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@ARTICLE{Stegmaier:893834,
      author       = {Stegmaier, Sina and Schierholz, Roland and Povstugar, Ivan
                      and Barthel, Juri and Rittmeyer, Simon P. and Yu, Shicheng
                      and Wengert, Simon and Rostami, Samare and Kungl, Hans and
                      Reuter, Karsten and Eichel, Rüdiger-A. and Scheurer,
                      Christoph},
      title        = {{N}ano‐{S}cale {C}omplexions {F}acilitate {L}i
                      {D}endrite‐{F}ree {O}peration in {LATP} {S}olid‐{S}tate
                      {E}lectrolyte},
      journal      = {Advanced energy materials},
      volume       = {11},
      number       = {26},
      issn         = {1614-6840},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2021-02873},
      pages        = {2100707 -},
      year         = {2021},
      abstract     = {Dendrite formation and growth remains a major obstacle
                      toward high-performance all solid-state batteries using Li
                      metal anodes. The ceramic Li(1+x)Al(x)Ti(2−x)(PO4)3 (LATP)
                      solid-state electrolyte shows a higher than expected
                      stability against electrochemical decomposition despite a
                      bulk electronic conductivity that exceeds a recently
                      postulated threshold for dendrite-free operation. Here,
                      transmission electron microscopy, atom probe tomography, and
                      first-principles based simulations are combined to establish
                      atomistic structural models of glass-amorphous LATP grain
                      boundaries. These models reveal a nanometer-thin complexion
                      layer that encapsulates the crystalline grains. The distinct
                      composition of this complexion constitutes a sizable
                      electronic impedance. Rather than fulfilling macroscopic
                      bulk measures of ionic and electronic conduction, LATP might
                      thus gain the capability to suppress dendrite nucleation by
                      sufficient local separation of charge carriers at the
                      nanoscale.},
      cin          = {ER-C-2 / IEK-9},
      ddc          = {050},
      cid          = {I:(DE-Juel1)ER-C-2-20170209 / I:(DE-Juel1)IEK-9-20110218},
      pnm          = {5353 - Understanding the Structural and Functional Behavior
                      of Solid State Systems (POF4-535) / 1223 - Batteries in
                      Application (POF4-122)},
      pid          = {G:(DE-HGF)POF4-5353 / G:(DE-HGF)POF4-1223},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000655739200001},
      doi          = {10.1002/aenm.202100707},
      url          = {https://juser.fz-juelich.de/record/893834},
}