% IMPORTANT: The following is UTF-8 encoded.  This means that in the presence
% of non-ASCII characters, it will not work with BibTeX 0.99 or older.
% Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or
% “biber”.

@ARTICLE{Nlle:860247,
      author       = {Nölle, Roman and Achazi, Andreas J. and Kaghazchi, Payam
                      and Winter, Martin and Placke, Tobias},
      title        = {{P}entafluorophenyl {I}socyanate as an {E}ffective
                      {E}lectrolyte {A}dditive for {I}mproved {P}erformance of
                      {S}ilicon-{B}ased {L}ithium-{I}on {F}ull {C}ells},
      journal      = {ACS applied materials $\&$ interfaces},
      volume       = {10},
      number       = {33},
      issn         = {1944-8252},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2019-01031},
      pages        = {28187 - 28198},
      year         = {2018},
      abstract     = {Due to its high specific and volumetric capacity and
                      relatively low operation potential, silicon (Si) has
                      attracted much attention to be utilized as a high-capacity
                      anode material for lithium-ion batteries (LIBs) with
                      increased energy density. However, the application of Si
                      within commercial LIBs is still hindered by its poor cycling
                      stability related to the huge volume changes of Si upon
                      lithiation/delithiation, followed by continuous electrolyte
                      decomposition and active lithium loss at the anode side. In
                      this work, we present the application of pentafluorophenyl
                      isocyanate (PFPI) as an effective electrolyte additive for
                      lithium-ion full cells, containing a pure,
                      magnetron-sputtered Si anode and a LiNi1/3Mn1/3Co1/3O2
                      (NMC-111) cathode. The performance of the Si/NMC-111 full
                      cells is significantly improved in terms of capacity
                      retention and Coulombic efficiency by the addition of 2 wt
                      $\%$ PFPI to the baseline electrolyte and is compared to the
                      well-known additives vinylene carbonate and fluoroethylene
                      carbonate. Furthermore, it is revealed that the additive is
                      able to reduce the active lithium losses by forming an
                      effective solid–electrolyte interphase (SEI) on the Si
                      anode. X-ray photoelectron spectroscopy investigations
                      unveil that PFPI is a main part of the SEI layer, leading to
                      less active lithium immobilized within the interphase.
                      Overall, our results pave the path for a broad range of
                      different isocyanate compounds, which have not been studied
                      for Si-based anodes in lithium-ion full cells so far. These
                      compounds can be easily adjusted by modifying the chemical
                      structure and/or functional groups incorporated within the
                      molecule, to specifically tailor the SEI layer for Si-based
                      anodes in LIBs.},
      cin          = {IEK-1},
      ddc          = {600},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30044617},
      UT           = {WOS:000442706600068},
      doi          = {10.1021/acsami.8b07683},
      url          = {https://juser.fz-juelich.de/record/860247},
}