کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7736368 | 1497971 | 2014 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of cation substitution in the A site on the oxygen semi-permeation flux in La0.5A0.5Fe0.7Ga0.3O3âδ and La0.5A0.5Fe0.7Co0.3O3âδ dense perovskite membranes with A = Ca, Sr and Ba (part I)
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of cation substitution in the A site on the oxygen semi-permeation flux in La0.5A0.5Fe0.7Ga0.3O3âδ and La0.5A0.5Fe0.7Co0.3O3âδ dense perovskite membranes with A = Ca, Sr and Ba (part I) Effect of cation substitution in the A site on the oxygen semi-permeation flux in La0.5A0.5Fe0.7Ga0.3O3âδ and La0.5A0.5Fe0.7Co0.3O3âδ dense perovskite membranes with A = Ca, Sr and Ba (part I)](/preview/png/7736368.png)
چکیده انگلیسی
Numerous mixed ionic electronic conducting materials with a perovskite structure have been investigated in the literature as potential membrane materials for oxygen separation applications. However, the effect of cation substitution in the A site of a perovskite structure on the oxygen semi-permeation flux is not clearly understood. The goal of this paper is to provide insight into the effect of cation substitution in the A-site on oxygen semi-permeation flux in La0.5A0.5Fe0.7Ga0.3O3âδ and La0.5A0.5Fe0.7Co0.3O3âδ perovskite membranes with A = Ca, Sr, and Ba. In addition, the rate-determining step in the trans-membrane oxygen transport was clearly identified based on oxygen diffusion and oxygen surface exchange coefficients for these two perovskite membrane series.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 261, 1 September 2014, Pages 175-183
Journal: Journal of Power Sources - Volume 261, 1 September 2014, Pages 175-183
نویسندگان
M. Reichmann, P.-M. Geffroy, J. Fouletier, N. Richet, T. Chartier,