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@ARTICLE{Wichmann:907419,
      author       = {Wichmann, Lennart and Brinkmann, Jan-Paul and Luo, Mingzeng
                      and Yang, Yong and Winter, Martin and Schmuch, Richard and
                      Placke, Tobias and Gomez-Martin, Aurora},
      title        = {{I}mproved {C}apacity {R}etention for a {D}isordered
                      {R}ocksalt {C}athode via {S}olvate {I}onic {L}iquid
                      {E}lectrolytes},
      journal      = {Batteries $\&$ supercaps},
      volume       = {5},
      number       = {7},
      issn         = {2566-6223},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2022-02027},
      pages        = {e202200075},
      year         = {2022},
      abstract     = {Lithium-rich disordered rocksalts (DRX) are a promising
                      class of cathode materials for high-energy lithium ion
                      batteries (LIBs) and lithium metal batteries (LMBs) due to
                      the high initial specific capacities (>200 mAh g−1) as
                      well as flexible chemical composition. However, challenges
                      concerning severe capacity fade and voltage decay upon
                      cycling at high cut-off voltages are still to be overcome.
                      Moreover, state-of-the-art carbonate-based electrolytes can
                      be decomposed by reactive oxygen species released by DRX
                      materials during cycling. In this work, the electrochemical
                      performance of Li1.25Fe0.5Nb0.25O2 (LFNO) || Li LMB and LFNO
                      || graphite LIB cells is compared for a conventional,
                      carbonate-based electrolyte and the solvate ionic liquid
                      (SIL) [Li(G3)][TFSI] (G3: triethyleneglycoldimethylether).
                      Cycle life is notably improved by the chemically more stable
                      ionic liquid electrolyte, as the anionic redox activity of
                      LFNO is prolonged compared to the carbonate-based cells.
                      This work represents an important step toward an improved
                      cycle life of DRX cathodes.},
      cin          = {IEK-12},
      ddc          = {620},
      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:000787102500001},
      doi          = {10.1002/batt.202200075},
      url          = {https://juser.fz-juelich.de/record/907419},
}