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@ARTICLE{Pyschik:828985,
      author       = {Pyschik, Marcelina and Klein-Hitpaß, Marcel and Girod,
                      Sabrina and Winter, Martin and Nowak, Sascha},
      title        = {{C}apillary electrophoresis with contactless conductivity
                      detection for the quantification of fluoride in lithium ion
                      battery electrolytes and in ionic liquids-{A} comparison to
                      the results gained with a fluoride ion-selective electrode},
      journal      = {Electrophoresis},
      volume       = {38},
      number       = {3-4},
      issn         = {0173-0835},
      address      = {Weinheim},
      publisher    = {Wiley-Blackwell},
      reportid     = {FZJ-2017-02802},
      pages        = {533 - 539},
      year         = {2017},
      abstract     = {In this study, an optimized method using capillary
                      electrophoresis (CE) with a direct contactless conductivity
                      detector (C4D) for a new application field is presented for
                      the quantification of fluoride in common used lithium ion
                      battery (LIB) electrolyte using LiPF6 in organic carbonate
                      solvents and in ionic liquids (ILs) after contacted to Li
                      metal. The method development for finding the right buffer
                      and the suitable CE conditions for the quantification of
                      fluoride was investigated. The results of the concentration
                      of fluoride in different LIB electrolyte samples were
                      compared to the results from the ion-selective electrode
                      (ISE). The relative standard deviations (RSDs) and recovery
                      rates for fluoride were obtained with a very high accuracy
                      in both methods. The results of the fluoride concentration
                      in the LIB electrolytes were in very good agreement for both
                      methods. In addition, the limit of detection (LOD) and limit
                      of quantification (LOQ) values were determined for the CE
                      method. The CE method has been applied also for the
                      quantification of fluoride in ILs. In the fresh IL sample,
                      the concentration of fluoride was under the LOD. Another
                      sample of the IL mixed with Li metal has been investigated
                      as well. It was possible to quantify the fluoride
                      concentration in this sample.},
      cin          = {IEK-12},
      ddc          = {570},
      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:000396917400018},
      doi          = {10.1002/elps.201600361},
      url          = {https://juser.fz-juelich.de/record/828985},
}