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@ARTICLE{Antonio:141012,
      author       = {Antonio, Bertei and Mertens, Josef and Nicolella,
                      Cristiano},
      title        = {{E}lectrochemical {S}imulation of {P}lanar {S}olid {O}xide
                      {F}uel {C}ells with {D}etailed {M}icrostructural{M}odeling},
      journal      = {Electrochimica acta},
      volume       = {146},
      issn         = {0013-4686},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2013-06221},
      pages        = {151-163},
      year         = {2014},
      abstract     = {Abstract: A quasi-two-dimensional physically-based model
                      for the description of transport andreaction in planar solid
                      oxide fuel cells (SOFC) is presented in this study.
                      Electrochemistry andtransport phenomena in the cell are
                      locally described in 2D using mass conservation equations
                      andwell-established global electro-kinetics, coupled with
                      the 1D representation of gas channels in both coflowand
                      counter-flow configurations. The key feature of the model
                      consists in the numericalreconstruction, through packing
                      algorithms, of the three-dimensional microstructure of each
                      porouslayer for an accurate evaluation of the effective
                      properties. Coupling of a detailed microstructuralmodeling
                      into the cell-level electrochemical model allows the
                      prediction of the polarization behaviorfrom the knowledge of
                      operating conditions and powder characteristics, thus
                      eliminating the need forempirical correlations and adjusted
                      parameters, which is typically the weak point of existing
                      cell-levelmodels. The framework is used for the simulation
                      of a short stack of anode-supported cells with
                      LSMbasedcathode and 1.5mm thick anode support, developed and
                      tested by Forschungszentrum Jülich.The effective properties
                      of each layer are calculated and compared with available
                      experimental data. Agood agreement is also reached when
                      comparing simulated and experimental polarization
                      curvesunder different operating conditions without fitting
                      any parameter. Simulations show that at 800°C theactivation
                      resistance in the cathode functional layer is the main
                      contribution to the cell overpotential.In addition, the
                      model suggests that gas concentration effects at the anode
                      play an important role onthe global electrochemical
                      response. The study shows that quantitative predictions can
                      be obtainedusing this integrated approach, making it an
                      attractive tool to assist the SOFC development.},
      cin          = {IEK-9},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {123 - Fuel Cells (POF2-123) / 152 - Renewable Energies
                      (POF2-152)},
      pid          = {G:(DE-HGF)POF2-123 / G:(DE-HGF)POF2-152},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000345226100021},
      doi          = {10.1016/j.electacta.2014.08.120},
      url          = {https://juser.fz-juelich.de/record/141012},
}