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@ARTICLE{Hu:844740,
      author       = {Hu, Xitao and Cheng, Xu and Qin, Shimin and Yan, Gang and
                      Malzbender, Jürgen and Qiang, Wenjiang and Huang, Bingxin},
      title        = {{M}echanical and {E}lectrochemical {P}roperties of {C}ubic
                      and {T}etragonal {L}ix{L}a0.557{T}i{O}3 {P}erovskite {O}xide
                      {E}lectrolytes},
      journal      = {Ceramics international},
      volume       = {44},
      number       = {2},
      issn         = {0272-8842},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2018-02120},
      pages        = {1902 - 1908},
      year         = {2018},
      abstract     = {Solid oxide electrolytes with high Li ion conductivity and
                      mechanical stability are vital for all solid-state lithium
                      ion batteries. The perovskite material LixLa0.557TiO3 with
                      various initial Li (0.303 ≤ x ≤ 0.370) is synthesized by
                      traditional solid-state reaction. The cubic and tetragonal
                      structures are prepared with fast and slow cooling,
                      respectively. The results reveal that the Li ion
                      conductivity of the cubic structure is higher. In fact, the
                      bulk conductivity of 1.65 × 10−3 S cm−1 is obtained at
                      room temperature for x = 0.350. The crystal structure is not
                      affected by the Li2O quantity. In addition, Young's modulus,
                      hardness, and fracture toughness are determined with
                      indentation method for both structures. The Young's modulus
                      increases with increasing Li2O. However, hardness and
                      fracture toughness keep a relatively stable value
                      independent of Li2O quantity},
      cin          = {IEK-2},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {111 - Efficient and Flexible Power Plants (POF3-111)},
      pid          = {G:(DE-HGF)POF3-111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000418211600090},
      doi          = {10.1016/j.ceramint.2017.10.129},
      url          = {https://juser.fz-juelich.de/record/844740},
}