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@ARTICLE{Reissig:1024886,
      author       = {Reissig, Friederike and Ramirez-Rico, Joaquin and Placke,
                      Tobias Johannes and Winter, Martin and Schmuch, Richard and
                      Gomez-Martin, Aurora},
      title        = {{T}he {R}ole of {P}rotective {S}urface {C}oatings on the
                      {T}hermal {S}tability of {D}elithiated {N}i-{R}ich {L}ayered
                      {O}xide {C}athode {M}aterials},
      journal      = {Batteries},
      volume       = {9},
      number       = {5},
      issn         = {2313-0105},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2024-02537},
      pages        = {245 -},
      year         = {2023},
      abstract     = {To achieve a broader public acceptance for electric
                      vehicles based on lithium-ion battery (LIB) technology, long
                      driving ranges, low cost, and high safety are needed. A
                      promising pathway to address these key parameters lies in
                      the further improvement of Ni-rich cathode materials for LIB
                      cells. Despite the higher achieved capacities and thus
                      energy densities, there are major drawbacks in terms of
                      capacity retention and thermal stability (of the charged
                      cathode) which are crucial for customer acceptance and can
                      be mitigated by protecting cathode particles. We studied the
                      impact of surface modifications on cycle life and thermal
                      stability of LiNi0.90Co0.05Mn0.05O2 layered oxide cathodes
                      with WO3 by a simple sol–gel coating process. Several
                      advanced analytical techniques such as low-energy ion
                      scattering, differential scanning calorimetry, and
                      high-temperature synchrotron X-ray powder diffraction of
                      delithiated cathode materials, as well as charge/discharge
                      cycling give significant insights into the impact of surface
                      coverage of the coatings on mitigating degradation
                      mechanisms. The results show that successful surface
                      modifications of WO3 with a surface coverage of only $20\%$
                      can prolong the cycle life of an LIB cell and play a crucial
                      role in improving the thermal stability and, hence, the
                      safety of LIBs.},
      cin          = {IEK-12},
      ddc          = {530},
      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:000995544700001},
      doi          = {10.3390/batteries9050245},
      url          = {https://juser.fz-juelich.de/record/1024886},
}