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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Powder Synthesis and Membrane Deposition of BaCe0.9Y0.1O2.95 and SrCe0.9Y0.1O2.95 System for Hydrogen Separation Application

수소분리용 BaCe0.9Y0.1O2.95 및 SrCe0.9Y0.1O2.95 분말 합성 및 분리막 증착

  • Kang, Kyung-Min (Dept. of Hydrogen & Fuel Cell Technology, Dongshin University) ;
  • Yun, Young-Hoon (Dept. of Hydrogen & Fuel Cell Technology, Dongshin University)
  • 강경민 (동신대학교 수소에너지학과) ;
  • 윤영훈 (동신대학교 수소에너지학과)
  • Received : 2011.09.30
  • Accepted : 2011.12.27
  • Published : 2011.12.31
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Abstract

Mixed-conducting oxide powders, $BaCe_{0.9}Y_{0.1}O_{2.95}$ (BCY) and $SrCe_{0.9}Y_{0.1}O_{2.95}$ (SCY) powders have been prepared by a solid-state reaction method. Xray diffraction patterns of the prepared powders showed the sharp peaks of the $BaCe_{0.9}Y_{0.1}O_{2.95}$ and $SrCe_{0.9}Y_{0.1}O_{2.95}$ phases. The oxide powders that were prepared by attrition milling showed rather large particles and severe necking between particles in FE-SEM images as well as residual reactant ($BaCO_3$) and secondary phases ($SrCeO_3$ and $CeO_2$) in XRD patterns. The oxide powders prepared using ball milling showed particles under approximately 500 nm and typical XRD patterns of the $BaCe_{0.9}Y_{0.1}O_{2.95}$ and $SrCe_{0.9}Y_{0.1}O_{2.95}$ phases. Ceramic membranes of the $BaCe_{0.9}Y_{0.1}O_{2.95}$ and $SrCe_{0.9}Y_{0.1}O_{2.95}$ phases were fabricated by the aerosol deposition method using the oxide powders synthesized.

Keywords

References

  1. H. Iwahara, T. Esaka, H. Uchida, N. Maeda, Proton conduction in sintered oxides and its application to steam electrolysis for hydrogen production, Solid State Ionics 3-4 Vol. 10, 1981, pp. 359-363. https://doi.org/10.1016/0167-2738(81)90113-2
  2. J. Guan, S.E. Dorris, U. Balachandran, M. Liu, The effects of dopants and A:B site nonstoichiometry on properties of perovskite-type proton conductors, J. Electrochem. Soc. Vol. 5, 1998, pp. 1780-1786.
  3. G. Chiodelli, L. Malavasi, C. Tealdi, S. Barison, M. Battagliarin, L. Doubova, M. Fabrizio, C. Mortalo', R. Gerbasi, Role of synthetic route on the transport properties of BaCe1-xYxO3 proton conductor, J. Alloys Compd. 470 Vol. 2, 2009, pp. 477-485. https://doi.org/10.1016/j.jallcom.2008.03.011
  4. J. Akedo, M. Lebedev, A. Iwata, H. Ogiso, S. Nakano, Aerosol deposition method (ADM) for nano-crystal ceramics coating without firing, Mater. Res. Soc. Symp. Proc. Vol. 779 2003, pp. 289-299.
  5. J. Akedo, Aerosol deposition method for fabrication of nano crystal ceramic layer, Mater. Sci. Forum 2004, pp. 43-48.
  6. J. Akedo, Aerosol deposition of ceramic thick films at room temperature: densification mechanism of ceramic layers, J. Am. Ceram. Soc. Vol. 89, 2006, pp. 1834-1839. https://doi.org/10.1111/j.1551-2916.2006.01030.x
  7. JIHO KIM, DUCKKYUN CHOI, JINHO KIM, WOOSEOK CHO, KWANGTAEK HWANG, "복합전도성 세라믹 분리막의 탄화수소 직접분해에 의한 고순도 수소와 탄소 제조" 한국수소 및 신에너지 학회, Vol. 22, 2011, No. 5, pp. 649-655.
  8. 박영수, 최진섭, 변명섭, 김진호, 황광택, "Aerosol Depostion Method)에 의한 Ba(Zr0.85Y0.15))O3- $\delta$ - Ni 수소분리막 제조" 한국수소 및 신에너지학회, Vol. 21, No. 4, 2010, pp. 271-277.
  9. H. G. Bohn and T. Schober, "lectrical Conductivity of the High Temperature Proton Conductor $BaZr_{0.9}Y_{0.1}O_{2.95}$," J. Am. Ceram. Soc. Vol. 83, 2002, pp. 768-772.
  10. 변명섭, 강은태, 조우석, 김진호, 황광택, "$BaCeO_{3}$ 계 프로톤 전도 산화물의 화학적 불안정성." 한국수소 및 신에너지 학회, Vol. 22, 2011, No. 1, pp. 92-99.