Inconel interconnects

Most of the initial initiatives to replace the ceramic interconnect with metallic interconnects including other alloys such as, Haynes 230, Inconel 600 have been found unsuccessful, particularly, in electrolyte-supported stacks where operation temperature is around 1000°C. In contrast, ferritic steel or some combinations of Cr-based alloys are being used by most of the developers who are testing their anode-supported structures at <750°C (Zhu et al. 2003, Anderson et al. 2003, Hilpert et al. 2003, Fergus 2005). Detailed list of commercially available ferritic steels which are found to be suitable for SOFC interconnect are given by Horita et al. (2002) Hilpert et al. (2003), Fergus (2003). This variety of steel is preferred to be used within... 

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