Journal of Hydrogen and New Energy (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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$Ba(Zr_{0.85}Y_{0.15})O_{3-\delta}$-NI Composite Membrane for Hydrogen Separation by Aerosol Deposition Method

에어로졸 증착법(Aerosol Depostion method)에 의한 $Ba(Zr_{0.85}Y_{0.15})O_{3-\delta}$-NI 수소분리막 제조

  • Park, Young-Soo (Korea Institute of Ceramic Engineering & Technology) ;
  • Choi, Jin-Sub (Nanostructured materials research lab, Chemical Engineering and Biotechnology, Inha University) ;
  • Byoun, Myoung-Sub (Korea Institute of Ceramic Engineering & Technology) ;
  • Kim, Jin-Ho (Korea Institute of Ceramic Engineering & Technology) ;
  • Hwang, Kwang-Taek (Korea Institute of Ceramic Engineering & Technology)
  • 박영수 (한국세라믹기술원 이천분원) ;
  • 최진섭 (인하대학교 생명화학공학부 나노구조 소재 연구실) ;
  • 변명섭 (한국세라믹기술원 이천분원) ;
  • 김진호 (한국세라믹기술원 이천분원) ;
  • 황광택 (한국세라믹기술원 이천분원)
  • Received : 2010.07.29
  • Accepted : 2010.08.20
  • Published : 2010.08.31
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Abstract

$(Ba(Zr_{0.85}Y_{0.15})O_{3-\delta})$ oxide, showing high protonic conductivity at high temperatures and good chemical stability with $CO_2$ are referred to as hydrogen separation membrane. For high efficiency of hydrogen separation ($H_2$ flux and selectivity) and low fabrication cost, ultimate thin and dense BZY-Ni layer has to be coated on a porous substrate such as $ZrO_2$. Aerosol depostion (AD) process is a novel technique to grow ceramic film with high density and nano-crystal structure at room-temperature, and may be applicable to the fabrication process of AD integration ceramic layer effectively. XRD, SEM, X-ray mapping measurements were conducted in order to analyze the characteristics of BZY-Ni membrane fabricated by AD process. it is observed that it is homogeneous distribution for BZY-Ni. The result of $H_2$ permeation rate suggests that BZY-Ni composite is higher than BZY.

Keywords

References

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