Hauptseite > Publikationsdatenbank > Towards High-Energy Solid-State Lithium Batterieswith Garnet-type Electrolytes > print

001     863842
005     20240708132752.0
037 _ _ |a FZJ-2019-03820
041 _ _ |a English
100 1 _ |a Lobe, Sandra
|0 P:(DE-Juel1)161444
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|u fzj
111 2 _ |a XVI conference of the European Ceramic Society 2019
|g ECerS 2019
|c Torino
|d 2019-06-16 - 2019-06-20
|w Italy
245 _ _ |a Towards High-Energy Solid-State Lithium Batterieswith Garnet-type Electrolytes
260 _ _ |c 2019
336 7 _ |a Abstract
|b abstract
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|s 1564127442_12190
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336 7 _ |a Conference Paper
|0 33
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520 _ _ |a The application of garnet-type electrolyte thin films was studied, targeting at solid-state batteries with high energy density. Firstly, the chemical stability window Li5La3(Zr,Ta)2O12 with the so-called high voltage cathode active material LiCoMnO4 was assessed in order to determine the temperature range for a successful combination. The materials showed different thermal stability for different compositions. Secondly, Li5La3(Zr,Ta)2O12 was deposited by a sputter deposition process as thin films. A depletion of lithium in the sputter target can occur after several depositions, which leads to decreasing Li content in the electrolyte thin films. Therefore, the target was enriched with LiOH∙H2O to compensate the lithium loss. Depositions carried out with a lithium rich target of Li5La3Ta2O12 showed the garnet structure on glass substrates after deposition at 500 °C, i.e. at significantly lower temperature compared to Li5La3Zr2O12. The garnet structure was observed on Au-coated EN 1.4767 substrates already at a substrate temperature of 400 °C, which is 300 K lower than comparable depositions of Li7La3Zr2O12, which is within the stability range of a combination of Li5La3Ta2O12 electrolytes and high-voltage spinels.
536 _ _ |a 131 - Electrochemical Storage (POF3-131)
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700 1 _ |a Dellen, Christian
|0 P:(DE-Juel1)158085
|b 1
|u fzj
700 1 _ |a Windmüller, Anna
|0 P:(DE-Juel1)165951
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700 1 _ |a Tsai, Chih-Long
|0 P:(DE-Juel1)156244
|b 3
|u fzj
700 1 _ |a Vondahlen, Frank
|0 P:(DE-Juel1)129671
|b 4
|u fzj
700 1 _ |a Uhlenbruck, Sven
|0 P:(DE-Juel1)129580
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|e Corresponding author
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700 1 _ |a Guillon, Olivier
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