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000255489 037__ $$aFZJ-2015-05651
000255489 1001_ $$0P:(DE-Juel1)161444$$aLobe, Sandra$$b0$$eCorresponding author$$ufzj
000255489 1112_ $$a20th International Conference on Solid State Ionics$$cKeystone, CO$$d2015-06-14 - 2015-06-19$$gSSI 20$$wUSA
000255489 245__ $$aSputter deposited Li7La3Zr2O$_{12}$ as electrolyte for thin film cells
000255489 260__ $$c2015
000255489 3367_ $$0PUB:(DE-HGF)1$$2PUB:(DE-HGF)$$aAbstract$$babstract$$mabstract$$s1442314000_21832
000255489 3367_ $$033$$2EndNote$$aConference Paper
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000255489 520__ $$aMost commercial state-of-the-art batteries work with a liquid organic electrolyte which might cause safety problems due to an insufficient thermal and electrochemical stability. Replacing the liquid by a solid electrolyte is one approach to overcome these problems. Next to sulfides and phosphates, oxide compounds like the garnet-structured Li7La3Zr2O12 (LLZ) are promising materials for solid electrolytes. LLZ exists in two modifications, a tetragonal and a cubic, whereby the cubic high temperature phase shows a higher Li-ion conductivity (about 10-4 S/cm). Further advantageous properties of LLZ are its thermal (up to 1050°C) and electrochemical stability (up to 8V) which allows its usage with high-voltage electrodes or in batteries at elevated temperatures. Since the conductivity is two orders of magnitude lower compared to organic electrolytes the overall resistance can be lowered by reduction to a thin electrolyte layer in all-solid-state cells.R.f. magnetron sputter deposition is one approach to coat large substrate areas with LLZ electrolyte. In order to get crack-free, dense and single phase LLZ thin films, deposition parameters need to be adjusted carefully, which is shown by x-ray diffraction (XRD), secondary ion mass spectroscopy (SIMS) and scanning electron microscopy (SEM). In our study conductivities up to 10-6 S/cm are achieved for single phase cubic thin films. Furthermore, LLZ thin films were successfully integrated into all solid state cells, which are also characterized.
000255489 536__ $$0G:(DE-HGF)POF3-131$$a131 - Electrochemical Storage (POF3-131)$$cPOF3-131$$fPOF III$$x0
000255489 536__ $$0G:(DE-Juel1)HITEC-20170406$$aHITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406)$$cHITEC-20170406$$x1
000255489 7001_ $$0P:(DE-Juel1)156244$$aTsai, Chih-Long$$b1$$ufzj
000255489 7001_ $$0P:(DE-Juel1)145623$$aFinsterbusch, Martin$$b2
000255489 7001_ $$0P:(DE-Juel1)158085$$aDellen, Christian$$b3$$ufzj
000255489 7001_ $$0P:(DE-Juel1)129580$$aUhlenbruck, Sven$$b4$$ufzj
000255489 7001_ $$0P:(DE-Juel1)162280$$aGehrke, Hans-Gregor$$b5$$ufzj
000255489 7001_ $$0P:(DE-Juel1)161591$$aGuillon, Olivier$$b6$$ufzj
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000255489 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)161444$$aForschungszentrum Jülich GmbH$$b0$$kFZJ
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000255489 9101_ $$0I:(DE-Juel1)VS-II-20090406$$6P:(DE-Juel1)145623$$aWissenschaftlicher Geschäftsbereich II$$b2$$kVS-II
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000255489 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)162280$$aForschungszentrum Jülich GmbH$$b5$$kFZJ
000255489 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)161591$$aForschungszentrum Jülich GmbH$$b6$$kFZJ
000255489 9131_ $$0G:(DE-HGF)POF3-131$$1G:(DE-HGF)POF3-130$$2G:(DE-HGF)POF3-100$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bEnergie$$lSpeicher und vernetzte Infrastrukturen$$vElectrochemical Storage$$x0
000255489 9141_ $$y2015
000255489 920__ $$lyes
000255489 9201_ $$0I:(DE-Juel1)IEK-1-20101013$$kIEK-1$$lWerkstoffsynthese und Herstellungsverfahren$$x0
000255489 9201_ $$0I:(DE-82)080011_20140620$$kJARA-ENERGY$$lJARA-ENERGY$$x1
000255489 980__ $$aabstract
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