کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1465577 989698 2007 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A support layer for solid oxide fuel cells
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
A support layer for solid oxide fuel cells
چکیده انگلیسی

The use of a perforated, ceramic layer, laminated on top of a porous electrode, as a support structure for solid oxide fuel cells is described. The support layer can be used on either the anode or cathode side and allows for the fabrication of mechanically robust, impregnated electrodes. Using fuel cells based on yttria-stabilized zirconia (YSZ), we demonstrate that the support layer can be made from YSZ or from a composite of YSZ and La0.3Sr0.7TiO3 (LST). It is shown that there is no solid-state reaction between LST and YSZ, even after calcination at 1550 °C. Unlike pure LST, LST–YSZ composites can form a laminated structure on porous YSZ. Unlike pure YSZ, a dense LST–YSZ composite with 60-wt% LST exhibited an electronic conductivity of 7.6 S/cm at 700 °C after reduction in H2 at 1000 °C, making the composite layer attractive for current collection in anode-supported cells.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 33, Issue 6, August 2007, Pages 1065–1070
نویسندگان
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