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@ARTICLE{Wu:864400,
      author       = {Wu, Xiaochao and Meledina, Maria and Barthel, Juri and Liu,
                      Zigeng and Tempel, Hermann and Kungl, Hans and Mayer,
                      Joachim and Eichel, Rüdiger-A.},
      title        = {{I}nvestigation of the {L}i-{C}o antisite exchange in
                      {F}e-substitued {L}i{C}o{PO}4 cathode for high-voltage
                      lithium ion batteries},
      journal      = {Energy storage materials},
      volume       = {22},
      issn         = {2405-8297},
      address      = {Amsterdam},
      publisher    = {Elsevier},
      reportid     = {FZJ-2019-04192},
      pages        = {138 - 146},
      year         = {2019},
      abstract     = {Carbon coated olivine Pnma LiCoPO4 (LCP/C) and
                      Fe-substituted LiCo0.8Fe0.2PO4 (LCFP/C) were synthesized by
                      a solvothermal method and their structural features and
                      electrochemical properties were investigated. The
                      electrochemical performance of LCFP/C is better than that of
                      LCP/C, owing to the partial substitution of Co by Fe which
                      effectively suppresses the increasement of antisite exchange
                      between Li+ and Co2+ ions within the structure during
                      cycling, despite a similar amount of Li–Co antisite
                      exchange in pristine LCP/C and LCFP/C samples. Furthermore,
                      direct visualization of Co in Li sites in the pristine
                      samples and after 50 cycles was achieved through
                      high-resolution scanning transmission electron microscopy
                      for both LCP/C and LCFP/C. It was found that LCP/C locally
                      formed a new cation-ordered structure after cycling due to
                      the Li–Co antisite exchange, while the structure of LCFP/C
                      remains almost the same. This study provides direct evidence
                      that Fe substitution reduced the Li–Co exchange and
                      improved the electrochemical cycling life of the LiCoPO4
                      cathode for high-voltage lithium ion batteries.},
      cin          = {IEK-9 / ER-C-2},
      ddc          = {624},
      cid          = {I:(DE-Juel1)IEK-9-20110218 / I:(DE-Juel1)ER-C-2-20170209},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000488256300014},
      doi          = {10.1016/j.ensm.2019.07.004},
      url          = {https://juser.fz-juelich.de/record/864400},
}