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000009223 0247_ $$2DOI$$a10.1016/j.ssi.2010.01.026
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000009223 084__ $$2WoS$$aChemistry, Physical
000009223 084__ $$2WoS$$aPhysics, Condensed Matter
000009223 1001_ $$0P:(DE-Juel1)129580$$aUhlenbruck, S.$$b0$$uFZJ
000009223 245__ $$aApplication of electrolyte layers for solid oxide fuel cells by electron  beam evaporation
000009223 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2010
000009223 300__ $$a
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000009223 440_0 $$05565$$aSolid State Ionics$$v181$$x0167-2738$$y8
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000009223 520__ $$aA decrease in the operating temperature of solid oxide fuel cells below 700 degrees C results in a significant decrease of the output power. In this temperature regime the ionic resistance of the commonly used electrolyte yttria-stabilized zirconia becomes dominant. Therefore, it is necessary to reduce the thickness of the electrolyte layer to minimize the resistance to ionic flow as long as no alternative electrolyte materials with higher ionic conductivity negligible electronic conductivity and sufficient stability are available.In this paper electron beam physical vapour deposition is discussed as a deposition technology for thin electrolyte layers. An electrolyte composite layer was developed with a lower specific resistance in comparison to an electrolyte layer made by vacuum slip-casting. The purpose of the composite electrolyte was to fulfil both gas tightness and electronic insulation.The performance of fully-assembled anode-supported fuel cells with an electrolyte composite manufactured by electron beam evaporation was 0.93 A/cm(2) at 650 degrees C and 0.7 V. whereas the performance of cells with an electrolyte manufactured by vacuum slip-casting with a sintering step was 0.63 A/cm(2) at 650 degrees C and 0.7 V. The performance improvement was interpreted in terms of a significantly different bulk ionic resistance of the electrolyte layers. (C) 2010 Elsevier B.V. All rights reserved.
000009223 536__ $$0G:(DE-Juel1)FUEK402$$2G:(DE-HGF)$$aRationelle Energieumwandlung$$cP12$$x0
000009223 536__ $$0G:(DE-Juel1)SOFC-20140602$$aSOFC - Solid Oxide Fuel Cell (SOFC-20140602)$$cSOFC-20140602$$fSOFC$$x1
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000009223 65320 $$2Author$$aCeramics
000009223 65320 $$2Author$$aOxides
000009223 65320 $$2Author$$aPhysical vapour deposition
000009223 65320 $$2Author$$aSolid oxide fuel cells
000009223 7001_ $$0P:(DE-Juel1)VDB60975$$aJordan, N.$$b1$$uFZJ
000009223 7001_ $$0P:(DE-HGF)0$$aSerra, J.M.$$b2
000009223 7001_ $$0P:(DE-Juel1)129594$$aBuchkremer, H. P.$$b3$$uFZJ
000009223 7001_ $$0P:(DE-Juel1)129666$$aStöver, D.$$b4$$uFZJ
000009223 773__ $$0PERI:(DE-600)1500750-9$$a10.1016/j.ssi.2010.01.026$$gVol. 181$$q181$$tSolid state ionics$$v181$$x0167-2738$$y2010
000009223 8567_ $$uhttp://dx.doi.org/10.1016/j.ssi.2010.01.026
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000009223 9132_ $$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$$x0
000009223 9141_ $$y2010
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