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The performance of a hybrid direct carbon fuel cell (HDCFC) is influenced by the anode current collector material, with Ni and Pt showing the best performance due to their catalytic activity.

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Abstract

The influence of the current collector on the performance of a hybrid direct carbon fuel cell (HDCFC), consisting of solid oxide fuel cell (SOFC) with a molten carbonate–carbon slurry in contact with the anode, has been investigated using current–voltage curves. Four different anode current collectors were studied: Au, Ni, Ag, and Pt. It was shown that the performance of the direct carbon fuel cell (DCFC) is dependent on the current collector materials, Ni and Pt giving the best performance, due to their catalytic activity. Gold is suggested to be the best material as an inert current collector, due to its low catalytic activity.

Key findings

  • Au is suggested as the best inert current collector due to its low catalytic activity.
  • Ni and Pt give the best performance as current collectors in the HDCFC.
  • The performance of the direct carbon fuel cell (DCFC) is dependent on the current collector materials.

Keywords

AnodeCurrent (fluid)Current collectorCarbon fibersProton exchange membrane fuel cellFuel cells

Identifiers

DOI
10.1115/1.4032260
Journal
Journal of Fuel Cell Science and Technology
Year
2015