International Journal of Safety

The Korean Society of Safety (한국안전학회)
권호 표지

Thermal Stress Analysis on the Solid Oxide Fuel Cell according to Operating Temperature

  • Kwon, Oh-Heon (Department of Safety Engineering, Pukyong National University) ;
  • Kang, Ji-Woong (Institute of Disaster & Accident Prevention, Pukyong National University) ;
  • Jo, Se-Jin (Undergraduate school, Department, Pukyong National University)
  • Received : 2011.03.02
  • Accepted : 2011.06.10
  • Published : 2011.06.30
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Abstract

The fuel cell is one of the green energy receiving a lot of attention. Among the fuel cells, it is generally referred to SOFC(solid oxide fuel cell) which is made up composites of a solid. SOFC has excellent merits in the side of environment and energy. However because of the high operating temperature, it has economic loss by the using of expensive materials and problems of structural instability by thermal stresses. Therefore, this study aims to the effect of analysis by the FEMLAB. The results have deformations and the maximum stresses from the variation of the thickness of vulnerability spots. The deformation shows expansion as 0.82% and the stress ${\sigma}_{xx}$ is 392MPa in electrolyte and -56.31MPa in anode. When increasing or decreasing the thickness to 50% of the reference thickness about the electrolyte which is vulnerable spots.

Keywords

References

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