کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5462839 | 1517188 | 2017 | 4 صفحه PDF | دانلود رایگان |
- The SrFe0.95Nb0.05O3âδ cathode material was explored for proton-conducting SOFC.
- The cathode material shows good compatibility with BaZr0.1Ce0.7Y0.2O3âδ electrolyte.
- The single cell showed high peak power densities and low polarization resistances.
A novel cobalt-free cubic perovskite SrFe0.95Nb0.05O3âδ (SFNb) was synthesized and investigated as cathode for proton-conducting solid state fuel cell (H-SOFC) with BaZr0.1Ce0.7Y0.2O3âδ (BZCY) as the electrolyte. Anode supported NiO-BZCY/BZCY/SFNb cell was fabricated and the performance was investigated. A peak power density of 538 mW cmâ2 and a low polarization resistance of 0.23 Ω cm2 were obtained at 650 °C with hydrogen as the fuel and air as the oxidant. No obvious cell degradation was observed during the 50 h test. All the results indicated that the cobalt-free SFNb oxide is a promising cathode material for H-SOFCs.
Journal: Materials Letters - Volume 200, 1 August 2017, Pages 75-78