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@ARTICLE{Wirtz:888328,
      author       = {Wirtz, Maike and Linhorst, Max and Veelken, Philipp and
                      Tempel, Hermann and Kungl, Hans and Moerschbacher, Bruno M.
                      and Eichel, Rüdiger‐A.},
      title        = {{P}olyethylene oxide‐{L}i 6.5 {L}a 3 {Z}r 1.5 {T}a 0.5
                      {O} 12 hybrid electrolytes: {L}ithium salt concentration and
                      biopolymer blending},
      journal      = {Electrochemical science advances},
      volume       = {1},
      number       = {2},
      issn         = {2698-5977},
      address      = {Weinheim},
      publisher    = {Wiley-VCH Verlag GmbH $\&$ Co KGaA},
      reportid     = {FZJ-2020-04847},
      pages        = {e2000029},
      year         = {2021},
      abstract     = {Hybrid electrolytes are developed to meet the requirements
                      of safety, performance, and manufacturing for electrolytes
                      suitable for Li-ion batteries with Li-anodes. Recent
                      challenges—in addition to these key properties—emphasize
                      the importance of sustainability. While compromising between
                      these three objectives, the currently available materials
                      are still well below the targeted goals. Three important
                      issues for the design of hybrid electrolytes are (i) the
                      role of the morphology and surface state of the ceramic
                      particles in the polymer matrix, (ii) the dependence of salt
                      concentration and ionic conductivity and, (iii) the effects
                      of substituting part of the polyethylene oxide (PEO), with
                      biopolymers. Electrolyte films were prepared from PEO,
                      lithium bis(trifluoromethanesulfonyl)imide (LiTFSI),
                      Li6.5La3Zr1.5Ta0.5O12 (LLZO:Ta), and biopolymers with
                      varying contents of these components by a solution casting
                      method. The films were analyzed with respect to structural
                      and microstructural characteristics by DSC, Raman
                      spectroscopy, and SEM. Ionic conductivity was evaluated by
                      electrochemical impedance spectroscopy. Most interesting,
                      when comparing films with LLZO:Ta versus without, the
                      content of LiTFSI required for the maximum conductivity in
                      the respective systems is different: a higher LiTFSI
                      concentration is required for the former type. Overall,
                      addition of LLZO:Ta as well as partial substitution of PEO
                      by chitosan mesylate or cellulose acetate decrease the ionic
                      conductivity. Thus—at least in the present approaches—a
                      loss in performance is the drawback from attempts to enhance
                      the safety by LLZO:Ta additions and sustainability by
                      biopolymer blending of hybrid electrolytes.},
      cin          = {IEK-9},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {122 - Elektrochemische Energiespeicherung (POF4-122) /
                      HITEC - Helmholtz Interdisciplinary Doctoral Training in
                      Energy and Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF4-122 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001138658600005},
      doi          = {10.1002/elsa.202000029},
      url          = {https://juser.fz-juelich.de/record/888328},
}