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@ARTICLE{Bger:1017340,
      author       = {Böger, Thorben and Bernges, Tim and Li, Yuheng and Canepa,
                      Pieremanuele and Zeier, Wolfgang G.},
      title        = {{T}hermal {C}onductivities of {L}ithium-{I}on-{C}onducting
                      {S}olid {E}lectrolytes},
      journal      = {ACS applied energy materials},
      volume       = {6},
      number       = {20},
      issn         = {2574-0962},
      address      = {Washington, DC},
      publisher    = {ACS Publications},
      reportid     = {FZJ-2023-04052},
      pages        = {10704 - 10712},
      year         = {2023},
      abstract     = {Solid electrolytes and solid-state batteries have gathered
                      attention in recent years as a potential alternative to
                      state-of-the-art lithium-ion batteries, given the promised
                      increased energy density and safety following the
                      replacement of flammable organic electrolytes with solids.
                      While ongoing research focuses mainly on improving the ionic
                      conductivities of solid electrolytes, little is known about
                      the thermal transport properties of this material class.
                      This includes fundamental studies of heat capacities and
                      thermal conductivities, application-oriented investigations
                      of porosity effects, and the modeling of the temperature
                      distribution in solid-state batteries during operation. To
                      expand the understanding of transport in solid electrolytes,
                      in this work, thermal properties of electrolytes in the
                      argyrodite family (Li6PS5X with X = Cl, Br, I, and
                      Li5.5PS4.5Cl1.5) and Li10GeP2S12 as a function of
                      temperature and porosity are reported. It is shown that the
                      thermal conductivities of solid electrolytes are in the
                      range of liquid electrolytes. Utilizing effective medium
                      theory to describe the porosity-dependent results, an
                      empirical predictive model is obtained, and the intrinsic
                      (bulk) thermal conductivities for all electrolytes are
                      extracted. Moreover, the temperature-independent, glass-like
                      thermal conductivities found in all materials suggest that
                      thermal transport in these ionic conductors occurs in a
                      nontextbook fashion.},
      cin          = {IEK-12},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {1221 - Fundamentals and Materials (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1221},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001082562700001},
      doi          = {10.1021/acsaem.3c01977},
      url          = {https://juser.fz-juelich.de/record/1017340},
}