کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10636802 | 993825 | 2005 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Physicochemical compatibility of CGO fluorite, LSM and LSCF perovskite electrode materials with La2Mo2O9 fast oxide-ion conductor
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Physicochemical compatibility of CGO fluorite, LSM and LSCF perovskite electrode materials with La2Mo2O9 fast oxide-ion conductor Physicochemical compatibility of CGO fluorite, LSM and LSCF perovskite electrode materials with La2Mo2O9 fast oxide-ion conductor](/preview/png/10636802.png)
چکیده انگلیسی
The reactivity of typical electrode materials for solid oxide fuel cells, namely La0.6Sr0.4Co0.2Fe0.8O3âδ (LSCF), La0.8Sr0.2MnO3âδ (LSM) and Ce0.9Gd0.1O1.95 (CGO), with fast oxide-ion conductor La2Mo2O9 is thoroughly studied using X-ray diffractometry. Modifications in the materials diffraction patterns and occurrence of impurity diffraction peaks are evidenced in LSCF and LSM above 700-800â°C. They are interpreted in terms of cationic migrations from one material phase to the other (typically strontium depletion/substitution), and subsequent formation of subsidiary phases (for instance strontium molybdate). With CGO no reactivity is observed up to 1000â°C. For all three electrode materials the thermal expansion coefficient (TEC) is measured from X-ray thermodiffractograms and compared to that of La2Mo2O9.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Sciences - Volume 7, Issue 10, October 2005, Pages 1216-1224
Journal: Solid State Sciences - Volume 7, Issue 10, October 2005, Pages 1216-1224
نویسندگان
Gwenaël Corbel, Samih Mestiri, Philippe Lacorre,