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@ARTICLE{Wu:844245,
      author       = {Wu, Xiaochao and Rohman, F. and Meledina, Maria and Tempel,
                      Hermann and Schierholz, Roland and Kungl, Hans and Mayer,
                      Joachim and Eichel, Rüdiger-A.},
      title        = {{A}nalysis of the effects of different carbon coating
                      strategies onstructure and electrochemical behavior of
                      {L}i{C}o{PO}4 material as a high-voltage cathode electrode
                      for lithium ion batteries},
      journal      = {Electrochimica acta},
      volume       = {279},
      issn         = {0013-4686},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2018-01686},
      pages        = {108 - 117},
      year         = {2018},
      abstract     = {The olivine polymorph LiCoPO4 was synthesized by
                      solvothermal and a subsequent annealing process. Carbon
                      free, ex-situ carbon coated and in-situ carbon coated
                      materials were prepared. With the addition of citric acid in
                      the solvothermal reaction, a carbon layer was coated via an
                      in-situ approach. To systematically compare the different
                      carbon coating routes, the structure and morphology of the
                      LiCoPO4 materials were investigated by XRD, Raman, and SEM.
                      HAADF-STEM combined with EDX was applied to analyze the
                      homogeneity of the carbon layer and corresponding antisite
                      defects. Electrochemical properties were analyzed by
                      half-cells measuring cyclic-voltammograms, charge/discharge
                      cycling behavior stability and rate-capability. It was found
                      that the in-situ carbon coated LiCoPO4/C exhibited a
                      superior electrochemical performance due to the relatively
                      uniform and complete surface-layer formation. As a result,
                      an appropriate carbon layer improves the electronic and
                      ionic transport properties, ensures fast electron-transfer
                      kinetics at the electrode particle surfaces and suppresses
                      unwanted side reactions with the electrolyte},
      cin          = {IEK-9 / ER-C-2},
      ddc          = {540},
      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:000434007000013},
      doi          = {10.1016/j.electacta.2018.05.067},
      url          = {https://juser.fz-juelich.de/record/844245},
}