کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1290247 973320 2008 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Low-temperature solid oxide fuel cells with La1−xSrxMnO3 as the cathodes
موضوعات مرتبط
مهندسی و علوم پایه شیمی الکتروشیمی
پیش نمایش صفحه اول مقاله
Low-temperature solid oxide fuel cells with La1−xSrxMnO3 as the cathodes
چکیده انگلیسی

La1−xSrxMnO3 (LSM) has been widely developed as the cathode material for high-temperature solid oxide fuel cells (SOFCs) due to its chemical and mechanical compatibilities with the electrolyte materials. However, its application to low-temperature SOFCs is limited since its electrochemical activity decreases substantially when the temperature is reduced. In this work, low-temperature SOFCs based on LSM cathodes are developed by coating nanoscale samaria-doped ceria (SDC) onto the porous electrodes to significantly increase the electrode activity of both cathodes and anodes. A peak power density of 0.46 W cm−2 and area specific interfacial polarization resistance of 0.36 Ω cm2 are achieved at 600 °C for single cells consisting of Ni-SDC anodes, LSM cathodes, and SDC electrolytes. The cell performances are comparable with those obtained with cobalt-based cathodes such as Sm0.5Sr0.5CoO3, and therefore encouraging in the development of low-temperature SOFCs with high reliability and durability.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 185, Issue 2, 1 December 2008, Pages 1247–1251
نویسندگان
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