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@ARTICLE{Szsz:850926,
      author       = {Szász, Julian and Wankmüller, Florian and Wilde, Virginia
                      and Störmer, Heike and Gerthsen, Dagmar and Menzler,
                      Norbert H. and Ivers-Tiffée, Ellen},
      title        = {{N}ature and functionality of
                      {L}a0.58{S}r0.4{C}o0.2{F}e0.8{O}3-delta/{G}d0.2{C}e0.8{O}2-delta/{Y}0.16{Z}r0.84{O}2-delta
                      interfaces in {SOFC}s},
      journal      = {Journal of the Electrochemical Society},
      volume       = {165},
      number       = {10},
      issn         = {1945-7111},
      address      = {Pennington, NJ},
      publisher    = {Electrochemical Soc.},
      reportid     = {FZJ-2018-04657},
      pages        = {F898 - F906},
      year         = {2018},
      abstract     = {Interdiffusion phenomena and secondary phase formation at
                      the interface La0.58Sr0.4Co0.2Fe0.8O3-δ (LSCF) /
                      Gd0.2Ce0.8O2-δ (GDC) / Y0.16Zr0.84O2-δ (YSZ) are
                      correlated to linear and non-linear losses in symmetrical
                      and full SOFC cells. FIB/SEM (focussed ion beam / scanning
                      electron microscopy) tomography is applied for determining
                      the local distribution of the primary phases LSCF, GDC, and
                      YSZ and elemental analysis via STEM/EDXS (scanning
                      transmission electron microscopy / energy dispersive X-ray
                      spectroscopy) provides information on the secondary phase
                      SrZrO3 (SZO) and the interdiffusion between GDC and YSZ
                      (ID). This reveals the effect of GDC co-sintering
                      temperature (varied from 1100°C to 1400°C), alongside the
                      sintering of LSCF at 1080°C, on these multi-layered
                      microstructures. Electrochemical impedance spectra on
                      symmetrical cells show that the polarization resistance
                      (ASRcat) of the cathode/electrolyte interface is
                      pronouncedly affected by three orders of magnitude, changing
                      the overall power density of anode supported SOFC single
                      cells at 0.8V by as much as a factor of 20. In conclusion,
                      the chemical composition of the ID has a tremendous impact
                      on the electrochemical efficiency of the investigated
                      LSCF/GDC/YSZ interface, and processing parameters of anode
                      supported cells with LSCF cathode have to be carefully
                      chosen for individual SOFC cell concepts.},
      cin          = {IEK-1},
      ddc          = {540},
      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:000441061800118},
      doi          = {10.1149/2.0031811jes},
      url          = {https://juser.fz-juelich.de/record/850926},
}