Protonic and Electronic Conductivities and Hydrogen Permeation of SrCe0.95-xZrxTm0.05O3-δ(0≤x≤0.40)Membrane

梁杰; 毛玲玲; 李莉; 袁文辉

doi:10.1016/S1004-9541(10)60250-9

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Protonic and Electronic Conductivities and Hydrogen Permeation of SrCe_0.95-xZr_xTm_0.05O_3-δ(0≤x≤0.40)Membrane

Updated：2026-01-06

- Protonic and Electronic Conductivities and Hydrogen Permeation of SrCe_0.95-xZr_xTm_0.05O_3-δ(0≤x≤0.40)Membrane
- Chinese Journal of Chemical Engineering Vol. 18, Issue 3, Pages: 506-510(2010)
- Affiliations：
  
  1. School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou,China,510640
  2. College of Environmental Science and Engineering, South China University of Technology,Guangzhou,China,510640
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(10)60250-9
  CLC：
- Published：2010
- Accepted：
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DOI：

Zr DOI： 10.1016/S1004-9541(10)60250-9.

摘要

Abstract

Zr-substituted

Tm-doped SrCeO

(SrCe

0.95-x

0.05

3-δ

0≤x≤0.40)were synthesized via citrate complexing method

and the membranes of SrCe

0.95-x

0.05

3-δ

were prepared by pressing followed by sintering. X-ray diffraction(XRD)was used to characterize the phase structure of sintered membrane.The microstructure of the sintered membranes was studied by scanning electron microscopy(SEM).Protonic and electronic conductivities were measured under different circumstance.Hydrogen permeation through the SrCe

0.75

0.20

0.05

3-δ

membranes was carried out using gas permeation setup.Hydrogen permeation fluxes(

) of the SrCe

0.75

0.20

0.05

3-δ

membrane reach up to 0.042 ml·min

-1

·cm

-2

at H

partial pressure of 0.4×10

-1

Pa at 900℃.The hydrogen permeation fluxes(

)obtained in this paper are slightly lower than that of SrCe0.95Tm0.05O

3-δ

on the same orders

and Zr doping can increase chemical stability of the SrCe

0.75

0.20

0.05

3-δ

membranes.

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