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@ARTICLE{Adhitama:1025924,
      author       = {Adhitama, Egy and Demelash, Feleke and Brake, Tobias and
                      Arifiadi, Anindityo and Vahnstiege, Marc and Javed, Atif and
                      Winter, Martin and Wiemers-Meyer, Simon and Placke, Tobias},
      title        = {{A}ssessing {K}ey {I}ssues {C}ontributing to the
                      {D}egradation of {NCM}‐622 || {C}u {C}ells: {C}ompetition
                      {B}etween {T}ransition {M}etal {D}issolution and “{D}ead
                      {L}i” {F}ormation},
      journal      = {Advanced energy materials},
      volume       = {14},
      number       = {19},
      issn         = {1614-6832},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2024-03202},
      pages        = {2303468},
      year         = {2024},
      abstract     = {Combining LiNixCoyMn1−x−yO2 (NCM) as cathode with bare
                      Cu as anode will potentially lead to next-generation
                      batteries that are smaller, lighter, and can run for longer
                      periods on a single charge. However, maintaining high
                      performance and a long lifespan of NCM || Cu cells is
                      challenging as it can be affected by various factors from
                      both the cathode and the anode. From the cathode, it is
                      well-known that transition metal (TM) dissolution
                      accelerates cell degradation. From the anode, one of the
                      main challenges is the formation of high surface area Li
                      deposits which later transform into “inactive Li” or
                      “dead Li”. In this study, a comprehensive assessment
                      regarding these competing factors (i.e., TM deposits and
                      “dead Li”) is discussed. Accelerated TM dissolution is
                      accomplished by introducing TM-containing additives into the
                      electrolyte. The effects of these competing factors and
                      their degradation mechanism are studied quantitatively and
                      qualitatively through inductively coupled plasma, i.e.,
                      optical emission spectroscopy and mass spectrometry. The
                      “dead Li” influence is analyzed quantitatively using gas
                      chromatography. The results demonstrate the obvious
                      deleterious impact of dissolved TM ions on cell performance.
                      At the same time, “dead Li” has also become a notable
                      factor for a sudden capacity drop.},
      cin          = {IEK-12},
      ddc          = {050},
      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},
      UT           = {WOS:001202740700001},
      doi          = {10.1002/aenm.202303468},
      url          = {https://juser.fz-juelich.de/record/1025924},
}