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Journal of Inorganic Materials

Journal of Inorganic Materials >

2007 , Vol. 22 >Issue 6: 1243 - 1246

DOI: https://doi.org/10.3724/SP.J.1077.2007.01243

Research Paper

Hydrogen Permeation of Ni-BaCe0.9Y0.1O3-δ Cermet

  • YANG Jing ,
  • FANG Shu-Min ,
  • WU Xiu-Sheng ,
  • CHEN Chu-Sheng ,
  • LIU Wei
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  • (Lab of Advanced Functional Materials and Advices, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, China)

Received date: 2006-12-14

  Revised date: 2007-02-02

  Online published: 2007-11-20

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Abstract

Hydrogen permeation ability of Ni-BaCe0.9Y0.1O3-δ(Ni-BCY)cermet with different Ni volume ratios were investigated at intermediate temperatures (600--750℃). The experimental results show that proton-electronic mixed conductors are formed when Ni volume ratio is up to 25%, and the hydrogen permeation rate reaches the highest when Ni volume ratio is 30%. The hydrogen permeation measurement results of Ni-BCY(40/60) cermet with different thicknesses indicate that the bulk diffusion controls hydrogen permeation when thicknesses of samples are above 0.6mm, however, as reducing sample thickness to 0.36mm or less hydrogen permeation is controlled by surface exchange process.

Key words： Ni-BaCe0.9Y0.1O3-δ cermet; volume ratio; hydrogen separation

Cite this article

YANG Jing , FANG Shu-Min , WU Xiu-Sheng , CHEN Chu-Sheng , LIU Wei . Hydrogen Permeation of Ni-BaCe0.9Y0.1O3-δ Cermet[J]. Journal of Inorganic Materials, 2007 , 22(6) : 1243 -1246 . DOI: 10.3724/SP.J.1077.2007.01243

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