Facile auto-combustion synthesis for oxygen separation membrane application

Ge, Lei, Ran, Ran, Zhou, Wei, Shao, Zongping, Liu, Shaomin, Jin, Wanqin and Xu, Nanping (2009) Facile auto-combustion synthesis for oxygen separation membrane application. Journal of Membrane Science, 329 1-2: 219-227. doi:10.1016/j.memsci.2008.12.040


Author Ge, Lei
Ran, Ran
Zhou, Wei
Shao, Zongping
Liu, Shaomin
Jin, Wanqin
Xu, Nanping
Title Facile auto-combustion synthesis for oxygen separation membrane application
Journal name Journal of Membrane Science   Check publisher's open access policy
ISSN 0376-7388
Publication date 2009-03
Sub-type Article (original research)
DOI 10.1016/j.memsci.2008.12.040
Volume 329
Issue 1-2
Start page 219
End page 227
Total pages 9
Place of publication The Netherlands
Publisher Elsevier BV
Language eng
Formatted abstract
The potential application of combustion synthesis of La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) based on a modified ethylenediaminetetraacetic acid (EDTA)-citrate complexing method with NH4NO3 as combustion aid for ceramic oxygen separation membrane was systematically investigated. Depending on the relative amount of NH4NO3 applied during the synthesis, the combustion can proceed in three different modes: self-propagating combustion, volumetric combustion and smothering combustion. As a whole, electrical conductivity and oxygen permeation fluxes of derived LSCF membrane increased with sintering temperature (1000-1300 °C). Among three different combustion modes, LSCF from self-propagating combustion showed the highest sintering ability, electrical conductivity and oxygen permeability. Under optimized conditions, the derived membrane exhibited the permeation fluxes comparable to that of LSCF membrane prepared from the normal EDTA-citrate complexing method. © 2008 Elsevier B.V. All rights reserved.
Keyword Combustion synthesis
Perovskite-type Oxides
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Engineering Publications
 
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Created: Thu, 03 Sep 2009, 08:28:59 EST by Mr Andrew Martlew on behalf of School of Engineering