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@ARTICLE{Frankenstein:1025074,
      author       = {Frankenstein, Lars and Mohrhardt, Marvin and Peschel,
                      Christopher and Gomez Martin, Aurora and Placke, Tobias and
                      Kasnatscheew, Johannes and Winter, Martin},
      title        = {{S}trategies of {P}ractical {I}mplementation of {C}hemical
                      {P}re-{L}ithiation {U}sing {L}ithium {A}rene {C}omplex
                      {S}olutions: {A} {S}ystematic {S}tudy on {S}ilicon-{B}ased
                      {A}nodes},
      journal      = {Meeting abstracts},
      volume       = {MA2023-01},
      number       = {2},
      issn         = {1091-8213},
      address      = {Pennington, NJ},
      publisher    = {Soc.},
      reportid     = {FZJ-2024-02662},
      pages        = {519 - 519},
      year         = {2023},
      note         = {Hierbei handelt es sich lediglich um einen Abstract.},
      abstract     = {Currently, Lithium ion batteries (LIBs) are
                      state-of-the-art (SOTA) energy storage systems. There is an
                      urgent need for further improvements in terms of gravimetric
                      and volumetric energy of LIBs, for a successful market
                      penetration of electric vehicles. Therefore, development of
                      advanced negative electrode materials is of high interest.
                      Here, silicon (Si) is a promising active material to replace
                      SOTA graphite due to its ~10-fold higher specific capacity
                      and being also high abundant.However, Si undergoes severe
                      volume changes up to $280\%$ during (de-)lithiation,
                      resulting in fast capacity fading and short cycle life due
                      to the continuous re-formation of the solid electrolyte
                      interphase (SEI), leading to active lithium losses (ALL). In
                      order to counteract ALL, research is focusing on suitable
                      pre-lithiation processes. Among different pre-lithiation
                      methods, chemical pre-lithiation by application of lithium
                      arene complex (LAC) solutions is promising as it is a fast,
                      easy and cost-effective method.In this work, the stability
                      of three different solvents to produce a
                      4,4'-dimethylbiphenyl (4,4'-DMBP) LAC is investigated via
                      solid phase microextraction gas chromatography-mass
                      spectrometry method (SPME-GC-MS). The optimized LAC solution
                      is used to evaluate the stability of different binder
                      systems with respect to electrode manufacturing. Based on
                      these fundamental insights, different parameters such as the
                      reaction temperature (T) and pre-lithiation time (PL-t) are
                      systematically investigated regarding suitable degrees of
                      pre-lithiation (DOPL) of the negative electrode. DOPLs up to
                      a plateau of $55\%$ can be obtained by using 0.5 M 4,4'-DMBP
                      in tetrahydrofuran (THF) as LAC solution. Higher temperature
                      during the reaction reduces the PL-t until achieving a
                      pre-lithiation plateau. The impact of the parameters T and
                      PL-t towards the electrochemical performance of Si-based LIB
                      full cells is thoroughly investigated. It is shown that this
                      approach improves the cycle life of a silicon nanowire
                      graphite composite negative electrode up to $600\%$ compared
                      to the pristine electrodes},
      cin          = {IEK-12},
      ddc          = {540},
      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},
      doi          = {10.1149/MA2023-012519mtgabs},
      url          = {https://juser.fz-juelich.de/record/1025074},
}