Effect of nickel oxide/yttria-stabilized zirconia anode precursor sintering temperature on the properties of solid oxide fuel cells

被引：39

作者：

Primdahl, S ^{[1
]}

Sorensen, BF ^{[1
]}

Mogensen, M ^{[1
]}

机构：

[1] Riso Natl Lab, Dept Mat Res, DK-4000 Roskilde, Denmark

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2000年 / 83卷 / 03期

关键词：

D O I：

10.1111/j.1151-2916.2000.tb01222.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

An NiO/yttria-stabilized zirconia (YSZ) layer sintered at temperatures between 1100 degrees and 1500 degrees C onto dense YSZ electrolyte foils forms the precursor structure for a porous Ni/YSZ cermet anode for solid oxide fuel cells. Conflicting requirements for the electrochemical performance and mechanical strength of such cells are investigated. A minimum polarization resistance of 0.09 Omega.cm(2) at 1000 degrees C in moist hydrogen is obtained for sintering temperatures of 1300 degrees-1400 degrees C. The mechanical strength of the cells decreases with increased sintering temperature because of the formation of channel cracks in the electrode layers, originating in a thermal expansion coefficient mismatch between the layers.

引用

页码：489 / 494

页数：6

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