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@ARTICLE{Kasnatscheew:851116,
      author       = {Kasnatscheew, J. and Streipert, B. and Röser, S. and
                      Wagner, R. and Cekic-Laskovic, Isidora and Winter, M.},
      title        = {{D}etermining oxidative stability of battery electrolytes:
                      validity of common electrochemical stability window ({ESW})
                      data and alternative strategies},
      journal      = {Physical chemistry, chemical physics},
      volume       = {19},
      number       = {24},
      issn         = {1463-9076},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2018-04818},
      pages        = {16078 - 16086},
      year         = {2017},
      abstract     = {Increasing the operation voltage of electrochemical energy
                      storage devices is a viable measure to realize higher
                      specific energies and energy densities. A sufficient
                      oxidative stability of electrolytes is the predominant
                      requirement for successful high voltage applicability. The
                      common method to investigate oxidative stability of LIB
                      electrolytes is related to determination of the
                      electrochemical stability window (ESW), on e.g. Pt or
                      LiMn2O4 electrodes. However, the transferability of the
                      obtained results to practical systems is questionable for
                      several reasons. In this work, we evaluated the validity of
                      the potentiodynamic based ESW method by comparing the
                      obtained data with the results of galvanostatic based
                      techniques, applied on commercial positive electrodes. We
                      demonstrated that the oxidative stabilities, determined by
                      the two techniques, are in good accordance with each other.
                      However, the investigation of electrolytes being
                      incompatible to Li metal, renders conventional ESW
                      measurements useless when metallic Li is used as counter –
                      and reference electrode in the ESW setup. For this reason,
                      we introduced an alternative setup based on Li4Ti5O12 full
                      cells. On the example of a butyronitrile-based electrolyte,
                      we finally demonstrated that this electrolyte is not only
                      reductively but also oxidatively less stable than common
                      LiPF6/organic carbonate based electrolytes.},
      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},
      pubmed       = {pmid:28597888},
      UT           = {WOS:000403965500050},
      doi          = {10.1039/C7CP03072J},
      url          = {https://juser.fz-juelich.de/record/851116},
}