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@ARTICLE{WiemersMeyer:828996,
      author       = {Wiemers-Meyer, S. and Winter, M. and Nowak, S.},
      title        = {{M}echanistic insights into lithium ion battery electrolyte
                      degradation – a quantitative {NMR} study},
      journal      = {Physical chemistry, chemical physics},
      volume       = {18},
      number       = {38},
      issn         = {1463-9084},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2017-02813},
      pages        = {26595 - 26601},
      year         = {2016},
      abstract     = {The changes in electrolyte composition on the molecular
                      level and the reaction mechanisms of electrolyte degradation
                      upon thermal aging are monitored by quantitative NMR
                      spectroscopy, revealing similar rates of degradation for
                      pristine and already aged electrolytes. The data analysis is
                      not in favor of an autocatalytic reaction mechanism based on
                      OPF3 but rather indicates that the degradation of LiPF6 in
                      carbonate based solvents proceeds via a complex sequence of
                      “linear” reactions rather than a cyclic reaction pattern
                      which is determined by the amount of water present in the
                      samples. All investigated electrolytes are reasonably stable
                      at temperatures of up to 60 °C in the presence of minor
                      amounts or absence of water hence indicating that chemical
                      instability of electrolyte components against water is
                      decisive for degradation and an increase in temperature
                      (“thermal aging”) just accelerates the degradation
                      impact of water.},
      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:000385175000027},
      doi          = {10.1039/C6CP05276B},
      url          = {https://juser.fz-juelich.de/record/828996},
}