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@ARTICLE{Rosen:905551,
      author       = {Rosen, Melanie and Finsterbusch, Martin and Guillon,
                      Olivier and Fattakhova-Rohlfing, Dina},
      title        = {{F}ree standing dual phase cathode tapes – scalable
                      fabrication and microstructure optimization of garnet-based
                      ceramic cathodes},
      journal      = {Journal of materials chemistry / A},
      volume       = {10},
      number       = {5},
      issn         = {2050-7488},
      address      = {London ˜[u.a.]œ},
      publisher    = {RSC},
      reportid     = {FZJ-2022-00792},
      pages        = {2320-2326},
      year         = {2022},
      abstract     = {To make ceramic based all-solid-state batteries competitive
                      for the battery market, a shift from the separator supported
                      cell-design for lab cells to a scalable, cathode-supported
                      one is necessary to improve the energy density. Using tape
                      casting, we were able to demonstrate for the first time
                      all-ceramic free-standing LiCoO2
                      (LCO)/Li6.45Al0.05La3Zr1.6Ta0.4O12 (LLZO) mixed cathodes
                      with high capacities and active material utilization.
                      Further morphology engineering by introduction of a
                      sequential layer casting enabled us to tailor the
                      microstructure of the mixed cathodes resulting in opposite
                      concentration gradients for the active material and the
                      electrolyte over the thickness of the cathode. With this
                      optimized microstructure, we were able to increase the
                      discharge capacity of the free-standing mixed cathodes to
                      2.8 mA h cm−2 utilizing $99\%$ of the theoretical
                      capacity. For the oxide garnet-based system, both the
                      scalable fabrication method and the achieved electrochemical
                      performance demonstrates industrial relevance for the first
                      time. Additionally, the obtained free-standing cathodes have
                      sufficient mechanical stability to allow the application of
                      hybrid and ultra-thin separators to further increase the
                      energy density on the full cell level.},
      cin          = {IEK-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {1223 - Batteries in Application (POF4-122) / EProFest -
                      Evaluation von Prozessen zur Produktion von
                      Festkörperbatteriekomponenten (13XP0346B) / FestBatt-Oxide
                      - Materialplattform 'Oxide' im Rahmen des Kompetenzclusters
                      für Festkörperbatterien (13XP0173A) / LISZUBA -
                      Lithium-Schwefel-Feststoffbatterien als Zukunftsbatterie
                      (03XP0115B)},
      pid          = {G:(DE-HGF)POF4-1223 / G:(BMBF)13XP0346B / G:(BMBF)13XP0173A
                      / G:(BMBF)03XP0115B},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000722648500001},
      doi          = {10.1039/D1TA07194G},
      url          = {https://juser.fz-juelich.de/record/905551},
}