Study on the correlation between Solid Oxide Fuel Cell Ni-YSZ anode performance and reduction temperature

被引：2
作者：
Jiao, Zhenjun [1 ]
Ueno, Ai [2 ]
Shikazono, Naoki [1 ]
机构：
[1] Univ Tokyo, Inst Ind Sci, Meguro Ku, 4-6-1 Konraba, Tokyo 1538505, Japan
[2] Univ Tokyo, Dept Mech Engn, Bunkyo Ku, 7-3-1 Bongo, Tokyo 1138656, Japan
来源：
7TH EUROPEAN THERMAL-SCIENCES CONFERENCE (EUROTHERM2016) | 2016年 / 745卷
关键词：
SOFC; anode; TPB; Reduction temperature; NICKEL; DEGRADATION; STABILITY; PURE;
D O I：
10.1088/1742-6596/745/3/032146
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The influences of reduction temperature on the initial performance and short time durability of nickel-yttria-stabilized zirconia, composite solid oxide fuel cell anode were investigated. Anode microstructures before and after operation were quantitatively analyzed by three-dimensional reconstruction based on focused ion beam -scanning electron microscopy technique. The anode reduced at 500 degrees C showed the worst initial performance and stability in operation and the anode reduced at 800 degrees C showed the smallest polarization resistance. The anode reduced at 1000 degrees C showed the most stable performance with polarization resistance enhanced with operation. It is found that higher reduction temperature leads to dense nickel and enhances nickelyttria-stabilized-zirconia interfacial bonding, which can inhibit nickel sintering and improve the composite anode stability in long-time operation.
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页数：8
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