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@ARTICLE{Kubot:1024894,
      author       = {Kubot, Maximilian and Balke, Lisa and Scholz, Johannes and
                      Wiemers-Meyer, Simon and Karst, Uwe and Hayen, Heiko and
                      Hur, Hyuck and Winter, Martin and Kasnatscheew, Johannes and
                      Nowak, Sascha},
      title        = {{H}igh‐{V}oltage {I}nstability of {V}inylene {C}arbonate
                      ({VC}): {I}mpact of {F}ormed {P}oly‐{VC} on {I}nterphases
                      and {T}oxicity},
      journal      = {Advanced science},
      volume       = {11},
      number       = {1},
      issn         = {2198-3844},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2024-02545},
      pages        = {2305282},
      year         = {2024},
      note         = {Unterstützt durch BMBF Grant: “BatGasMod” (03XP0311C),
                      BMWK Grant: "Go3” (03ETE002D)},
      abstract     = {Full exhaustion in specific energy/energy density of
                      state-of-the-art LiNixCoyMnzO2 (NCM)-based Li-ion batteries
                      (LIB) is currently limited for reasons of NCM stability by
                      upper cut-off voltages (UCV) below 4.3 V. At higher UCV,
                      structural decomposition triggers electrode crosstalk in the
                      course of enhanced transition metal dissolution and leads to
                      severe specific capacity/energy fade; in the worst case to a
                      sudden death phenomenon (roll-over failure). The additive
                      lithium difluorophosphate (LiDFP) is known to suppress this
                      by scavenging dissolved metals, but at the cost of enhanced
                      toxicity due to the formation of organofluorophosphates
                      (OFPs). Addition of film-forming electrolyte additives like
                      vinylene carbonate (VC) can intrinsically decrease OFP
                      formation in thermally aged LiDFP-containing electrolytes,
                      though the benefit of this dual-additive approach can be
                      questioned at higher UCVs. In this work, VC is shown to
                      decrease the formation of potentially toxic OFPs within the
                      electrolyte during cycling at conventional UCVs but triggers
                      OFP formation at higher UCVs. The electrolyte contains
                      soluble VC-polymerization products. These products are
                      formed at the cathode during VC oxidation (and are found
                      within the cathode electrolyte interphase (CEI), suggesting
                      an OFP electrode crosstalk of VC decomposition species, as
                      the OFP-precursor molecules are shown to be formed at the
                      anode.},
      cin          = {IEK-12},
      ddc          = {624},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {1221 - Fundamentals and Materials (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1221},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37939283},
      UT           = {WOS:001096887600001},
      doi          = {10.1002/advs.202305282},
      url          = {https://juser.fz-juelich.de/record/1024894},
}