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@ARTICLE{Kubot:917541,
      author       = {Kubot, Maximilian and Frankenstein, Lars and Muschiol,
                      Elisabeth and Klein, Sven and Esselen, Melanie and Winter,
                      Martin and Nowak, Sascha and Kasnatscheew, Johannes},
      title        = {{L}ithium {D}ifluorophosphate: {B}oon for {H}igh {V}oltage
                      {L}i {I}on {B}atteries and a {B}ane for high {T}hermal
                      {S}tability/low {T}oxicity: {T}owards {S}ynergistic
                      {D}ual‐{A}dditives to {C}ircumvent this {D}ilemma},
      journal      = {ChemSusChem},
      volume       = {16},
      number       = {6},
      issn         = {1864-5631},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2023-00744},
      pages        = {e202202189},
      year         = {2023},
      note         = {Zudem gefördert durch: BMWK "Go3”(03ETE002D)},
      abstract     = {The specific energy/energy density of state-of-the-art
                      (SOTA) Li-ion batteries can be increased by raising the
                      upper charge voltage. However, instability of SOTA cathodes
                      (i. e., LiNiyCoxMnyO2; x+y+z=1; NCM) triggers electrode
                      crosstalk through enhanced transition metal (TM) dissolution
                      and contributes to severe capacity fade; in the worst case,
                      to a sudden death (“roll-over failure”). Lithium
                      difluorophosphate (LiDFP) as electrolyte additive is able to
                      boost high voltage performance by scavenging dissolved TMs.
                      However, LiDFP is chemically unstable and rapidly decomposes
                      to toxic (oligo)organofluorophosphates (OFPs) at elevated
                      temperatures; a process that can be precisely analyzed by
                      means of high-performance liquid chromatography–high
                      resolution mass spectroscopy. The toxicity of LiDFP can be
                      proven by the well-known acetylcholinesterase inhibition
                      test. Interestingly, although fluoroethylene carbonate (FEC)
                      is inappropriate for high voltage applications as a single
                      electrolyte additive due to rollover failure, it is able to
                      suppress formation of toxic OFPs. Based on this, a
                      synergistic LiDFP/FEC dual-additive approach is suggested in
                      this work, showing characteristic benefits of both
                      individual additives (good capacity retention at high
                      voltage in the presence of LiDFP and decreased OFP
                      formation/toxicity induced by FEC).},
      cin          = {IEK-12},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {1221 - Fundamentals and Materials (POF4-122) / BMBF
                      03XP0311B - BatgasMod - Batteriegasungs-Modellierung
                      (03XP0311B)},
      pid          = {G:(DE-HGF)POF4-1221 / G:(BMBF)03XP0311B},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {36533855},
      UT           = {WOS:000916026500001},
      doi          = {10.1002/cssc.202202189},
      url          = {https://juser.fz-juelich.de/record/917541},
}