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@ARTICLE{Rana:1008851,
      author       = {Rana, Moumita and Rudel, Yannik and Heuer, Philip and
                      Schlautmann, Eva and Rosenbach, Carolin and Ali, Md Yusuf
                      and Wiggers, Hartmut and Bielefeld, Anja and Zeier, Wolfgang
                      G.},
      title        = {{T}oward {A}chieving {H}igh {A}real {C}apacity in
                      {S}ilicon-{B}ased {S}olid-{S}tate {B}attery {A}nodes: {W}hat
                      {I}nfluences the {R}ate-{P}erformance?},
      journal      = {ACS energy letters},
      volume       = {8},
      number       = {7},
      issn         = {2380-8195},
      address      = {Washington, DC},
      publisher    = {American Chemical Society},
      reportid     = {FZJ-2023-02511},
      pages        = {3196 - 3203},
      year         = {2023},
      abstract     = {Achieving high areal capacity and rate performance in
                      solid-state battery electrodes is challenging due to
                      sluggish charge carrier transport through thick all-solid
                      composite electrodes, as the transport strongly relies on
                      the microstructure and porosity of the compressed composite.
                      Introducing a high-capacity material like silicon for such a
                      purpose would require fast ionic and electronic transport
                      throughout the electrode. In this work, by designing a
                      composite electrode containing Si nanoparticles, a
                      superionic solid electrolyte (SE), and a carbon additive,
                      the possibility of achieving areal capacities over 10
                      mAh·cm–2 and 4 mAh·cm–2 at current densities of 1.6
                      mA·cm–2 and 8 mA·cm–2, respectively, at room
                      temperature is demonstrated. Using DC polarization
                      measurements, impedance spectroscopy, microscopic analyses,
                      and microstructure modeling, we establish that the route to
                      achieve high-performance anode composites is microstructure
                      modulation through attaining high silicon/solid electrolyte
                      interface contacts, particle size compatibility of the
                      composite components, and their well-distributed compact
                      packing in the compressed electrode.},
      cin          = {IEK-12},
      ddc          = {333.7},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {1221 - Fundamentals and Materials (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1221},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001018988800001},
      doi          = {10.1021/acsenergylett.3c00722},
      url          = {https://juser.fz-juelich.de/record/1008851},
}