Methane steam reforming reaction in solid oxide fuel cells: Influence of electrochemical reaction and anode thickness

Liyuan Fan*, Anatoli Mokhov, S. Ali Saadabadi, Nigel Brandon, Purushothaman Vellayani Aravind

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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The influence of operation temperature, inlet gas composition, current density and the anode thickness on the methane steam reforming reaction over nickel yttria-stabilized zirconia anodes was experimentally studied in solid oxide fuel cells. The experimental results were analyzed using data fitting in Power-Law and Langmuir–Hinshelwood kinetic models. Similar trends of dependence of methane and steam partial pressures were observed in both models. The methane reaction order is positive. Negative influence of steam partial pressure on the methane steam reforming reaction rate are found. The electrochemical reaction and anode thickness affect the reforming kinetics parameters. The anodes thickness shows particular influences on the steam reaction order, and the activation energy when a current is produced. The model evaluation suggests that the two models are comparable and the extra parameters within the Langmuir–Hinshelwood kinetic model are contributing to the lower mean absolute percentage error and higher coefficient of determination R2.

Original languageEnglish
Article number230276
JournalJournal of Power Sources
Early online date24-Jul-2021
Publication statusPublished - 30-Sept-2021


  • Anode thickness
  • Electrochemical reaction
  • Ni-YSZ
  • Reforming kinetics
  • Solid oxide fuel cells

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