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A Study on Operation Characteristics of Planar-type SOFC System Integrated with Fuel Processor

Abstract

The solid oxide fuel cell (SOFC) is expected to be a candidate for distributed power sources in the next generation, due to its high efficiency and high-temperature waste heat utilization. In this study, the 5-cell SOFC stack was operated with pure hydrogen or reformed gas at anode side and air at cathode side. When stack was operated with diesel and methane ATR reformer, the influence of the $H_2O/C,\;O_2/C$ and GHSV on performance of stacks have been investigated. The result shows that the cell voltage was decreased with the increase of $H_2O/C$ and $O_2/C$ due to the partial pressure of fuel and water, and cell voltage was more sensitive to $O_2/C$ than $H_2O/C$. Next, the dynamic model of SOFC system included with ATR reformer was established and compared with experimental data. Based on dynamic model, the operation strategy to optimize SOFC-Reformer system was suggested and simulated.

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참고문헌 (7)

  1. Larminie, J. and Dicks, A., 2003, Fuel Cell Systems Explained 2nd Edition, John Wiley & Sons, Inc 
  2. Achenbach, E., 1994, 'Three-dimensional and Time-dependent Simulation of a Planar Solid Oxide Fuel Cell Stack,' Journal of power sources, Vol. 49, No. 1/3, pp. 333-348 
  3. Massardo, A. F. and Lubelli, F., 2000, 'Internal Reforming Solid Oxide Fuel Cell-Gas Turbine Combined Cycles (IRSOFC-GT): Part A - Cell Model and Cycle Thermodynamic Analysis (98-GT-577),' Journal of engineering for gas turbines and power, Vol. 122, No. 1, pp. 27-35 
  4. Pathapati, P.R., Xue, X. and Tang, J., 2005, 'A New Dynamic Model for Predicting Transient Phenomena in a PEM Fuel Cell System,' Renewable energy, Vol. 30, No. 1, pp. 1-22 
  5. Sungkwang Lim, 2005, 'Autothermal Reforming of Natural Gas for Fuel Cells,' Master thesis, KAIST, Korea 
  6. Hiraad Taherparvar, John A. Kilner, Richard T. Baker and Mortaza Sahibzada, 2003, 'Effect of Humidification at Anode and Cathode in Proton-Conducting SOFCs,' Solid State Ionics, Vol. 162-163, pp. 297-303 
  7. Sheldon H.D. Lee, Daniel V. Applegate, Shabbir Ahmed, Steven G. Calderone and Todd L. Harvey, 2005, 'Hydrogen from Natural Gas : Part I-Autothermal Reforming in an Integrated Fuel Processor,' Journal of Hydrogen Energy, Vol. 30, No. 8, pp. 829-842 

이 논문을 인용한 문헌 (2)

  1. Park, Joon-Guen ; Kim, Sun-Young ; Bae, Joong-Myeon 2010. "Numerical Modeling of Physical Property and Electrochemical Reaction for Solid Oxide Fuel Cells" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. B. B, 34(2): 157~163 
  2. Han, Min-Su ; Im, Myeong-Hwan ; Kim, Seong-Jong 2014. "Effects of Shot Peening Projection Pressure on Electrochemical Characteristics of ALBC3 Alloy in Seawater" 한국표면공학회지 = Journal of the Korean institute of surface engineering, 47(1): 25~32 

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