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@INPROCEEDINGS{Lobe:863842,
      author       = {Lobe, Sandra and Dellen, Christian and Windmüller, Anna
                      and Tsai, Chih-Long and Vondahlen, Frank and Uhlenbruck,
                      Sven and Guillon, Olivier},
      title        = {{T}owards {H}igh-{E}nergy {S}olid-{S}tate {L}ithium
                      {B}atterieswith {G}arnet-type {E}lectrolytes},
      reportid     = {FZJ-2019-03820},
      year         = {2019},
      abstract     = {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.},
      month         = {Jun},
      date          = {2019-06-16},
      organization  = {XVI conference of the European Ceramic
                       Society 2019, Torino (Italy), 16 Jun
                       2019 - 20 Jun 2019},
      cin          = {IEK-1},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)1},
      url          = {https://juser.fz-juelich.de/record/863842},
}