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@ARTICLE{Suboti:885781,
      author       = {Subotić, Vanja and Thaller, Thomas and Königshofer,
                      Benjamin and Menzler, Norbert H. and Bucher, Edith and
                      Egger, Andreas and Hochenauer, Christoph},
      title        = {{P}erformance assessment of industrial-sized solid oxide
                      cells operated in a reversible mode: {D}etailed numerical
                      and experimental study},
      journal      = {International journal of hydrogen energy},
      volume       = {45},
      number       = {53},
      issn         = {0360-3199},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2020-04082},
      pages        = {29166 - 29185},
      year         = {2020},
      abstract     = {Reversible solid oxide cells (rSOCs) present a unique
                      possibility in comparison to other available technologies to
                      generate electricity, heat and valuable fuels in one system,
                      in a highly-efficient manner. The major issue hindering
                      their commercialization are system reliability and
                      durability. A detailed understanding of the processes and
                      mechanisms that occur within rSOCs of industrial-size, is of
                      critical importance for addressing this challenge. This
                      study provides in-depth insight into behavior of large
                      planar rSOCs based on a comprehensive experimental and
                      numerical study. All the numerical data obtained are
                      validated with the in-house made cells and experiments. The
                      sensitivity analysis, which covers a wide range of operating
                      conditions relevant for industrial-sized systems, such as
                      varying operating temperature, H2/H2O-ratio, operating
                      current etc., provides very good accordance of the cell
                      performance measured and simulated. It reveals that lowering
                      fuel volume and thus causing fuel starvation has more
                      pronounced effect in an electrolysis mode, which is visible
                      in both the low-frequency and the middle-frequency range.
                      Moreover, both co- and counter-flow are appropriate for the
                      reversible operation. However, more uniform current density
                      distribution is achievable for the counter-flow, which is of
                      crucial importance for the real system design. The most
                      accurate performance prediction can be achieved when
                      dividing the cell into 15 segments. Slightly lower accuracy
                      is reached by logarithmic averaging the fuel compositions,
                      thus reducing the calculation time required. A
                      computationally- and time-efficient model with very precise
                      performance prediction for industrial-sized cells is thus
                      developed and validated.},
      cin          = {IEK-1},
      ddc          = {620},
      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:000579568300080},
      doi          = {10.1016/j.ijhydene.2020.07.165},
      url          = {https://juser.fz-juelich.de/record/885781},
}