Oxygen-Ion Conducting Electrolyte Materials for Solid Oxide Fuel Cells

被引:146
作者
Badwal, S. P. S. [1 ]
Ciacchi, F. T. [1 ]
机构
[1] CSIRO, Clayton, Vic 3168, Australia
关键词
D O I
10.1007/BF02375543
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Oxygen-ion conducting solid electrolyte systems have been reviewed with specific emphasis on their use in solid oxide fuel cells. The relationships between phase assemblage, electrolyte stability and ionic conductivity have been discussed. The role of parameters such as sintering temperature and atmosphere which influence the segregation of impurities, present in the starting ceramic powders, at grain boundaries and at the external surface of the electrolyte compacts has been emphasised. The stability of various electrolyte materials in contact with other fuel cell components and in fuel environments has been discussed in detail. The ageing behaviour at fuel cell operating temperatures has been described. Data on ionic conductivity, mechanical and thermal properties have been presented for a number of electrolyte materials.
引用
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页码:1 / 21
页数:21
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