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@ARTICLE{WiemersMeyer:828990,
      author       = {Wiemers-Meyer, Simon and Jeremias, Sebastian and Winter,
                      Martin and Nowak, Sascha},
      title        = {{I}nfluence of {B}attery {C}ell {C}omponents and {W}ater on
                      the {T}hermal and {C}hemical {S}tability of {L}i{PF}6
                      {B}ased {L}ithium {I}on {B}attery {E}lectrolytes},
      journal      = {Electrochimica acta},
      volume       = {222},
      issn         = {0013-4686},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-02807},
      pages        = {1267 - 1271},
      year         = {2016},
      abstract     = {Lithium ion battery electrolytes based on LiPF6 and organic
                      solvents are known to degrade at elevated temperatures. The
                      degradation reactions can be caused either chemically e.g.
                      by simple contact with battery cell components and/or
                      electrochemically during cycling. This study is focused on
                      thermally induced chemical reactions of the electrolyte with
                      different battery cell components. These reactions are
                      monitored by means of quantitative NMR spectroscopy. The
                      results allow for categorizing the influences of the
                      components according to their reactivity against HF. Inert
                      materials (graphite, carbon black, polyvinylidene
                      difluoride, polyolefinic and ceramic separator) do not show
                      any observable influence on the thermal stability of the
                      electrolyte. If the materials react with HF but the reaction
                      does not form water in significant amounts (Li metal and
                      LiNi1/3Co1/3Mn1/3O2), there is also no influence observable.
                      In contrast to that, materials, which can form water in
                      contact with HF at significant rates (glass fiber separator,
                      Si and LiFePO4), can lead to a slightly increased or even
                      severe electrolyte degradation. However, if the material
                      neutralizes the acid HF (carboxymethyl cellulose), it
                      stabilizes LiPF6 against water sources. Furthermore, the
                      results of this study show that LiPF6 is stable at
                      temperatures up to 80°C, if no water sources are present.
                      This stability is most likely also given for even higher
                      temperatures.},
      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:000395443700035},
      doi          = {10.1016/j.electacta.2016.11.100},
      url          = {https://juser.fz-juelich.de/record/828990},
}