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@ARTICLE{Yan:840145,
      author       = {Yan, Yulin and Fang, Qingping and Blum, Ludger and Lehnert,
                      Werner},
      title        = {{P}erformance and {D}egradation of a {SOEC} {S}tack with
                      {D}ifferent {C}ell {C}omponents},
      journal      = {Electrochimica acta},
      volume       = {258},
      issn         = {0013-4686},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-07704},
      pages        = {1254 - 1261},
      year         = {2017},
      abstract     = {High temperature water electrolysis with solid oxide
                      electrolysis cells (SOECs) is a promising method for
                      hydrogen production. In order to study the performance and
                      degradation behavior of cells with different cell components
                      in electrolysis mode, a four-cell stack was assembled that
                      used JÜLICH's F10 design with two types of air electrodes
                      based on La0.6Sr0.4CoO3−δ (LSC) and
                      La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF). A PVD-prepared GDC layer
                      was applied to LSCF cells while a screen-printing GDC layer
                      was used in the LSC cells. The performance of the stack was
                      first characterized with IV-curve measurements in both SOFC
                      and SOEC modes within the temperature range of 700–800
                      °C. The durability of the stack was investigated by
                      conducting a long-term stationary electrolysis operation
                      with a constant current density of −0.5 Acm−2 and steam
                      conversion rate of $50\%$ at 800 °C. Electrochemical
                      Impedance Spectroscopy (EIS) was used to study the
                      electrochemical performance of the stack, as well as the
                      degradation behavior during long-term electrolysis
                      operation. The method “Distribution of Relaxation Times”
                      (DRT) was applied for the further analysis of the EIS data,
                      and the DRT results have successfully supported the stack
                      degradation analysis.},
      cin          = {IEK-3},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-3-20101013},
      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:000418324800138},
      doi          = {10.1016/j.electacta.2017.11.180},
      url          = {https://juser.fz-juelich.de/record/840145},
}