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Spinel oxide layers for high temperature fuel cell applications

Mardare:Spinel oxide layers for high te

Autor:	Cezarina Cela Mardare
Verfügbarkeit:	Auf Lager.
Artikelnummer:	668301
ISBN / EAN:	9783639149906

Verfügbarkeit: sofort lieferbar

59,00 €

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Spinel oxide layers for high temperature fuel cell applications

Produktbeschreibung

In the last decades, Solid Oxide Fuel Cells (SOFCs)§gained an important place among the alternative§energy production sources. This is due to SOFCs wide§operation temperature range (600-1000 °C) and to the§possibility of using many types of fuels, including§various hydrocarbons. The ferritic stainless steel§interconnect is one of the main components of a SOFC§stack. Interconnects require high electrical§conductivity coatings with blocking properties§against Cr transport from the steel substrate. This§book provides a study of the oxides with spinel§structure obtained by thermal oxidation of Mn-Co-Fe§metallic thin films. The films were deposited by§magnetron co-sputtering on ZMG232L (Hitachi Metals§Ltd.®) ferritic stainless steel. The coatings §properties were studied as a function of annealing§parameters (atmosphere, temperature and time). The§most promising results to be used for stack§applications were obtained for 1 m Mn-Co coatings§deposited on pre-annealed ZMG232L. Low resistivity,§no Cr diffusion and no undesired oxide phases were§detected for these coatings. Based on the electrical§properties, the estimated lifetime of SOFCs using§these coated interconnects is 22000 h.