function time at a 200 A SOFC load

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Fig. 11

SOFC degradation to failure in a hybrid system, efficiency, fuel flow, and fuel utilization as a function time

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Fig. 12

A comparison of cell voltage for an SOFC in a standalone configuration versus an SOFC in a hybrid configuration over the lifetime of the stack

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Fig. 13

A comparison of fuel flow for an SOFC in a standalone configuration versus an SOFC in a hybrid configuration over 80,000 h

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Fig. 14

A comparison of efficiency for an SOFC standalone system versus hybrid system over 80,000 h




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