Journal Article

PreJuSER-28114

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Oxidation behaviour of ferrous alloys used as interconnecting material in solid oxide fuel cells

Meulenberg, W. A.FZJ* ; Uhlenbruck, S.FZJ* ; Wessel, E.FZJ* ; Buchkremer, H. P.FZJ* ; Stöver, D.FZJ*

2003
Springer Science + Business Media B.V Dordrecht [u.a.]

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Please use a persistent id in citations: doi:10.1023/A:1021879800937

Abstract: Under operating conditions in the solid oxide fuel cell (SOFC), metallic interconnect plates form electrically insulating or poor-conducting oxide scales (e.g. Cr2O3, Al2O3) at their surface which increase the contact resistance from one fuel cell membrane to the next. In order to minimize electric losses in a fuel cell stack, the formation of oxide scales on the interconnect surface must either be prevented or the oxide scale formed must have sufficient electrical conductivity. In the present work, investigations were carried out on the corrosion behaviour of different FeCrAl and FeCrMn alloys, some of which were coated with nickel (Ni). Information about ageing of these alloys on the anode side of the fuel cell was obtained by means of contact resistance measurements and scanning electron microscopy. The results reveal that FeCrMn(LaTi) alloys and Ni-coated interconnects exhibit low ageing rates and are thus suitable for use on the anode side of SOFCs. (C) 2003 Kluwer Academic Publishers.

Keyword(s): J

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Werkstoffsynthese und Herstellungsverfahren (IWV-1)
2. Werkstoffstruktur und Eigenschaften (IWV-2)

Research Program(s):

1. Brennstoffzelle (E01)
2. SOFC - Solid Oxide Fuel Cell (SOFC-20140602) (SOFC-20140602)

Appears in the scientific report 2003

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