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Copper based conversion coatings on ferritic stainless strip steel as solid oxide fuel cell interconnects: Oxidation performance and chromium evaporation

Jan Gustav Grolig (Institutionen för kemi- och bioteknik, Oorganisk miljökemi) ; H. Abdesselam ; M. Gas ; Hannes Falk Windisch (Institutionen för kemi- och bioteknik, Oorganisk miljökemi) ; Jan Froitzheim (Institutionen för kemi- och bioteknik, Oorganisk miljökemi) ; Jan-Erik Svensson (Institutionen för kemi- och bioteknik, Oorganisk miljökemi)
ECS Transactions (1938-5862). Vol. 57 (2013), 1, p. 2339-2347.
[Konferensbidrag, refereegranskat]

Ferritic stainless steels such as Crofer 22 H or Sanergy HT have been proven to be effective interconnect materials when additionally coated. These coatings, mainly based on cobalt spinels, successfully prevent chromium evaporation and are stable for long exposure times. A new approach is using copper based spinel coatings which are promising concerning price, conductivity and stability. This investigation is dedicated to a selection of copper spinel conversion coatings, their stability and ability to prevent chromium evaporation. Chromium release was monitored in humidified air (at 850 °C) using the denuder technique. The coatings were post analysed utilizing electron microscopy.

Denna post skapades 2014-08-21. Senast ändrad 2017-09-14.
CPL Pubid: 201791


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Institutioner (Chalmers)

Institutionen för kemi- och bioteknik, Oorganisk miljökemi (2005-2014)


Oorganisk kemi

Chalmers infrastruktur

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Coated Ferritic Stainless Steels as Interconnects in Solid Oxide Fuel Cells - Material Development and Electrical Properties