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000012697 084__ $$2WoS$$aElectrochemistry
000012697 084__ $$2WoS$$aEnergy & Fuels
000012697 1001_ $$0P:(DE-Juel1)VDB20698$$aHaanappel, V. A. C.$$b0$$uFZJ
000012697 245__ $$aVarious Lanthanum Ferrite-Based Cathode Materials With Ni and Cu Substitution for Anode-Supported Solid Oxide Fuel Cells
000012697 260__ $$aNew York, NY$$bASME$$c2010
000012697 300__ $$a061017 - 061020
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000012697 440_0 $$012982$$aJournal of Fuel Cell Science and Technology$$v7$$x1550-624X$$y6
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000012697 520__ $$aThe electrochemical performance of solid oxide fuel cells with cathodes made of La0.58Sr0.4Fe0.8Ni0.2O3-delta, La0.58Sr0.4Fe0.8Cu0.2O3-delta, La0.58Sr0.4Fe0.6Cu0.2Co0.2O3-delta, La0.58Sr0.4Fe0.7Cu0.1Co0.2O3-delta, and La2Ni0.6Cu0.4O4 has been investigated. As reference, electrochemical data from cells with La0.58Sr0.4Co0.2Fe0.8O3-delta cathodes were taken into account. The cathode layers were sintered at various temperatures. After testing, cross-sectional analyses were made in order to investigate microstructural changes in the various layers. Electrochemical tests have shown that only cells with a non-sintered Cu-containing cathode or with a similar cathode treated with relatively low sintering temperatures can be considered for SOFC applications. However, it was clear that the tested cells with cathodes including Cu and/or Ni showed electrochemical performance which was always lower than that of reference cells with La0.58Sr0.4Co0.2Fe0.8O3-delta cathode. No electrochemical measurements were possible with cathodes sintered at or above 1000 degrees C. Cross-sectional analyses revealed that in all these cases the presence of Cu exhibited severe chemical interaction with the electrolyte. In addition, several undesired phases were formed in the cathode as well as in the diffusion barrier layer. The extent of these phases and the interaction with the electrolyte layer increased with increasing sintering temperature. [DOI: 10.1115/1.4001355]
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000012697 536__ $$0G:(DE-Juel1)SOFC-20140602$$aSOFC - Solid Oxide Fuel Cell (SOFC-20140602)$$cSOFC-20140602$$fSOFC$$x1
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000012697 65320 $$2Author$$acomputational fluid dynamics
000012697 65320 $$2Author$$aelectrochemical impedance spectroscopy
000012697 65320 $$2Author$$asolid oxide fuel cells
000012697 65320 $$2Author$$atemperature distribution
000012697 65320 $$2Author$$atemperature measurement
000012697 65320 $$2Author$$athermometers
000012697 65320 $$2Author$$awind tunnels
000012697 7001_ $$0P:(DE-Juel1)VDB88494$$aBär, B.$$b1$$uFZJ
000012697 7001_ $$0P:(DE-Juel1)VDB22878$$aTropartz, C.$$b2$$uFZJ
000012697 7001_ $$0P:(DE-Juel1)VDB3910$$aMertens, J.$$b3$$uFZJ
000012697 7001_ $$0P:(DE-Juel1)129667$$aTietz, F.$$b4$$uFZJ
000012697 773__ $$0PERI:(DE-600)2166032-3$$a10.1115/1.4001355$$gVol. 7, p. 061017 - 061020$$p061017 - 061020$$q7<061017 - 061020$$tJournal of fuel cell science and technology$$v7$$x1550-624X$$y2010
000012697 8567_ $$uhttp://dx.doi.org/10.1115/1.4001355
000012697 8564_ $$uhttps://juser.fz-juelich.de/record/12697/files/FZJ-12697_PV.pdf$$yRestricted$$zPublished final document.
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