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@ARTICLE{Streipert:878605,
      author       = {Streipert, Benjamin and Röser, Stephan and Kasnatscheew,
                      Johannes and Janßen, Pia and Cao, Xia and Wagner, Ralf and
                      Cekic-Laskovic, Isidora and Winter, Martin},
      title        = {{I}nfluence of {L}i{PF} 6 on the {A}luminum {C}urrent
                      {C}ollector {D}issolution in {H}igh {V}oltage {L}ithium
                      {I}on {B}atteries after {L}ong-{T}erm {C}harge/{D}ischarge
                      {E}xperiments},
      journal      = {Journal of the Electrochemical Society},
      volume       = {164},
      number       = {7},
      issn         = {1945-7111},
      address      = {Bristol},
      publisher    = {IOP Publishing},
      reportid     = {FZJ-2020-02943},
      pages        = {A1474 - A1479},
      year         = {2017},
      abstract     = {The long-term influence of the most commonly used
                      conducting salt in electrolyte formulations, lithium
                      hexafluorophosphate, on the aluminum current collector
                      stability in high voltage lithium ion batteries was
                      investigated. By means of different surface sensitive
                      techniques (scanning electron microscopy, atomic force
                      microscopy and X-ray photoelectron spectroscopy), after 1003
                      simulated charge/discharge cycles, anodic aluminum
                      dissolution was found to take place at elevated potential
                      (4.95 V vs. Li/Li+) but only to a minor extent. Pitting of
                      the Al collector could be assessed in the nanometer range.
                      Furthermore, it could be revealed that local pit formation
                      is related to local "native" grooves on the aluminum foil,
                      which develop during the production process of the aluminum
                      foil. The obtained results were evaluated and compared to a
                      reference electrolyte containing the alternative conducting
                      salt lithium bis(trifluoromethanesulfonyl)imide. Our
                      findings imply two possible mechanisms for the occurring Al
                      dissolution behavior at elevated potentials. Either, an
                      accelerated aluminum dissolution process, or a continuous
                      passivation/LiPF6-decomposition process.},
      cin          = {IEK-12},
      ddc          = {660},
      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:000404397300016},
      doi          = {10.1149/2.0671707jes},
      url          = {https://juser.fz-juelich.de/record/878605},
}