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@ARTICLE{Ihrig:908647,
      author       = {Ihrig, Martin and Dashjav, Enkhtsetseg and Laptev,
                      Alexander M. and Ye, Ruijie and Grüner, Daniel and Ziegner,
                      Mirko and Odenwald, Philipp and Finsterbusch, Martin and
                      Tietz, Frank and Fattakhova-Rohlfing, Dina and Guillon,
                      Olivier},
      title        = {{I}ncreasing the performance of all-solid-state {L}i
                      batteries by infiltration of {L}i-ion conducting polymer
                      into {LFP}-{LATP} composite cathode},
      journal      = {Journal of power sources},
      volume       = {543},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2022-02736},
      pages        = {231822},
      year         = {2022},
      abstract     = {Polymer-ceramic composites combine the benefits of polymers
                      and ceramics. In particular, the infiltration of the ceramic
                      cathode with a Li-ion-conducting polymer in an
                      all-solid-state Li-ion battery enhances the utilization of
                      the cathode active material (CAM) and enables the
                      application of thicker cathodes with higher storage
                      capacity. This concept has already been validatedin our
                      earlier work, in which a
                      porousLiCoO2–Li6.45Al0.05La3Zr1.6Ta0.4O12 (LLZO:Al:Ta)
                      composite cathode was fabricated by spark plasma sintering
                      (SPS) technique. However, its performance stability was low.
                      In the present work, the concept is modified using an
                      LFP-LATP cathode with LiFePO4 as the CAM,
                      Li1.5Al0.5Ti1.5(PO4)3 as the ion-conducting phase, and
                      tapecasting with free sintering instead of SPS. Both
                      tape-casting and free sintering are more relevant for
                      largescale production. The sintered LFP-LATP cathode is
                      infiltrated with the MEEP polymer and LiC2NO4F6S2
                      ionconducting salt. A full cell with the polymer-infiltrated
                      cathode, LLZO:Al:Ta separator, and Li anode shows nearly
                      full LFP utilization in the 100 μm thick cathode with an
                      excellent area-specific storage capacity of above 3 mAh
                      cm−2. However, after a few dozen cycles, a Li dendrite
                      penetrates the separator leading to abrupt capacity fading.
                      The prevention of Li dendrite formation remains a challenge
                      for our future work.},
      cin          = {IEK-1 / IEK-2 / JARA-ENERGY},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-2-20101013 /
                      $I:(DE-82)080011_20140620$},
      pnm          = {1222 - Components and Cells (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1222},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000842883700002},
      doi          = {10.1016/j.jpowsour.2022.231822},
      url          = {https://juser.fz-juelich.de/record/908647},
}