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Fabrication and characterization of easily sintered and stable anode-supported proton-conducting membranes
- Source :
-
Journal of Membrane Science . Jul2009, Vol. 336 Issue 1/2, p1-6. 6p. - Publication Year :
- 2009
-
Abstract
- Abstract: Proton-conducting BaCeO3 membranes with different In-doping levels (from 10 to 30%) were fabricated on NiO-based anode substrates. Indium, which was only used as a trivalent element to create oxygen vacancies in BaCeO3 previously, was found to have the function of stabilizing BaCeO3 in this study. The In-doped BaCeO3 showed improved chemical stability against CO2, while even the traditional BaCeO3 substituting with a small amount of Zr decomposed in the same environment. Furthermore, unlike other strategies for stabilizing BaCeO3, the supported In-doped BaCeO3 membrane became dense after firing at relatively low temperatures. We also investigated the influences of the sintering temperatures and the In-doping levels on the densification and the electrical properties of the supported BaCeO3 membranes, which revealed that the In-doping strategy increased both the chemical stability and sinterability for BaCeO3 with little loss of electrical performance. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 03767388
- Volume :
- 336
- Issue :
- 1/2
- Database :
- Academic Search Index
- Journal :
- Journal of Membrane Science
- Publication Type :
- Academic Journal
- Accession number :
- 39351176
- Full Text :
- https://doi.org/10.1016/j.memsci.2009.03.042