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@ARTICLE{Wu:1037569,
      author       = {Wu and Chang and Chen, Zhiqiang and Windmüller, Anna and
                      Tsai, Chih-Long and Qin, Zhizhen and Danilov, Dmitri and
                      Zhou, Lei and Daniel, Davis Thomas and Schaps, Kristian and
                      Ahmed, Jehad and Raijmakers, Luc and Yu and Tempel, Hermann
                      and Granwehr, Josef and Chen, Chunguang and Wei and Eichel,
                      Rüdiger-A. and Notten, Peter H. L.},
      title        = {{U}nderstanding {D}egradation and {E}nhancing {C}ycling
                      {S}tabilityfor {H}igh-{V}oltage {L}i{C}o{O}2-{B}ased
                      {L}i-{M}etal {B}atteries},
      journal      = {Advanced energy materials},
      volume       = {15},
      number       = {7},
      issn         = {1614-6832},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2025-00754},
      pages        = {2404028},
      year         = {2025},
      abstract     = {Improving the energy density of Lithium (Li)-ion batteries
                      (LIBs) is vital inmeeting the growing demand for
                      high-performance energy storage andconversion systems.
                      Developing high-voltage LIBs using high-capacity
                      andhigh-voltage cathode materials is promising for enhancing
                      energy density.However, conventional cathode and electrolyte
                      materials face seriousdecomposition and structural
                      degradation at high operating voltages. Herein,a dual-salts
                      electrolyte of lithium bis(fluorosulfonyl)imide and
                      lithiumbis(trifluoromethanesulfonyl)imide(LiFSI-LiTFSI) is
                      developed to improve thecycling stability of high-voltage
                      lithium cobalt oxide (LiCoO2, LCO)||Libatteries. Operando
                      X-ray diffraction analysis experiments are carried out
                      tocharacterize the structural stability of cathode
                      materials, suggesting a severeirreversible phase
                      transformation at high voltage levels. Aging
                      simulations,combined with experimental studies, suggest that
                      a fast loss of activematerials is mainly responsible for the
                      capacity loss at high voltages.Carbon-coated LCO cathodes
                      are synthesized to mitigate cycling degradation.The designed
                      LCO||Li cells exhibit a high-capacity retention of over
                      $85\%$ after400 cycles at 4 .7V. The present work provides a
                      novel insight intounderstanding the degradation and
                      enhancing the stability of high-voltageLCO-based Li-metal
                      batteries, thus facilitating their practical applications.},
      cin          = {IET-1},
      ddc          = {050},
      cid          = {I:(DE-Juel1)IET-1-20110218},
      pnm          = {1223 - Batteries in Application (POF4-122) / HITEC -
                      Helmholtz Interdisciplinary Doctoral Training in Energy and
                      Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF4-1223 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001380216200001},
      doi          = {10.1002/aenm.202404028},
      url          = {https://juser.fz-juelich.de/record/1037569},
}