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@ARTICLE{LePham:1039807,
      author       = {Le Pham, Phuong Nam and Kraft, Marvin and Zeier, Wolfgang},
      title        = {{S}i/{G}raphite {A}nodes for {S}olid-{S}tate {B}atteries:
                      {C}omposition {S}election via {E}lectrochemical and
                      {C}hemo-{M}echanical {P}roperties},
      journal      = {ACS applied materials $\&$ interfaces},
      volume       = {17},
      number       = {8},
      issn         = {1944-8244},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2025-01807},
      pages        = {12261–12270},
      year         = {2025},
      note         = {financial support within the SilKompAs funded by
                      Bundesministerium für Bildung und Forschung (BMBF project
                      03XP0486B)X-ray diffractometer was supported by the Deutsche
                      Forschungsgemeinschaft (DFG) under project number 459785385},
      abstract     = {Silicon–graphite composites are among the most widely
                      used anode materials in conventional lithium-ion batteries
                      and recently have been considered as promising candidates in
                      lithium-ion solid-state batteries. In this work, we
                      investigate the influence of the silicon content on the
                      electrochemical and chemo-mechanical behaviors of different
                      Si/graphite composites in solid-state batteries. All anode
                      composites show that an increase of Si presence in the
                      composite enhances the cyclability at a high current
                      density. Using direct-current (DC) polarization and
                      temperature-dependent electrochemical impedance
                      spectroscopy, we observe that both electronic and ionic
                      conductivities are sufficient across the composition series.
                      Operando stress measurements demonstrate how the internal
                      pressure of the anode in a solid-state battery changes as a
                      function of the Si content. Less Si (e.g., ≤10 wt $\%)$ in
                      the blended matrix offers smaller internal stress, while it
                      is significantly increased at 20 wt $\%$ of Si. This study
                      emphasizes the importance of optimizing the silicon/graphite
                      ratio in the anode composites to balance high battery
                      performance with stable chemo-mechanical properties},
      cin          = {IMD-4},
      ddc          = {600},
      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},
      pubmed       = {39951398},
      UT           = {WOS:001433113600001},
      doi          = {10.1021/acsami.4c21587},
      url          = {https://juser.fz-juelich.de/record/1039807},
}