Development of a new cost effective Fe-Cr ferritic stainless steel for SOFC interconnect

被引：55
|
作者：
Jo, Ki Hoon [1 ,2 ]
Kim, Jong Hee [2 ]
Kim, Kwang Min [2 ]
Lee, In-Sung [3 ]
Kim, Sung-Joon [1 ]
机构：
[1] POSTECH, Grad Inst Ferrous Technol, Pohang 790784, South Korea
[2] POSCO, STS Res Grp, Pohang 790300, South Korea
[3] RIST, SOFC Res Grp, Pohang 790600, South Korea
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2015年 / 40卷 / 30期
关键词：
SOFC; Interconnect; Ferrite stainless steel; Cost effective; OXIDE FUEL-CELLS; METALLIC INTERCONNECTS; OXIDATION BEHAVIOR; ALLOY; SCALES; NB; SI;
D O I：
10.1016/j.ijhydene.2015.05.125
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：
A new cost effective ferritic stainless steel for interconnect in solid oxide fuel cell (SOFC), named 460FC, has been developed and fabricated by the conventional continuous casting and rolling process. The oxidation characteristics and high temperature properties of 460FC were investigated at 800 degrees C and compared with those of Crofer22 which is a well-known representative alloy for the same application. Although the 460FC does not contain rare earth metals and does not limit the content of Si to extremely low level, it shows good electrical conductivity and low Cr evaporation rate. The performance of 460FC in the real cell was also evaluated with 25 cm(2) active area single cell test up to 500 h and the degradation rate was almost similar or superior to Crofer22. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：9523 / 9529
页数：7
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