SOFC-based micro-CHP system as an example of efficient power generation unit

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SOFC-based micro-CHP system as an example of efficient power generation unit

Microscale combined heat and power (CHP) unit based on solid oxide fuel cells (SOFC) for distributed generation was analyzed. Operation principle is provided, and the technology development in recent years is briefly discussed. System baseline for numerical analysis under steady-state operation is given. Grid-connected unit, fuelled by biogas corresponds to potential market demand in Europe, therefore has been selected for analysis. Fuel processing method for particular application is described. Results of modeling performed in ASPEN Plus engineering software with certain assumptions are presented and discussed. Due to high system electrical efficiency exceeding 40%, and overall efficiency over 80%, technology is an example of highly competitive and sustainable energy generation unit.

Van Heerle J., Membrez Y., and Bucheli O.: Biogas as a fuel source for SOFC co-generators. J. Power Sources 127(2004), 300-312.

Layi Fagbenle R., Oguaka A.B.C., Olakoyejo O.T.: Thermodynamic analysis of a biogas-fired intefrated gasification steam injected gas turbine (BIG/STIG) plant. Appl. Therm. Eng 27(2005), 2220-2225.

Barelli L., Bidini G., Gallorini F., Ottaviano A.: An energetic-exergetic comparison between PEMFC and SOFC-based micro-CHP systems. Int. J. Hydrogen Energy 36 (2011), 3206-3214.

Braun R.J.: Optimal Design and Operation of Solid Oxide Fuel Cell System for Small-scale Stationary Applications. PhD dissertation at University of Wisconsin-Madison, 2002.

Milewski J., Miller A., Salacinski J.: Off-design analysis of SOFC hybrid system. Int. J. Hydrogen Energy 32(2007), 6, 687-698.

Kupecki J.: Integrated Gasification SOFC Hybrid Power System Modeling: Novel numerical approach to modeling of advanced power systems. VDM Verlag Dr. Müller, 2010, ISBN 978-3639286144.

Steinnberger-Wilckens R.: FZ Julich, personal communication, IX 2011.

Toshiyki U.: JX Nippon, personal communication, IX 2011.

Shiratori Y., Oshima T., Sasaki K.: Feasibility of direct-biogas SOFC. Int. J. Hydrogen Energy 33(2008), 21, 6316-6321.

Fuel Cell Handbook, 7th edn. EG&G Technical Services, Inc. Under Contract No. DE-AM26-99FT40575. U.S. Department of Energy, 2004.

Bedringås K.W., Ertesvåg I.S., Byggstøyl S., Magnussen B.F.: Exergy analysis of solid-oxide fuell-cell systems. Energy 22(1997), 4, 403-412.

Kupecki J., Jewulski J., Badyda K.: Evaluation and selection of fuel processing technology for SOFC-based micro-CHP unit in dispersed generation. In: Rynek Ciepła - Materiały i Studia, ISBN: 978-83-927680-7-4, 2011, Nałęczów, Poland (in Polish).

Yoshiba F., Yamamoto T., Yoshikawa M., Mugikura M., Watanabe T.: Development of estimation method on SOFC system performance. In: Proceedings of the Second European Fuel Cell Technology and Applications Conference, XII 2007.

National Renewable Energy Laboratory. 1-10 kW Stationary Combined Heat and Power Systems Status and Technical Potential. NREL/BK-6A10-48265, 2010.

Archives of Thermodynamics

The Journal of Committee on Thermodynamics and Combustion of Polish Academy of Sciences

Journal Information

CiteScore 2016: 0.54

SCImago Journal Rank (SJR) 2016: 0.319
Source Normalized Impact per Paper (SNIP) 2016: 0.598

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