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@ARTICLE{Wagner:828986,
      author       = {Wagner, Ralf and Korth, Martin and Streipert, Benjamin and
                      Kasnatscheew, Johannes and Gallus, Dennis R. and Brox,
                      Sebastian and Amereller, Marius and Cekic-Laskovic, Isidora
                      and Winter, Martin},
      title        = {{I}mpact of {S}elected {L}i{PF} $_{6}$ {H}ydrolysis
                      {P}roducts on the {H}igh {V}oltage {S}tability of
                      {L}ithium-{I}on {B}attery {C}ells},
      journal      = {ACS applied materials $\&$ interfaces},
      volume       = {8},
      number       = {45},
      issn         = {1944-8252},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2017-02803},
      pages        = {30871 - 30878},
      year         = {2016},
      abstract     = {Diverse LiPF6 hydrolysis products evolve during lithium-ion
                      battery cell operation at elevated operation temperatures
                      and high operation voltages. However, their impact on the
                      formation and stability of the electrode/electrolyte
                      interfaces is not yet investigated and understood. In this
                      work, literature-known hydrolysis products of LiPF6 dimethyl
                      fluorophosphate (DMFP) and diethyl fluorophosphate (DEFP)
                      were synthesized and characterized. The use of DMFP and DEFP
                      as electrolyte additive in 1 M LiPF6 in EC:EMC (1:1, by wt)
                      was investigated in LiNi1/3Mn1/3Co1/3O2/Li half cells. When
                      charged to a cutoff potential of 4.6 V vs Li/Li+, the
                      additive containing cells showed improved cycling stability,
                      increased Coulombic efficiencies, and prolonged shelf life.
                      Furthermore, low amounts (1 wt $\%$ in this study) of the
                      aforementioned additives did not show any negative effect on
                      the cycling stability of graphite/Li half cells. DMFP and
                      DEFP are susceptible to oxidation and contribute to the
                      formation of an effective cathode/electrolyte interphase as
                      confirmed by means of electrochemical stability window
                      determination, and X-ray photoelectron spectroscopy
                      characterization of pristine and cycled electrodes, and they
                      are supported by computational calculations.},
      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:000388429600024},
      doi          = {10.1021/acsami.6b09164},
      url          = {https://juser.fz-juelich.de/record/828986},
}