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@ARTICLE{Frankenberg:1047020,
      author       = {Frankenberg, Finn and Heck, Carina A. and Kissel,
                      Maximilian and Lange, Martin Alexander and Faka, Vasiliki
                      and Diener, Alexander and Haase, Philipp and Michalowski,
                      Peter and Zeier, Wolfgang G. and Janek, Jürgen and Kwade,
                      Arno},
      title        = {{T}ailoring {C}omposite {M}icrostructure {T}hrough
                      {M}illing for {D}ry‐{P}rocessed {S}ulfide‐{B}ased
                      {S}olid‐{S}tate {B}attery {C}athodes},
      journal      = {Small},
      volume       = {21},
      number       = {41},
      issn         = {1613-6810},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2025-04076},
      pages        = {e07279},
      year         = {2025},
      abstract     = {While the effects of new solid electrolytes and active
                      materials in cathode composites for solid-state batteries
                      are being intensively researched, little is known about the
                      influence of mechanical processing on the properties of
                      these composites. Here, the influence of mechanical process
                      parameters on the production of $Li_6PS_5Cl$ and
                      $LiNi_{0.83}Co_{0.11}Mn_{0.06}O_2$ composite cathodes
                      applying a planetary ball milling process is systematically
                      investigated. It is shown that the milling process has a
                      significant influence on the microstructure of the composite
                      by affecting the solid electrolyte particle size and the
                      formation of electrolyte-active material aggregates. The
                      combination of experimental results with discrete element
                      simulations shows that changes in microstructure with
                      increasing energy input result in an increase in the density
                      of heterocontacts, which improves the electrochemical
                      performance. However, if the energy input is too high, a
                      decrease in the crystallite size of $Li_6PS_5Cl$ and an
                      increase in strain in $LiNi_{0.83}Co_{0.11}Mn_{0.06}O_2$
                      have a negative impact on the electrochemical performance.
                      Subsequent dry film production of the pre-milled composites
                      reveals that a non-optimized composite can be partially
                      compensated by the high shear stresses acting during dry
                      film production. Overall, the paramount importance of
                      precisely controlling the milling process for the production
                      of cathode composites is demonstrated.},
      cin          = {IMD-4},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IMD-4-20141217},
      pnm          = {1221 - Fundamentals and Materials (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1221},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1002/smll.202507279},
      url          = {https://juser.fz-juelich.de/record/1047020},
}