کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7719436 | 1497493 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effects of the electrode configuration, phase relationship and microstructure on the polarization resistance of La0.3Ba0.7CoO3âδ as cathode material for IT-SOFC
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effects of the electrode configuration, phase relationship and microstructure on the polarization resistance of La0.3Ba0.7CoO3âδ as cathode material for IT-SOFC Effects of the electrode configuration, phase relationship and microstructure on the polarization resistance of La0.3Ba0.7CoO3âδ as cathode material for IT-SOFC](/preview/png/7719436.png)
چکیده انگلیسی
The polarization resistance of La0.3Ba0.7CoO3âδ (LBC7) as cathode material was studied by impedance spectroscopy measurements in the temperature range of 450 â¤Â T â¤Â 750 °C, in air, on samples prepared by the solid state reaction (SSR) method and a wet chemical (WC) route, using symmetrical cells with single-layer and graded composition electrodes. While the LBC7 sample prepared by the SSR method and cooled at a rate of 10 °C/min turned out to be single phase with cubic symmetry, the sample prepared by the WC route is a mixture of the cubic phase and the 2H hexagonal phase. The lowest polarization resistance at 600 °C, Rp â¼Â 0.06 Ω cm2, was obtained for the graded composition electrodes. Our results suggest that the electrode configuration is a key factor in order to reduce the polarization resistance of the LBC7 electrode material.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 39, Issue 16, 27 May 2014, Pages 8738-8743
Journal: International Journal of Hydrogen Energy - Volume 39, Issue 16, 27 May 2014, Pages 8738-8743
نویسندگان
C. Setevich, F. Prado, D.Z. de Florio,