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@ARTICLE{Imholt:830092,
      author       = {Imholt, Laura and Röser, Stephan and Börner, Markus and
                      Streipert, Benjamin and Rezaei Rad, Babak and Winter, Martin
                      and Cekic-Laskovic, Isidora},
      title        = {{T}rimethylsiloxy based metal complexes as electrolyte
                      additives for high voltage application in lithium ion cells},
      journal      = {Electrochimica acta},
      volume       = {235},
      issn         = {0013-4686},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-03681},
      pages        = {332 - 339},
      year         = {2017},
      abstract     = {Previous studies have shown that electrolyte additives
                      based on metals and semimetals (LiBOB, Mg(TFSI)2, Al(TFSI)3)
                      as well as additives containing trimethylsiloxyl (TMS)
                      groups as ligands can have positive impact on the cycling
                      performance of lithium ion battery cells due to solid
                      electrolyte interphase (SEI) and/or cathode electrolyte
                      interphase (CEI) film forming properties and/or scavenging
                      properties towards acidic impurities. In this study, both
                      active functionalities (metal core and trialkylsiloxy based
                      ligands) were combined into one using Al, Ti and B as metal
                      cores combined with TMS ligands (M(TMS)x). All investigated
                      additives M(TMS)x were able to improve the cycling
                      performance regarding Coulombic efficiency, energy
                      efficiency and capacity retention of LiNi1/3Co1/3Mn1/3O2
                      (NCM111)/Li half-cells and NCM111/graphite full-cells at
                      high potentials (>4.3 V vs. Li/Li+). The formed CEI was
                      studied by means of electrochemical impedance spectroscopy,
                      scanning electron microscopy and X-ray photoelectron
                      spectroscopy. The obtained results indicate that the
                      investigated additives are either actively incorporated into
                      the formed CEI layer (in case of Al, Ti as metal core) or
                      interacting with decomposition products (in case of B as
                      metal core) resulting in lower charge-transfer impedance and
                      hence improved long-term cycling behavior.},
      cin          = {IEK-12},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000398330200039},
      doi          = {10.1016/j.electacta.2017.03.092},
      url          = {https://juser.fz-juelich.de/record/830092},
}