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http://dx.doi.org/10.7316/KHNES.2016.27.1.049

Optimization of Operating Conditions for a 10 kW SOFC System  

LEE, YULHO (Power & Energy Science Laboratory, Hong-ik Univ.)
YANG, CHANUK (Power & Energy Science Laboratory, Hong-ik Univ.)
YANG, CHOONGMO (POSCO ENERGY)
PARK, SANGHYUN (POSCO ENERGY)
PARK, SUNGJIN (Power & Energy Science Laboratory, Hong-ik Univ.)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.27, no.1, 2016 , pp. 49-62 More about this Journal
Abstract
In this study, a solid oxide fuel cell (SOFC) system model including balance of plant (BOP) for building electric power generation is developed to study the effect of operating conditions on the system efficiency and power output. SOFC system modeled in this study consists of three heat-exchangers, an external reformer, burner, and two blowers. A detailed computational cell model including internal reforming reaction is developed for a planer SOFC stack which is operated at intermediate temperature (IT). The BOP models including an external reformer, heat-exchangers, a burner, blowers, pipes are developed to predict the gas temperature, pressure drops and flow rate at every component in the system. The SOFC stack model and BOP models are integrate to estimate the effect of operating parameters on the performance of the system. In this study, the design of experiment (DOE) is used to compare the effects of fuel flow rate, air flow rate, air temperature, current density, and recycle ratio of anode off gas on the system efficiency and power output.
Keywords
Solid oxide fuel cell(SOFC); Fuel cell system; Numerical model; Optimization; Design of experiment;
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  • Reference
1 BP. Statistical Review of World Energy, BP plc, London, 2015, (accessed 28.07.15).
2 H.R. Ellamla et al. "Journal of Power Sources", 293, 2015, 312-328.   DOI
3 L. Lopes, S. Hokoi, H. Miura, K. Shuhei, "Energy Build.", 37, 2005, 698-706.   DOI
4 S. Ashina, T. Nakata, "Appl. Energy", 85, 2008, 101-114.   DOI
5 H. Ren, W. Gao, "Energy Build.", 42, 2010, 853-861.   DOI
6 R. Napoli et al. "Energy and Buildings", 103, 2015, 131-146.   DOI
7 P. Lisbona et al. "Electrochimica Acta", 53, 2007, 1920-1930.   DOI
8 R. Bove et al., "International Journal of Hydrogen Energy", 30, 2005, 181-187.
9 A. Arsalis et al., "International Journal of Hydrogen Energy", 36, 2011, 5010-5020   DOI
10 K.H. Lee, R.K. "Strand, Renewable Energy", 34, 2009, 2831-2846.   DOI
11 Fuel cell systems explained, J. Larminie, et al, John Wiley & Sons, LTD.
12 W. Lehnert et al., "Journal of Power Sources", 87, 2000, 57-63.   DOI
13 P. O. Graf et al., "Applied Catalysis A: General", 332, 2007, 310-317.   DOI
14 J.B. Robinson et al., "Journal of Power Sources", 288, 2015, 473-481   DOI