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http://dx.doi.org/10.3795/KSME-B.2006.30.8.731

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

Ji Hyun-Jin (한국과학기술원 기계공학과)
Lim Sung-Kwang (한국과학기술원 기계공학과)
Yoo Yung-Sung (한국전력 전력연구원)
Bae Joong-Myeon (한국과학기술원 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.30, no.8, 2006 , pp. 731-740 More about this Journal
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.
Keywords
Solid Oxide Fuel Cell; Fuel Processor; Modeling; Operation Strategy; Matlab/Simulink;
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