Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
권호 표지
DOI QR코드

DOI QR Code

A Study on the Initial Performance Degradation of Hydrogen-Fueled Ceramic Fuel Cell with Atomic Layer-Deposited Thin-Film Electrolyte

수소연료를 이용하는 원자층증착 박막전해질 세라믹연료전지의 초기성능 저하에 관한 연구

  • JI, SANGHOON (Department of Environmental Research, Korea Institute of Civil Engineering and Building Technology)
  • 지상훈 (한국건설기술연구원 환경연구본부)
  • Received : 2021.10.08
  • Accepted : 2021.10.20
  • Published : 2021.10.30
Download PDF
⟨ Previous Next ⟩

Abstract

The initial electrochemical performance of ceramic fuel cell with thin-film electrolyte was evaluated in terms of peak power density ratio, open circuit voltage ratio, and activation/ohmic resistance ratios at 500℃. Hydrogen and air were used as anode fuel and cathode fuel, respectively. The peak power density ratio reduced as ~17% for 40 minutes, which rapidly decreased in the early stage of the performance evaluation but gradually decreased. The open circuit voltage ratio decreased with respect time; however, its time behavior was remarkably different with the reduction behavior of the peak power density ratio. The activation resistance ratio increased as ~15% for 40 minutes, which was almost similar with the time behavior of the peak power density ratio.

Keywords

Acknowledgement

본 연구는 한국건설기술연구원 내부사업(No. 20210154, 20210524)과 한국연구재단 이공분야기초연구사업(No. NRF-2018R1D1A1B07048082)의 지원에 의하여 수행되었습니다. 아울러, 연구수행을 위한 실험 인프라를 공유해주신 서울대학교 재생에너지변환실험실 차석원 교수님께 감사드립니다.

References

  1. Y. H. Lee, I. Chang, G. Y. Cho, J. H. Park, W. Yu, W. H. Tanveer, and S. W. Cha, "Thin film solid oxide fuel cells operating below 600℃: a review", Int. J. Precis. Eng. Manuf-Green Technol, Vol. 5. 2018, pp. 441-453, doi: https://doi.org/10.1007/s40684-018-0047-0.
  2. J. W. Shin, D. Go, S. H. Kye, S. Lee, and J. An, "Review on process-microstructure-performance relationship in ALD-enginee red SOFCs", J. Phys.: Energy, Vol. 1, No. 4, 2019, pp. 1-26, doi: https://doi.org/10.1088/2515-7655/ab30a0.
  3. J. H. Shim, C.-C. Chao, H. Hong, and F. B. Prinz, "Atomic layer deposition of yttria-stabilized zirconia for solid oxide fuel cells", Chem. Mater., Vol. 19, No. 15, 2007, pp. 3850-3854, doi: https://doi.org/10.1021/cm070913t.
  4. S. W. Hong, J. W. Bae, B. J Koo, and Y. B. Kim, "High-performance ultra-thin film solid oxide fuel cell using anodized-aluminum-oxide supporting structure", Electrochem. commun., Vol. 47, 2014, pp. 1-4, doi: https://doi.org/10.1016/j.elecom.2014.07.008.
  5. J. H. Park, Y. G. Lee, I. H. Chang, G. Y. Cho, S. Ji, W. Lee, and S. W. Cha, "Atomic layer deposition of yttria-stabilized zirconia thin films for enhanced reactivity and stability of solid oxide fuel cells", Energy, Vol. 116, 2016, pp. 170-176, doi: https://doi.org/10.1016/j.energy.2016.09.094.
  6. S. H. Ji, G. Y. Cho, W. J. Yu, P.-C. Su, M. H. Lee, and S. W. Cha, "Plasma-enhanced atomic layer deposition of nanoscale yttria-stabilized zirconia electrolyte for solid oxide fuel cells with porous substrate", ACS Appl. Mater. Interfaces, Vol. 7, No. 5, 2015, pp. 2998-3002, doi: https://doi.org/10.1021/am508710s.
  7. "List of thermal expansion coefficients (CTE) for naturaland engineered materials", MSE Supplies, Retrieved from https://www.msesupplies.com/pages/list-of-thermal-expansion-coefficients-cte-for-natural-and-engineered-materials.