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@ARTICLE{Hu:862138,
      author       = {Hu, Xitao and Yan, Gang and Cheng, Xu and Malzbender,
                      Jürgen and Qiang, Wenjiang and Huang, Bingxin},
      title        = {{E}lectrochemical and {M}echanical {S}tability of
                      {L}ix{L}a0.557{T}i{O}3‐δ {P}erovskite {E}lectrolyte at
                      {V}arious {V}oltages},
      journal      = {Journal of the American Ceramic Society},
      volume       = {102},
      number       = {4},
      issn         = {1551-2916},
      address      = {Westerville, Ohio},
      publisher    = {Soc.},
      reportid     = {FZJ-2019-02492},
      pages        = {1953-1960},
      year         = {2019},
      abstract     = {Perovskite LixLa0.557TiO3 electrolytes in
                      all‐solid‐state lithium batteries are operated under a
                      voltage gradient, which potentially induces the
                      electrochemical and mechanical instability. To simulate the
                      properties of LixLa0.557TiO3 (LLTO) under application
                      relevant conditions, samples are charged (or discharged) to
                      0.2 V, 3.2 V, 4.0 V, and 4.5 V, respectively. The Li ion
                      conductivity is 9.55 × 10−5 S/cm at 3.2 V and decreases
                      obviously to 2.54 × 10−5 S/cm as the voltage increases to
                      4.5 V, whereas the value of the LLTO‐0.2 V is between that
                      of LLTO‐3.2 V and LLTO‐4.0 V. In terms of mechanical
                      behavior, elastic modulus (E), hardness (H), and fracture
                      toughness (KIC) of LLTO operated at different voltages are
                      also tested using depth‐sensitive indentation. The results
                      can be used in the designing, monitoring and also improving
                      of the battery cells},
      cin          = {IEK-2},
      ddc          = {660},
      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:000459595500044},
      doi          = {10.1111/jace.16049},
      url          = {https://juser.fz-juelich.de/record/862138},
}