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Development of a 1D Finite-Volume Model for the Simulation of Solid Oxide Fuel Cells.

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Title: Development of a 1D Finite-Volume Model for the Simulation of Solid Oxide Fuel Cells.
Authors: Cammarata, Alberto1 (AUTHOR) alberto.cammarata@polimi.it, Colbertaldo, Paolo1 (AUTHOR), Campanari, Stefano1 (AUTHOR)
Source: Energies (19961073). Feb2026, Vol. 19 Issue 4, p1023. 20p.
Subject Terms: *Solid oxide fuel cells, *Finite volume method, *Current density (Electromagnetism), *Temperature distribution, *Computer simulation, *Current-voltage curves, *Diffusion coefficients, *Mole fraction
Abstract: This work presents the development and validation of a 1D finite-volume model for the simulation of planar solid oxide cells (SOCs), developed for integration in more complex systems and process simulations. The model allows to investigate the temperature, composition, and current density profiles along the channel. In this work, the Fick's equations typically used to calculate the concentration overpotential due to H2 and H2O diffusion in the electrode are improved compared to 1D SOC models available in the literature. In particular, the approximate analytical solution of the dusty gas model (DGM) equations allows for a better definition of H2 and H2O mixture diffusion coefficients, which are relevant, for instance, in the case of solid oxide fuel cells (SOFCs) fed with reformate gas mixtures. Differently from other 1D models available in the literature, the model developed is validated using experimental SOFC polarization curves covering a wide range of operating conditions in terms of molar fraction of H2 (21–93%) and H2O (7–50%) in the fuel, temperature (550–750 °C), and fuel utilization factor (exceeding 90%), demonstrating that 1D SOC models retain a good description of the physical processes occurring within the cell. While this work focuses on a co-flow SOFC configuration, the model can simulate a counter-flow configuration and electrolysis operation without modifying the model equations. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 191973443
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Development of a 1D Finite-Volume Model for the Simulation of Solid Oxide Fuel Cells.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Cammarata%2C+Alberto%22">Cammarata, Alberto</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> alberto.cammarata@polimi.it</i><br /><searchLink fieldCode="AR" term="%22Colbertaldo%2C+Paolo%22">Colbertaldo, Paolo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Campanari%2C+Stefano%22">Campanari, Stefano</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Feb2026, Vol. 19 Issue 4, p1023. 20p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Solid+oxide+fuel+cells%22">Solid oxide fuel cells</searchLink><br />*<searchLink fieldCode="DE" term="%22Finite+volume+method%22">Finite volume method</searchLink><br />*<searchLink fieldCode="DE" term="%22Current+density+%28Electromagnetism%29%22">Current density (Electromagnetism)</searchLink><br />*<searchLink fieldCode="DE" term="%22Temperature+distribution%22">Temperature distribution</searchLink><br />*<searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br />*<searchLink fieldCode="DE" term="%22Current-voltage+curves%22">Current-voltage curves</searchLink><br />*<searchLink fieldCode="DE" term="%22Diffusion+coefficients%22">Diffusion coefficients</searchLink><br />*<searchLink fieldCode="DE" term="%22Mole+fraction%22">Mole fraction</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This work presents the development and validation of a 1D finite-volume model for the simulation of planar solid oxide cells (SOCs), developed for integration in more complex systems and process simulations. The model allows to investigate the temperature, composition, and current density profiles along the channel. In this work, the Fick's equations typically used to calculate the concentration overpotential due to H2 and H2O diffusion in the electrode are improved compared to 1D SOC models available in the literature. In particular, the approximate analytical solution of the dusty gas model (DGM) equations allows for a better definition of H2 and H2O mixture diffusion coefficients, which are relevant, for instance, in the case of solid oxide fuel cells (SOFCs) fed with reformate gas mixtures. Differently from other 1D models available in the literature, the model developed is validated using experimental SOFC polarization curves covering a wide range of operating conditions in terms of molar fraction of H2 (21–93%) and H2O (7–50%) in the fuel, temperature (550–750 °C), and fuel utilization factor (exceeding 90%), demonstrating that 1D SOC models retain a good description of the physical processes occurring within the cell. While this work focuses on a co-flow SOFC configuration, the model can simulate a counter-flow configuration and electrolysis operation without modifying the model equations. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=191973443
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.3390/en19041023
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 20
        StartPage: 1023
    Subjects:
      – SubjectFull: Solid oxide fuel cells
        Type: general
      – SubjectFull: Finite volume method
        Type: general
      – SubjectFull: Current density (Electromagnetism)
        Type: general
      – SubjectFull: Temperature distribution
        Type: general
      – SubjectFull: Computer simulation
        Type: general
      – SubjectFull: Current-voltage curves
        Type: general
      – SubjectFull: Diffusion coefficients
        Type: general
      – SubjectFull: Mole fraction
        Type: general
    Titles:
      – TitleFull: Development of a 1D Finite-Volume Model for the Simulation of Solid Oxide Fuel Cells.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Cammarata, Alberto
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            NameFull: Colbertaldo, Paolo
      – PersonEntity:
          Name:
            NameFull: Campanari, Stefano
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          Dates:
            – D: 15
              M: 02
              Text: Feb2026
              Type: published
              Y: 2026
          Identifiers:
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              Value: 19961073
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              Value: 19
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              Value: 4
          Titles:
            – TitleFull: Energies (19961073)
              Type: main
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