Cobalt plating of high temperature stainless steel interconnects

被引:84
作者
Deng, Xiaohua [1 ]
Wei, Ping [1 ]
Bateni, M. Reza [1 ]
Petric, Anthony [1 ]
机构
[1] McMaster Univ, Dept Mat Sci & Engn, Hamilton, ON L8S 4L7, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
solid oxide fuel cells; interconnect; ferritic stainless steel; protective coatings; cobalt; spinels;
D O I
10.1016/j.jpowsour.2006.03.024
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
To limit oxidation and protect against loss of conductivity in stainless steel for applications such as high temperature fuel cell interconnects, a layer of cobalt was electroplated on the surface. When heated in air at 800 degrees C, the cobalt was converted into spinel phases containing cobalt, chromium and iron. The oxide layer was characterized by X-ray diffraction and energy dispersive spectrometry. The area specific resistance (ASR) of the samples was measured by a new technique. After 1900 It oxidation at 800 degrees C in air, the cobalt-coated UNS430 stainless steel had a clean surface and a stable ASR of 0.026 Omega cm(2) compared to uncoated UNS430 which showed a thick, porous oxide growth and an ASR more than 10-fold higher. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:1225 / 1229
页数:5
相关论文
共 12 条
[1]  
Armstrong TJ, 2003, ELEC SOC S, V2003, P841
[2]  
ARMSTRONG TJ, 2005, P S SOL OX FUEL CELL, P1795
[3]  
BASU RN, 2005, P S SOL OX FUEL CELL, P1859
[4]   Protective coating on stainless steel interconnect for SOFCs: oxidation kinetics and electrical properties [J].
Chen, X ;
Hou, PY ;
Jacobson, CP ;
Visco, SJ ;
De Jonghe, LC .
SOLID STATE IONICS, 2005, 176 (5-6) :425-433
[5]   High-temperature oxidation resistance and surface electrical conductivity of stainless steels with filtered arc Cr-Al-N multilayer and/or superlattice coatings [J].
Gannon, PE ;
Tripp, CT ;
Knospe, AK ;
Ramana, CV ;
Deibert, M ;
Smith, RJ ;
Gorokhovsky, V ;
Shutthanandan, V ;
Gelles, D .
SURFACE & COATINGS TECHNOLOGY, 2004, 188 :55-61
[6]   Effect of slurry-coated LaSrMnO3 on the electrical property of Fe-Cr alloy for metallic interconnect of SOFC [J].
Kim, JH ;
Song, RH ;
Hyun, SH .
SOLID STATE IONICS, 2004, 174 (1-4) :185-191
[7]  
Ling H., 2005, P S SOL OX FUEL CELL, P1866
[8]  
LING H, 2004, THESIS MCMASTER U
[9]  
Orlovskaya N, 2004, J AM CERAM SOC, V87, P1981
[10]  
PAULSON SC, 2003, P INT S SOL OX FUEL, P498