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@ARTICLE{Trk:904180,
      author       = {Türk, Hanna and Schmidt, Franz-Philipp and Götsch, Thomas
                      and Girgsdies, Frank and Hammud, Adnan and Ivanov, Danail
                      and Vinke, Izaak C. and de Haart, L. G. J. and Eichel,
                      Rüdiger-A. and Reuter, Karsten and Schlögl, Robert and
                      Knop-Gericke, Axel and Scheurer, Christoph and Lunkenbein,
                      Thomas},
      title        = {{C}omplexions at the {E}lectrolyte/{E}lectrode {I}nterface
                      in {S}olid {O}xide {C}ells},
      journal      = {Advanced materials interfaces},
      volume       = {8},
      number       = {18},
      issn         = {2196-7350},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2021-05750},
      pages        = {2100967 -},
      year         = {2021},
      abstract     = {Rapid deactivation presently limits a wide spread use of
                      high-temperature solid oxide cells (SOCs) as otherwise
                      highly efficient chemical energy converters. With
                      deactivation triggered by the ongoing conversion reactions,
                      an atomic-scale understanding of the active triple-phase
                      boundary between electrolyte, electrode, and gas phase is
                      essential to increase cell performance. Here, a multi-method
                      approach is used comprising transmission electron microscopy
                      and first-principles calculations and molecular simulations
                      to untangle the atomic arrangement of the prototypical SOC
                      interface between a lanthanum strontium manganite (LSM)
                      anode and a yttria-stabilized zirconia (YSZ) electrolyte in
                      the as-prepared state after sintering. An interlayer of
                      self-limited width with partial amorphization and strong
                      compositional gradient is identified, thus exhibiting the
                      characteristics of a complexion that is stabilized by the
                      confinement between two bulk phases. This offers a new
                      perspective to understand the function of SOCs at the atomic
                      scale. Moreover, it opens up a hitherto unrealized design
                      space to tune the conversion efficiency.},
      cin          = {IEK-9},
      ddc          = {600},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {1232 - Power-based Fuels and Chemicals (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1232},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000689640100001},
      doi          = {10.1002/admi.202100967},
      url          = {https://juser.fz-juelich.de/record/904180},
}