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@ARTICLE{Odenwald:902550,
      author       = {Odenwald, Philipp and Ma, Qianli and Davaasuren, Bambar and
                      Dashjav, Enkhtsetseg and Tietz, Frank and Wolff, Michael and
                      Rheinheimer, Wolfgang and Uhlenbruck, Sven and Guillon,
                      Olivier and Fattakhova-Rohlfing, Dina},
      title        = {{T}he {I}mpact of {L}ithium {T}ungstate on the
                      {D}ensification and {C}onductivity of {P}hosphate {L}ithium
                      {I}on {C}onductors},
      journal      = {ChemElectroChem},
      volume       = {9},
      number       = {5},
      issn         = {2196-0216},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2021-04351},
      pages        = {e202101366},
      year         = {2022},
      abstract     = {Phosphate lithium ion conductors are outstanding
                      electrolyte materials for solid-state lithium batteries. As
                      polycrystalline ceramics, they have to be sintered at high
                      temperatures. Lithium tungstate Li 2 WO 4 (LWO) is reported
                      for the first time as an effective sintering aid to reduce
                      the sintering temperature for one of the most common
                      solid-state lithium ion conductors, Li 1.5 Al 0.5 Ti 1.5 (PO
                      4 ) 3 (LATP). While densification of LATP without sintering
                      aids requires temperatures of at least 950°C to obtain a
                      relative density of $90\%,$ here relative densities of
                      $90-95\%$ are achieved even at 775°C when 5 $wt.\%$ of LWO
                      is added. At 800°C the LATP containing 5 - 7 $wt.\%$ LWO
                      densifies to a relative density of $97.2\%.$ The ionic
                      conductivity of LWO containing LATP is generally higher than
                      that of pure LATP sintered at the same temperature. LATP
                      containing 7 $wt.\%$ LWO shows high ionic conductivity of
                      4.4 × 10 -4 S/cm after sintering at 825°C. A significant
                      reduction in sintering temperature, an increase in density
                      and in the ionic conductivity of LATP as well as its non
                      toxicity render LWO a very promising sintering aid for the
                      development of LATP-based solid state batteries.},
      cin          = {IEK-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {1221 - Fundamentals and Materials (POF4-122) / 1222 -
                      Components and Cells (POF4-122) / FestBatt-Oxide -
                      Materialplattform 'Oxide' im Rahmen des Kompetenzclusters
                      für Festkörperbatterien (13XP0173A)},
      pid          = {G:(DE-HGF)POF4-1221 / G:(DE-HGF)POF4-1222 /
                      G:(BMBF)13XP0173A},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000733391400001},
      doi          = {10.1002/celc.202101366},
      url          = {https://juser.fz-juelich.de/record/902550},
}