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@ARTICLE{Guin:810296,
      author       = {Guin, Marie and Tietz, Frank and Guillon, Olivier},
      title        = {{N}ew promising {NASICON} material as solid electrolyte for
                      sodium-ion batteries: {C}orrelation between composition,
                      crystal structure and ionic conductivity of
                      {N}a$_{3+x}${S}c$_{2}${S}i$_{x}${P}$_{3−x}${O}$_{12}$},
      journal      = {Solid state ionics},
      volume       = {293},
      issn         = {0167-2738},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2016-03151},
      pages        = {18-26},
      year         = {2016},
      abstract     = {In the search for novel sodium-ion conductors to be used in
                      batteries for grid application, the thoroughly studied class
                      of NASICON materials is of great interest due to
                      compositional diversity and high ionic conductivity. The
                      solid solution Na3 + xSc2(SiO4)x(PO4)3 − x with 0.05 ≤ x
                      ≤ 0.8 was investigated for the first time. The various
                      compositions were synthesized by solid state reaction and
                      their crystallographic and electrical properties were
                      measured. As a result, one of the best sodium-conductive
                      NASICON materials to date was obtained for x = 0.4
                      (σNa,Total = 6.9 × 10− 4 S cm− 1 at 25 °C).
                      Furthermore, the importance of the sodium concentration and
                      size of lattice parameters on the ionic conductivity were
                      investigated. The bulk ionic conductivity was correlated
                      with the structural parameters along the conduction pathway
                      of the sodium ions and confirm the key influence of the
                      interatomic Na–O distances on sodium ion transport.},
      cin          = {IEK-1 / JARA-ENERGY / IEK-12},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$ /
                      I:(DE-Juel1)IEK-12-20141217},
      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)16},
      UT           = {WOS:000380602200004},
      doi          = {10.1016/j.ssi.2016.06.005},
      url          = {https://juser.fz-juelich.de/record/810296},
}