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@ARTICLE{Gellert:850871,
      author       = {Gellert, Michael and Dashjav, Enkhetsetseg and Grüner,
                      Daniel and Ma, Qianli and Tietz, Frank},
      title        = {{C}ompatibility study of oxide and olivine cathode
                      materials with lithium aluminum titanium phosphate},
      journal      = {Ionics},
      volume       = {24},
      number       = {4},
      issn         = {1862-0760},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {FZJ-2018-04622},
      pages        = {1001 - 1006},
      year         = {2018},
      abstract     = {The compatibility of the solid electrolyte
                      Li1.5Al0.5Ti1.5(PO4)3 (LATP) with the cathode materials
                      LiCoO2, LiMn2O4, LiCoPO4, LiFePO4, and LiMn0.5Fe0.5PO4 was
                      investigated in a co-sintering study. Mixtures of LATP and
                      the different cathode materials were sintered at various
                      temperatures and subsequently analyzed by thermal analysis,
                      X-ray diffraction, and electron microscopy. Oxide cathode
                      materials display a rapid decomposition reaction with the
                      electrolyte material even at temperatures as low as 500 °C,
                      while olivine cathode materials are much more stable. The
                      oxide cathode materials tend to decompose to lithium-free
                      compounds, leaving lithium to form Li3PO4 and other metal
                      phosphates. In contrast, the olivine cathode materials
                      decompose to mixed phosphates, which can, in part, still be
                      electrochemically active. Among the olivine cathode
                      materials, LiFePO4 demonstrated the most promising results.
                      No secondary phases were detected by X-ray diffraction after
                      sintering a LATP/LiFePO4 mixture at temperatures as high as
                      700 °C. Electron microscopy revealed a small secondary
                      phase probably consisting of Li2FeTi(PO4)3, which is
                      ionically conductive and should be electrochemically active
                      as well.},
      cin          = {IEK-1 / IEK-12 / IEK-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-12-20141217 /
                      I:(DE-Juel1)IEK-2-20101013},
      pnm          = {131 - Electrochemical Storage (POF3-131) / SOFC - Solid
                      Oxide Fuel Cell (SOFC-20140602)},
      pid          = {G:(DE-HGF)POF3-131 / G:(DE-Juel1)SOFC-20140602},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000428070800005},
      doi          = {10.1007/s11581-017-2276-6},
      url          = {https://juser.fz-juelich.de/record/850871},
}