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000012255 0247_ $$2DOI$$a10.1115/1.3182731
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000012255 041__ $$aeng
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000012255 084__ $$2WoS$$aElectrochemistry
000012255 084__ $$2WoS$$aEnergy & Fuels
000012255 1001_ $$0P:(DE-Juel1)VDB65357$$aFroitzheim, J.$$b0$$uFZJ
000012255 245__ $$aAnode Side Diffusion Barrier Coating for Solid Oxide Fuel Cells Interconnects
000012255 260__ $$aNew York, NY$$bASME$$c2010
000012255 300__ $$a031020-I
000012255 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000012255 440_0 $$012982$$aJournal of Fuel Cell Science and Technology$$v7$$x1550-624X$$y3
000012255 500__ $$aRecord converted from VDB: 12.11.2012
000012255 520__ $$aDuring the operation of solid oxide fuel cells (SOFCs) the Ni base anode and/or Ni-mesh is in direct contact with the ferritic steel interconnect or the metallic substrate. For assuring long-term stack operation a diffusion barrier layer with high electronic conductivity may be needed to impede interdiffusion between the various components. A pre-oxidation layer on the ferritic steel turned out to be not viable as a barrier layer since a Ni-layer tends to dissociate the oxide scale. Therefore the potential of ceria as a diffusion barrier layer for the anode side of the SOFC was estimated. The barrier properties of a ceria coating between the Ni and the ferritic steel Crofer 22 APU were tested for 1000 h in Ar-4H(2)-2H(2)O at 800 degrees C. Conductivity experiments were performed in the same atmosphere at different temperatures. After long-term exposures no indication of interdiffusion between Ni and ferritic steel could be detected, however, sputtered coatings on ferritic steel substrates showed significantly lower conductivities than bulk ceria samples because of void formation between the ceria and the oxide on the steel surface. The latter could be prevented by an intermediate copper layer, which resulted in overall area specific resistance values lower than 20 m cm(2) after 100 h exposure at 800 degrees C.
000012255 536__ $$0G:(DE-Juel1)FUEK402$$2G:(DE-HGF)$$aRationelle Energieumwandlung$$cP12$$x0
000012255 536__ $$0G:(DE-Juel1)SOFC-20140602$$aSOFC - Solid Oxide Fuel Cell (SOFC-20140602)$$cSOFC-20140602$$fSOFC$$x1
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000012255 650_7 $$2WoSType$$aJ
000012255 65320 $$2Author$$aargon
000012255 65320 $$2Author$$acerium compounds
000012255 65320 $$2Author$$aelectrical conductivity
000012255 65320 $$2Author$$aelectrochemical electrodes
000012255 65320 $$2Author$$airon alloys
000012255 65320 $$2Author$$anickel
000012255 65320 $$2Author$$aoxidation
000012255 65320 $$2Author$$asolid oxide fuel cells
000012255 7001_ $$0P:(DE-Juel1)VDB2712$$aNiewolak, L.$$b1$$uFZJ
000012255 7001_ $$0P:(DE-Juel1)VDB81095$$aBrandner, M.$$b2$$uFZJ
000012255 7001_ $$0P:(DE-Juel1)129795$$aSingheiser, L.$$b3$$uFZJ
000012255 7001_ $$0P:(DE-Juel1)129782$$aQuadakkers, W. J.$$b4$$uFZJ
000012255 773__ $$0PERI:(DE-600)2166032-3$$a10.1115/1.3182731$$gVol. 7, p. 031020-I$$p031020-I$$q7<031020-I$$tJournal of fuel cell science and technology$$v7$$x1550-624X$$y2010
000012255 8567_ $$uhttp://dx.doi.org/10.1115/1.3182731
000012255 8564_ $$uhttps://juser.fz-juelich.de/record/12255/files/FZJ-12255_PV.pdf$$yRestricted$$zPublished final document.
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000012255 9131_ $$0G:(DE-Juel1)FUEK402$$bEnergie$$kP12$$lRationelle Energieumwandlung$$vRationelle Energieumwandlung$$x0
000012255 9132_ $$0G:(DE-HGF)POF3-135$$1G:(DE-HGF)POF3-130$$2G:(DE-HGF)POF3-100$$aDE-HGF$$bForschungsbereich Energie$$lSpeicher und vernetzte Infrastrukturen$$vFuel Cells$$x0
000012255 9141_ $$y2010
000012255 915__ $$0StatID:(DE-HGF)0010$$aJCR/ISI refereed
000012255 9201_ $$0I:(DE-Juel1)IEK-2-20101013$$gIEK$$kIEK-2$$lWerkstoffstruktur und -eigenschaften$$x1
000012255 9201_ $$0I:(DE-82)080011_20140620$$gJARA$$kJARA-ENERGY$$lJülich-Aachen Research Alliance - Energy$$x2
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