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@INPROCEEDINGS{Dashjav:825081,
      author       = {Dashjav, Enkhtsetseg and Gellert, Michael and Ma, Qianli
                      and Grüner, Daniel and Pristat, Sylke and Tietz, Frank},
      title        = {{P}roperties of {L}i1.5{A}l0.5{T}i1.5({PO}4)3 sheets made
                      by tape casting},
      reportid     = {FZJ-2016-07561},
      year         = {2016},
      abstract     = {Tape casting is a well-established shaping technique for
                      ceramic materials and can be scaled up with existing
                      experience. Recently we started the preparation of dense
                      electrolyte sheets for Li-ion batteries. Sol-gel prepared
                      nano-sized powder of Li1.5Al0.5Ti1.5(PO4)3 [1] was
                      successfully tape-cast using the doctor blade method. Plain
                      sintered sheets with thicknesses between 50 µm and 150 µm
                      could be fabricated with a maximum size of 10 cm². The
                      densification and ionic conductivity at different sintering
                      temperatures were investigated by microstructural analysis
                      and impedance spectroscopy, respectively. The average total
                      ionic conductivity was in the range of 0.2 mS/cm, which is
                      still lower than powder pellets [1], but already twice as
                      good as commercially available glass-ceramics [2]. The
                      results show that the density and the microstructure are
                      very sensitive to sintering temperatures and dwell time. The
                      ionic conductivities and the sintered thicknesses are
                      presented in Table 1. The highest ionic conductivity of 0.3
                      mS/cm is achieved at 1000°C sintering temperature. The
                      parameters are actually under optimization with respect to
                      higher density, better homogeneity and reduced crack
                      formation. For the mechanical stability 4 point bending
                      strength tests were carried out on samples sintered at
                      900°C with dimensions of h = 150 µm, b = 1 cm, l = 5 cm
                      resulting in a modulus of elasticity of E = 67 GPa ±14 GPa,
                      and a specific fracture resistance σb = 62 MPa ±7 MPa. The
                      stability of these sheets is promising for further use in
                      any battery design with ceramic separator.},
      month         = {Nov},
      date          = {2016-11-23},
      organization  = {Bunsen-Kolloquium: Solid-State
                       Batteries II, Frankfurt/Main (Germany),
                       23 Nov 2016 - 25 Nov 2016},
      subtyp        = {After Call},
      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)24},
      url          = {https://juser.fz-juelich.de/record/825081},
}