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@ARTICLE{Weiling:1047437,
      author       = {Weiling, Matthias and Lechtenfeld, Christian-Timo and
                      Stuckenberg, Silvan and Pfeiffer, Felix and Wang, Jian-Fen
                      and Nowak, Sascha and Küpers, Verena and Baghernejad,
                      Masoud},
      title        = {{D}rawing from the {O}ld‐{T}he {F}irst {E}ver {S}ultone
                      as {E}lectrolyte {A}dditive in {H}igh‐{V}oltage
                      {NMC}811 || {AG}+{S}i{O}x {M}ultilayer {P}ouch {C}ells},
      journal      = {Small},
      volume       = {21},
      number       = {41},
      issn         = {1613-6810},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2025-04300},
      pages        = {e07089},
      year         = {2025},
      abstract     = {The addition of a small amount of silicon to the anode
                      material is a widely used approach to increase the energy
                      density of lithium-ion batteries (LIBs). However, its
                      (de-)lithiation leads to volume changes, resulting in
                      structural degradation and the formation of an insufficient
                      solid-electrolyte interphase (SEI), limiting the cycle life
                      and electrochemical performance. Therefore, the formation of
                      an effective SEI is imperative to overcome these challenges.
                      Sulfur-containing electrolyte additives are garnering
                      attention due to their abundant supply and advantageous
                      chemistry in LIBs. With 1,8-naphthosultone (1,8-NS) as an
                      electrolyte additive, a notably enhanced electrochemical
                      performance in high-voltage NMC811 || artificial
                      graphite(AG) + 20 $\%$ SiOx cells is observed. Employing
                      advanced spectrometric and spectroscopic characterization
                      techniques, complemented with theoretical calculations, the
                      degradation products and pathways of 1,8-NS in the cell are
                      elucidated. This includes 1,8-NS reduction, sultone ring
                      opening, and chemical degradation with electrolyte solvent
                      degradation products. The formation of these products is
                      traced back to the SiOx anode, where an effective, layered
                      SEI with various 1,8-NS degradation products is formed. This
                      SEI is suggested to exhibit improved mechanical and
                      electrochemical parameters, resulting in the observed
                      improvement of the electrochemical performance of the
                      cells.},
      cin          = {IMD-4},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IMD-4-20141217},
      pnm          = {1221 - Fundamentals and Materials (POF4-122) / 1222 -
                      Components and Cells (POF4-122) / Elektrolytformulierungen
                      für Lithiumbatterien der nächsten Generation mit großer
                      Energiedichte und hoher Beständigkeit (13XP5129)},
      pid          = {G:(DE-HGF)POF4-1221 / G:(DE-HGF)POF4-1222 /
                      G:(BMBF)13XP5129},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {40855670},
      UT           = {WOS:001556214700001},
      doi          = {10.1002/smll.202507089},
      url          = {https://juser.fz-juelich.de/record/1047437},
}