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@ARTICLE{Meister:829001,
      author       = {Meister, Paul and Schmuelling, Guido and Winter, Martin and
                      Placke, Tobias},
      title        = {{N}ew insights into the uptake/release of {FTFSI} −
                      anions into graphite by means of in situ powder {X}-ray
                      diffraction},
      journal      = {Electrochemistry communications},
      volume       = {71},
      issn         = {1388-2481},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2017-02818},
      pages        = {52 - 55},
      year         = {2016},
      abstract     = {The redox-amphoteric character of graphite enables its
                      utilization as intercalation host for various types of
                      cations and anions to form either donor-type or
                      acceptor-type graphite intercalation compounds (GICs),
                      respectively. While the donor-type GIC LiC6 is commonly used
                      in the field of lithium ion batteries, acceptor-type GICs
                      were suggested for application in dual-ion cells. In this
                      contribution, the electrochemical
                      intercalation/de-intercalation of
                      fluorosulfonyl-(trifluoromethanesulfonyl) imide (FTFSI−)
                      anions into graphite was studied for dual-ion cells during a
                      cyclic voltammetry experiment using in situ powder X-ray
                      diffraction. For the GICs, a series of most dominant stages
                      could be assigned and the periodic repeat distance as well
                      as the FTFSI− gallery height/gallery expansion were
                      determined. The obtained dominant stage numbers of the
                      formed GICs were correlated to cell voltage ranges. Upon
                      charge, a transition of the different stages was observed,
                      while upon discharge stage 1 was still preserved for a broad
                      voltage range. These novel findings indicate different
                      mechanisms for the uptake and release of the anions.},
      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:000383445000012},
      doi          = {10.1016/j.elecom.2016.08.003},
      url          = {https://juser.fz-juelich.de/record/829001},
}