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@ARTICLE{Streipert:878505,
      author       = {Streipert, Benjamin and Stolz, Lukas and Homann, Gerrit and
                      Janßen, Pia and Cekic-Laskovic, Isidora and Winter, Martin
                      and Kasnatscheew, Johannes},
      title        = {{C}onventional {E}lectrolyte and {I}nactive {E}lectrode
                      {M}aterials in {L}ithium {I}on {B}atteries: {D}etermining
                      {C}umulative {I}mpact of {O}xidative {D}ecomposition at high
                      voltage},
      journal      = {ChemSusChem},
      volume       = {13},
      number       = {19},
      issn         = {1864-564X},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2020-02884},
      pages        = {5301-5307},
      year         = {2020},
      abstract     = {High‐voltage electrodes based on, for example,
                      LiNi0.5Mn1.504 (LNMO) active material require oxidative
                      stability of inactive materials up to 4.95 V vs. Li|Li+.
                      Referring to literature, they are frequently supposed to be
                      unstable, though conclusions are still controversial and
                      clearly depend on the used investigation method. For
                      example, the galvanostatic method, as a common method in
                      battery research, points to the opposite, thus to a
                      stability of the inactive materials, which can be derived
                      from, for example, the high decomposition plateau at
                      5.56 V vs. Li|Li+ and stable performance of the LNMO
                      charge/discharge cycling. This work aims to unravel this
                      apparent contradiction of the galvanostatic method with the
                      literature by a thorough investigation of possible trace
                      oxidation reactions in cumulative manner, that is, over many
                      charge/discharge cycles. Indeed, the cumulated irreversible
                      specific capacity amounts to ≈10 mAh g−1 during the
                      initial 50 charge/discharge cycles, which is determined by
                      imitating extreme LNMO high‐voltage conditions using
                      electrodes solely consisting of inactive materials. This can
                      explain the ambiguities in stability interpretations of the
                      galvanostatic method and the literature, as the respective
                      irreversible specific capacity is obviously too low for
                      distinct detection in conventional galvanostatic approaches
                      and can be only detected at extreme high‐voltage
                      conditions. In this regard, the technique of
                      chronoamperometry is shown to be an effective and proper
                      complementary tool for electrochemical stability research in
                      a qualitative and quantitative manner.},
      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:32692891},
      UT           = {WOS:000563871600001},
      doi          = {10.1002/cssc.202001530},
      url          = {https://juser.fz-juelich.de/record/878505},
}