Preparation of SrCo0.8Nb0.1Ta0.1O3-δ as a Cathode for Solid Oxide Fuel Cells by Pulsed Laser Deposition

류상봉; 유원종; Arunkumar Pandiyan; 이상훈; 정원엽; 최인원; 이명석; 차석원

doi:10.7736/JKSPE.019.051

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저자정보: 류상봉 (서울대학교) 유원종 (서울대학교) Arunkumar Pandiyan (서울대학교) 이상훈 (서울대학교) 정원엽 (서울대학교) 최인원 (서울대학교) 이명석 (서울대학교) 차석원 (서울대학교)

저널정보: Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.37 No.1

발행연도: 2020.1

수록면: 83 - 87 (5page)

DOI: 10.7736/JKSPE.019.051

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Recently, new perovskite cathode material, SrCo0.8Nb0.1Ta0.1O3-δ (SCNT) was reported, showing high oxygen reduction reaction (ORR) activity. This study demonstrates thin film deposition of SCNT by pulsed laser deposition technique applied to anodic aluminum oxide (AAO) based thin-film solid oxide fuel cells (TF-SOFCs) to assess the possibility of SCNT application to TF-SOFCs. The SCNT powder and the target were prepared by the solid state reactive sintering method (SSRS). This target was then mounted to the pulsed laser depositing machine and deposited on the Si wafer, and the nano-porous substrate, AAO. The physical structure and the chemical phase were investigated by the field emission scanning electron microscope, focused ion beam scanning electron microscope, and X-ray diffraction. On the top of the AAO, thin Pt film and yttria stabilized zirconia (YSZ) were first deposited by sputtering and the SCNT was deposited on the top of it afterward. The open circuit voltage of AAO cell was tested at 500°C, and successful polarization activity of SCNT was observed.

#Solid oxide fuel cells(고체 산화물 연료전지) #Pulsed laser deposition(펄스레이저 증착) #Thin film(박막) #Oxygen reduction reaction(산소 환원 반응)

참고문헌 (21)

참고문헌 신청

O'hayre, R., Cha, S. W., Colella, W., and Prinz, F. B., “Fuel Cell Fundamentals,” John Wiley & Sons, 2016.

Stambouli, A. B. and Traversa, E., “Solid Oxide Fuel Cells (SOFCs): A Review of an Environmentally Clean and Efficient Source of Energy,” Renewable and Sustainable Energy Reviews, Vol. 6, No. 5, pp. 433-455, 2002.

Evans, A., Bieberle-Hutter, A., Rupp, J. L., and Gauckler, L. J., “Review on Microfabricated Micro-Solid Oxide Fuel Cell Membranes,” Journal of Power Sources, Vol. 194, No. 1, pp. 119-129, 2009.

Shao, Z. and Haile, S. M., “A High-Performance Cathode for the Next Generation of Solid-Oxide Fuel Cells,” Nature, pp. 170- 173, 2004.

Duan, C., Hook, D., Chen, Y., Tong, J., and O'Hayre, R., “Zr and Y Co-Doped Perovskite as a Stable, High Performance Cathode for Solid Oxide Fuel Cells Operating below 500oC,” Energy & Environmental Science, Vol. 10, No. 1, pp. 176-182, 2017.

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Sangbong Ryu

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주요연구분야 공학 > 재료·에너지공학 > 기타 재료·에너지공학 공학 > 기계공학 > 기계공학 일반

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