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@ARTICLE{Gerstl:811773,
      author       = {Gerstl, Matthias and Nenning, Andreas and Iskandar, Riza
                      and Rojek-Wöckner, Veronika and Bram, Martin and Hutter,
                      Herbert and Opitz, Alexander Karl},
      title        = {{T}he {S}ulphur {P}oisoning {B}ehaviour of {G}adolinia
                      {D}oped {C}eria {M}odel {S}ystems in {R}educing
                      {A}tmospheres},
      journal      = {Materials},
      volume       = {9},
      number       = {8},
      issn         = {1996-1944},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2016-04128},
      pages        = {649},
      year         = {2016},
      abstract     = {An array of analytical methods including surface area
                      determination by gas adsorption using the Brunauer, Emmett,
                      Teller (BET) method, combustion analysis, XRD, ToF-SIMS, TEM
                      and impedance spectroscopy has been used to investigate the
                      interaction of gadolinia doped ceria (GDC) with hydrogen
                      sulphide containing reducing atmospheres. It is shown that
                      sulphur is incorporated into the GDC bulk and might lead to
                      phase changes. Additionally, high concentrations of silicon
                      are found on the surface of model composite microelectrodes.
                      Based on these data, a model is proposed to explain the
                      multi-facetted electrochemical degradation behaviour
                      encountered during long term electrochemical measurements.
                      While electrochemical bulk properties of GDC stay largely
                      unaffected, the surface polarisation resistance is
                      dramatically changed, due to silicon segregation and
                      reaction with adsorbed sulphur.},
      cin          = {IEK-1},
      ddc          = {600},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {135 - Fuel Cells (POF3-135) / SOFC - Solid Oxide Fuel Cell
                      (SOFC-20140602)},
      pid          = {G:(DE-HGF)POF3-135 / G:(DE-Juel1)SOFC-20140602},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000380762000040},
      pubmed       = {pmid:28773771},
      doi          = {10.3390/ma9080649},
      url          = {https://juser.fz-juelich.de/record/811773},
}