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@ARTICLE{RangelHernndez:863554,
      author       = {Rangel-Hernández, Victor and Ramírez-Minguela, J. J. and
                      Zaleta-Aguilar, A. and Fang, Qingping and Blum, Ludger},
      title        = {{I}mpact of {O}perational and {D}esign {V}ariables on the
                      {T}hermodynamic {B}ehavior of a {S}imulated 500 k{W}
                      {NG}-{F}ueled {S}olid {O}xide {F}uel {C}ells {S}tack},
      journal      = {Energy conversion and management},
      volume       = {204},
      issn         = {0196-8904},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2019-03593},
      pages        = {112283 -},
      year         = {2020},
      note         = {Kein Zugriff auf Post-Print},
      abstract     = {This paper presents a detailed analysis of the impact that
                      some operating (e.g. fuel utilization, percentage of gas
                      recirculation in the anode and temperature differences
                      across the stack) and design (e.g. effective diffusivities
                      of both the anode and cathode and the thickness of the
                      anode) parameters of a solid oxide fuel cell stack have on
                      its energy performance. A validated mathematical model of
                      chemical, electrochemical and thermodynamic equations is
                      integrated to simulate the operation of a 500 kWe
                      anode-supported natural gas-fueled solid oxide fuel cell
                      stack. The investigation mainly focuses on the exergy
                      efficiency and power-to-heat ratio. Analysis of the results
                      indicates that the operating variable with the greatest
                      effect on the exergy efficiency of the SOFC stack is the
                      percentage of gas recirculation at the anode, achieving a
                      maximum of $54\%.$ Meanwhile, both the exergy efficiency and
                      power-to-heat ratio were more sensitive to changes in the
                      effective anode diffusivity. Finally, the paper outlines the
                      results in the context of a wide range of experimentally
                      verified operations.},
      cin          = {IEK-14},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-14-20191129},
      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:000510954300031},
      doi          = {10.1016/j.enconman.2019.112283},
      url          = {https://juser.fz-juelich.de/record/863554},
}