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Fabrication and Evaluation of Metal-Supported SOFC

금속지지체식 SOFC 제작 및 평가

  • Choi, Jin-Hyeok (Green Growth Technology Lab. Korea Electric Power Corporation Research Institute) ;
  • Lee, Tae-Hee (Green Growth Technology Lab. Korea Electric Power Corporation Research Institute) ;
  • Choi, Mi-Hwa (Green Growth Technology Lab. Korea Electric Power Corporation Research Institute) ;
  • Yoo, Young-Sung (Green Growth Technology Lab. Korea Electric Power Corporation Research Institute)
  • 최진혁 (한국전력공사 전력연구원 녹색성장연구소) ;
  • 이태희 (한국전력공사 전력연구원 녹색성장연구소) ;
  • 최미화 (한국전력공사 전력연구원 녹색성장연구소) ;
  • 유영성 (한국전력공사 전력연구원 녹색성장연구소)
  • Received : 2010.09.06
  • Accepted : 2011.02.18
  • Published : 2011.02.28

Abstract

In this study, a metal-supported SOFC was fabricated using a relatively cheap and simple process. The adhesion process between ceramic cell and metal support was performed in high temperature over $1400^{\circ}C$ and the deformation of large metal-supported cell happened in this process. Using bi-layered metal support fabricated by diffusion bonding, the deformation of the metal-supported cell can be minimized and the sealing efficiency of anode and cathode was improved. The flatness of the cell was improved by over 20% and the maximum power density of over 0.5 $Wcm^{-2}$ was obtained at the operation condition of $800^{\circ}C$.

Keywords

References

  1. N. Q. Minh, T. Takahashi, "Science and technology of ceramic fuel cells", Elsevier, Netherlands, 1995, p. 2.
  2. 이태희, "2 모듈 스택을 이용한 SOFC 시스템 운전결과", 한국수소 및 신에너지학회 논문집, Vol. 21, No. 5, p. 405.
  3. H. Q. An, O. B. Jorg, Y. Dongfang, Y. Sing, W. Zhenwei, W. Bingwen, "Polarization analysis for metal-supported SOFCs from different fabrication processes", J. Power Sources, Vol. 177, 2008, p. 339. https://doi.org/10.1016/j.jpowsour.2007.11.092
  4. M. Sebastian, K. Bpgislaw, G. Maria, J. Piotr, "Evaluation of porous 430L stainless steel for SOFC operation at intermediate temperature", J. Power Sources, Vol. 181, p. 31.
  5. B. Marco, B. Martin, F. Jan, H. P Buchkremer, D. Stover, "Electrically conductive diffusion barrier layers for metal-supported SOFC", Solid State Ionics, Vol. 179, p. 1501.
  6. Bae J. M., Lee C. B., Korea Patent 0889266.
  7. Liu Y., Chen D. Y., "Protective coatings for $Cr_2O_3$-forming interconnects of solid oxide fuel cells", Int. J. Hydrogen Energy, Vol. 34, p. 9220.
  8. J. H. Choi, T. Lee, M. Choi, Y. S. Yoo, S. W. Baek, J. M. Bae, "Long-term performance of anode-supported SOFC integrated with metal interconnect by joining process", Int. J. Hydrogen Energy, Vol. 35, p. 4285.
  9. Choi G. M., Cho H. J., Korea Patent 0953102.
  10. 오승모, "전기화학", 자유아카데미, 대한민국, 2010, pp. 37.
  11. V. A. C. Haanappel, M. J. Smith, "A review of standardising SOFC measurement and quality assurance at FZJ", J. Power Sources, Vol. 171, p. 169.