Journal of Electrochemical Science and Technology

  • 제1권2호
  • /
  • Pages.102-111
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  • 2010
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  • 2093-8551(pISSN)
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  • 2288-9221(eISSN)
한국전기화학회 (The Korean Electrochemical Society)
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Economic Feasibility Study for Molten Carbonate Fuel Cells Fed with Biogas

  • Song, Shin-Ae (Fuel Cell Research Center, Korea Institute of Science and Technology) ;
  • Han, Jong-Hee (Fuel Cell Research Center, Korea Institute of Science and Technology) ;
  • Yoon, Sung-Pil (Fuel Cell Research Center, Korea Institute of Science and Technology) ;
  • Nam, Suk-Woo (Fuel Cell Research Center, Korea Institute of Science and Technology) ;
  • Oh, In-Hwan (Fuel Cell Research Center, Korea Institute of Science and Technology) ;
  • Choi, Dae-Ki (Fuel Cell Research Center, Korea Institute of Science and Technology)
  • 투고 : 2010.12.14
  • 심사 : 2010.12.23
  • 발행 : 2010.12.30
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초록

Molten carbonate fuel cell (MCFC) power plants are one of most attractive electricity generation systems for the use of biogas to generate high-efficiency ultra-clean power. However, MCFCs are considerably more expensive than comparable conventional electricity generation systems. The commercialization of MCFCs has been delayed more than expected. After being effective in the Kyoto protocol and considerably increasing the fossil price, the attention focused on $CO_2$ regression and renewable energy sources has increased dramatically. In particular, the commercialization and application of MCFC systems fed with biogas have been revived because of the characteristics of $CO_2$ collection and fuel variety of MCFCs. Better economic results of MCFC systems fed with biogas are expected because biogas is a relatively inexpensive fuel compared to liquefied natural gas (LNG). However, the pretreatment cost is added when using anaerobic digester gas (ADG), one of the biogases, as a fuel of MCFC systems because it contains high $H_2S$ and other contaminants, which are harmful sources to the MCFC stack in ADG. Thus, an accurate economic analysis and comparison between MCFCs fed with biogas and LNG are very necessary before the installation of an MCFC system fed with biogas in a plant. In this paper, the economic analysis of an MCFC fed with ADG was carried out for various conditions of electricity and fuel price and compared with the case of an MCFC fed with LNG.

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피인용 문헌

  1. Enhancement of Mechanical Strength Using Nano Aluminum Reinforced Matrix for Molten Carbonate Fuel Cell vol.23, pp.2, 2012, https://doi.org/10.7316/KHNES.2012.23.2.143
  2. Multi-objective optimization of molten carbonate fuel cell system for reducing CO2 emission from exhaust gases vol.9, pp.1, 2015, https://doi.org/10.1007/s11708-014-0341-7
  3. Reducing CO2emission from exhaust gases using molten carbonate fuel cells: a new approach vol.37, pp.4, 2016, https://doi.org/10.1080/01430750.2014.963206
  4. Improved molten carbonate fuel cell performance via reinforced thin anode vol.37, pp.21, 2012, https://doi.org/10.1016/j.ijhydene.2012.08.057
  5. Biogas upgrading and utilization from ICEs towards stationary molten carbonate fuel cell systems vol.13, pp.7, 2016, https://doi.org/10.1080/15435075.2015.1018992
  6. Fabrication of electrolyte-impregnated cathode by dry casting method for molten carbonate fuel cells vol.29, pp.7, 2012, https://doi.org/10.1007/s11814-011-0263-6
  7. Exergy & economic analysis of biogas fueled solid oxide fuel cell systems vol.272, 2014, https://doi.org/10.1016/j.jpowsour.2014.08.044