Methane Steam Reforming over an Ni-YSZ Solid Oxide Fuel Cell Anode in Stack Configuration

David Mogensen, Jan-Dierk Grunwaldt, Peter Vang Hendriksen, Jens Ulrik Nielsen, Kim Dam-Johansen

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Abstract

The kinetics of catalytic steam reforming of methane over an Ni-YSZ anode of a solid oxide fuel cell (SOFC) have been investigated with the cell placed in a stack configuration. In order to decrease the degree of conversion, a single cell stack with reduced area was used. Measurements were performed in the temperature range 600-800 degrees C and the partial pressures of all reactants and products were varied. The obtained rates could be well fitted with a power law expression (r proportional to P-CH4(0.7)). A simple model is presented which is capable of predicting the methane conversion in a stack configuration from intrinsic kinetics of the anode support material. The predictions are compared with the stack measurements presented here, and good agreement is observed.
Original languageEnglish
Article number710391
JournalJournal of Chemistry
Volume2014
Number of pages8
ISSN2090-9063
DOIs
Publication statusPublished - 2014

Bibliographical note

Copyright © 2014 D. Mogensen et al.This is an open access article distributed under the Creative Commons Attribution License,
which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords

  • CHEMISTRY,
  • HYBRID SYSTEM
  • PLANAR SOFC
  • KINETICS
  • GAS
  • PERFORMANCE
  • CATALYST
  • MODEL

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