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@INPROCEEDINGS{Reppert:281475,
      author       = {Reppert, Thorsten and Tsai, Chih-Long and Finsterbusch,
                      Martin and Uhlenbruck, Sven and Guillon, Olivier and Bram,
                      Martin},
      title        = {{T}ape casting of oxide-ceramic electrolyte layers for
                      all-solid-state lithium batteries},
      reportid     = {FZJ-2016-01168},
      year         = {2015},
      abstract     = {All-solid-state lithium batteries (ASB) have better safety
                      properties due to the incombustible solid electrolyte than
                      commercial lithium ion batteries (LIB), which use flammable
                      organic liquid as electrolyte. Their compatibility with
                      using high voltage cathode materials enables a higher energy
                      density. Oxide-ceramic lithium ion conductors such as
                      Li7La3Zr2O12 (LLZ) [1] have a good total ion conductivity of
                      about 10 4 S cm-1 at room temperature [2]. The stability of
                      LLZ when contacting lithium metal and its wide
                      electrochemical stability window (usable up to 8V vs.
                      Li/Li+) would provide higher energy densities than common
                      LIB. In combination with its advantage of inertness in
                      oxygen atmosphere, which simplifies their handling during
                      materials processing, it is one of the most promising
                      candidates for all-solid-state battery application. LLZ was
                      synthesized via solid state reaction and spray pyrolysis.
                      The structural stability and LLZ’s total ion conductivity
                      were improved by substitution of Al [2], Ta [3] and Y [4]
                      into the LLZ structure. Ta substituted LLZ indicated the
                      highest total ionic conductivity of about 10-3 S cm-1 and
                      almost no dependence on its lithium concentration. After
                      investigation of bulk electrolyte materials, an ASB
                      prototype cell using bulk LLZ as solid electrolyte was
                      fabricated at IEK-1 and proved to run an LED. To meet the
                      technical requirements of real battery systems, large size
                      LLZ functional layers need to be fabricated by different
                      established technologies. To bridge from lab works to
                      application, the investigated LLZ has been processed by tape
                      casting and was used for sintering studies, in order to
                      obtain highly dense solid electrolyte layers and also mixed
                      electrode films for prospective all-solid-state lithium
                      batteries.References:[1] Murugan et al., Angew. Chem. Int.
                      Ed. 46 (2007) 7778.[2] Hubaud et al., J. Mater. Chem. A. 1
                      (2013) 8813. [3] Buschmann et al., Phys. Chem. Chem. Phys.
                      13 (2011) 19378.[4] Murugan et. al., Electrochem. Commun. 13
                      (2011) 1373.},
      month         = {Apr},
      date          = {2015-04-27},
      organization  = {Batterietag/Kraftwerk Batterie 2015,
                       Aachen (Germany), 27 Apr 2015 - 29 Apr
                       2015},
      cin          = {IEK-1 / JARA-ENERGY},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
      pnm          = {131 - Electrochemical Storage (POF3-131) / HITEC -
                      Helmholtz Interdisciplinary Doctoral Training in Energy and
                      Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-131 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/281475},
}