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      Metallic materials in solid oxide fuel cells

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          Abstract

          Fe-Cr alloys with variations in chromium content and additions of different elements were studied for potential application in intermediate temperature Solid Oxide Fuel Cell (SOFC). Recently, a new type of FeCrMn(Ti/La) based ferritic steels has been developed to be used as construction material for SOFC interconnects. In the present paper, the long term oxidation resistance of this class of steels in both air and simulated anode gas will be discussed and compared with the behaviour of a number of commercial available ferritic steels. Besides, in-situ studies were carried out to characterize the high temperature conductivity of the oxide scales formed under these conditions. Main emphasis will be put on the growth and adherence of the oxide scales formed during exposure, their contact resistance at service temperature as well as their interaction with various perovskite type contact materials. Additionally, parameters and protection methods in respect to the volatilization of chromia based oxide scales will be illustrated.

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          Most cited references 6

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          Solid State Ionics

           S Badwal,  S Jiang,  R. DELLER (2001)
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            Materials and Corrosion

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              Solid State Ionics

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                mr
                Materials Research
                Mat. Res.
                ABM, ABC, ABPol (São Carlos )
                1980-5373
                March 2004
                : 7
                : 1
                : 203-208
                Affiliations
                [1 ] Forschungszentrum Jülich Institute for Materials and Processes in Energy Sytems
                Article
                S1516-14392004000100027
                10.1590/S1516-14392004000100027
                Product
                Product Information: website
                Categories
                ENGINEERING, CHEMICAL
                MATERIALS SCIENCE, MULTIDISCIPLINARY
                METALLURGY & METALLURGICAL ENGINEERING

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