FERRITIC STAINLESS STEEL SOFC INTERCONNECTS WITH THERMALLY GROWN (Mn,CO)3O4 SPINEL PROTECTION LAYERS

被引：0
|
作者：
Yang, Zhenguo [1 ]
Xia, Guanguang [1 ]
Simner, Steve P. [1 ]
Stevenson, Jeffry W. [1 ]
机构：
[1] Pacific NW Natl Lab, Richland, WA 99352 USA
来源：
ADVANCES IN SOLID OXIDE FUEL CELLS | 2005年 / 26卷 / 04期
关键词：
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
To protect solid oxide fuel cells (SOFCs) from chromium poisoning and improve metallic interconnect stability, manganese cobaltite spinel protection layers with a nominal composition of Mn(1.5)Co(1.5)O(4) were thermally grown on ferritic stainless steels. Thermal, electrical and electrochemical investigations indicated that the spinel protection layers not only significantly decreased the contact resistance, but also effectively acted as a mass barrier to both the oxygen inward and the chromium outward diffusion. A long-term thermal cycling test demonstrated excellent structural and thermomechanical stability of these spinel protection layers.
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页码：201 / 208
页数：8
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