001029129 001__ 1029129
001029129 005__ 20240730202716.0
001029129 037__ $$aFZJ-2024-04985
001029129 041__ $$aEnglish
001029129 1001_ $$0P:(DE-Juel1)192303$$aKucharski, Stefan$$b0$$eFirst author
001029129 1112_ $$aSolid State Ionics 2024$$cLondon$$d2024-07-15 - 2024-07-19$$gSSI24$$wUK
001029129 245__ $$aOperando X-ray Diffraction and Spectroscopy of Solid Oxide Electrolyser Cells
001029129 260__ $$c2024
001029129 3367_ $$033$$2EndNote$$aConference Paper
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001029129 520__ $$aSolid Oxide Electrolyser Cells (SOEC) can achieve unrivalled efficiency in converting renewable electrical energy to hydrogen and therefore are an indispensable part of our transition to a sustainable energy economy, but the technology is not yet fully developed. One approach to improve the performance of SOEC is using gadolinia-doped ceria (GDC) as electrolyte, since its higher ionic conductivity compared to the current standard, yttria-stabilised zirconia (YSZ), allows significantly higher electrolysis currents at a given voltage. However, GDC suffers from electrochemical expansion upon reduction; with pO2 as low as 10–19 Pa at the fuel electrode-electrolyte interface, this expansion can lead to cell cracking, limiting its lifetime. In order to design a cell that can withstand such effects, it is necessary to precisely characterize the electrochemical expansion under cathodic bias. To achieve this, we have developed an in situ cell for investigating the electrochemical expansion of GDC at relevant temperatures, in reducing gas atmosphere and with applied cathodic bias simultaneously. In our setup, the SOEC is mounted between the air compartment, which houses a heater, and the fuel compartment, which features an X-ray window for diffraction and spectroscopy. The cell is electrically contacted from both sides to monitor the cell voltage and determine the cathode overpotential. In conjunction with the X-ray techniques, operational temperature of up to 800 °C and separate air and water/hydrogen atmospheres for the air and fuel electrodes, allow conducting operando experiments on real working SOEC.
001029129 536__ $$0G:(DE-HGF)POF4-1231$$a1231 - Electrochemistry for Hydrogen (POF4-123)$$cPOF4-123$$fPOF IV$$x0
001029129 536__ $$0G:(DE-Juel1)SOFC-20140602$$aSOFC - Solid Oxide Fuel Cell (SOFC-20140602)$$cSOFC-20140602$$fSOFC$$x1
001029129 65027 $$0V:(DE-MLZ)SciArea-110$$2V:(DE-HGF)$$aChemistry$$x0
001029129 65027 $$0V:(DE-MLZ)SciArea-220$$2V:(DE-HGF)$$aInstrument and Method Development$$x1
001029129 65027 $$0V:(DE-MLZ)SciArea-240$$2V:(DE-HGF)$$aCrystallography$$x2
001029129 65017 $$0V:(DE-MLZ)GC-110$$2V:(DE-HGF)$$aEnergy$$x0
001029129 7001_ $$0P:(DE-Juel1)159368$$aSohn, Yoo Jung$$b1
001029129 7001_ $$0P:(DE-Juel1)138081$$aLenser, Christian$$b2$$eCorresponding author
001029129 7001_ $$0P:(DE-Juel1)161591$$aGuillon, Olivier$$b3
001029129 7001_ $$0P:(DE-Juel1)129636$$aMenzler, Norbert H.$$b4
001029129 909CO $$ooai:juser.fz-juelich.de:1029129$$pVDB
001029129 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)192303$$aForschungszentrum Jülich$$b0$$kFZJ
001029129 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)159368$$aForschungszentrum Jülich$$b1$$kFZJ
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001029129 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)161591$$aForschungszentrum Jülich$$b3$$kFZJ
001029129 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)129636$$aForschungszentrum Jülich$$b4$$kFZJ
001029129 9131_ $$0G:(DE-HGF)POF4-123$$1G:(DE-HGF)POF4-120$$2G:(DE-HGF)POF4-100$$3G:(DE-HGF)POF4$$4G:(DE-HGF)POF$$9G:(DE-HGF)POF4-1231$$aDE-HGF$$bForschungsbereich Energie$$lMaterialien und Technologien für die Energiewende (MTET)$$vChemische Energieträger$$x0
001029129 9141_ $$y2024
001029129 920__ $$lyes
001029129 9201_ $$0I:(DE-Juel1)IMD-2-20101013$$kIMD-2$$lWerkstoffsynthese und Herstellungsverfahren$$x0
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