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@ARTICLE{Mcke:891042,
      author       = {Mücke, Robert and Finsterbusch, Martin and Kaghazchi,
                      Payam and Fattakhova-Rohlfing, Dina and Guillon, Olivier},
      title        = {{M}odelling electro-chemical induced stresses in
                      all-solid-state batteries: {A}nisotropy effects in cathodes
                      and cell design optimisation},
      journal      = {Journal of power sources},
      volume       = {489},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2021-01328},
      pages        = {229430},
      year         = {2021},
      abstract     = {All-solid-state lithium batteries offer promising
                      advantages in energy density and safety compared to
                      conven­tional lithium ion batteries. However, the majority
                      of this type of batteries suffers from a low cycling
                      stability, which might originate from mechanical fatigue
                      caused by mechanical stresses and strains in the rigid
                      structure. We introduce a general approach to model and
                      analyse the stresses in rigid cathode/electrolyte electrodes
                      on a cell level, which enables to develop optimised cell
                      designs with an improved mechanical stability. We apply this
                      approach on composite cathodes with a Li7La3Zr2O12 (LLZO)
                      ceramic electrolyte and LiCoO2 (LCO) active ma­terial.
                      Using the 3D microstructure of a real cathode, the stresses
                      inside a free-standing electrode and model cells with a thin
                      and a thick LLZO separator are calculated for the charging
                      cycle considering isotropic and anisotropic material
                      properties of LCO as well as non-textured and textured
                      crystallographic alignment. Compared to randomly oriented
                      crystals, the textured crystallographic alignment of LCO
                      grains, introduced by the manufacturing process, has a
                      significant effect and yields considerably better stress
                      distributions in all cell configurations investigated. The
                      design of optimised all-solid-state cells with reduced
                      separator thickness leads to a significantly more favourable
                      stress state than a typical lab scale separator-supported
                      cell.},
      cin          = {IEK-1},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {122 - Elektrochemische Energiespeicherung (POF4-122)},
      pid          = {G:(DE-HGF)POF4-122},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000619129700006},
      doi          = {10.1016/j.jpowsour.2020.229430},
      url          = {https://juser.fz-juelich.de/record/891042},
}