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Hydrogen Sulfide Induced Nickel Depletion of SOFC Anodes

[+] Author Affiliations
Alexandre Lussier, Stephen Sofie, Yves U. Idzerda

Montana State University, Bozeman, MT

Joseph Dvorak

Brookhaven National Labs, Upton, NY

Paper No. FuelCell2008-65189, pp. 317-321; 5 pages
  • ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology
  • ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology
  • Denver, Colorado, USA, June 16–18, 2008
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4318-1 | eISBN: 0-7918-3822-6
  • Copyright © 2008 by ASME


Our results reveal a mechanism for permanent degradation of solid oxide fuel cells (SOFCs) by which hydrogen sulfide leads to nickel migration and depletion of the anode, thereby compromising electrical conductivity and cell operation. Additionally, we find that this process is accentuated at higher temperatures and causes depletion of near surface nickel, while deeply buried or trapped nickel remains in the anode.

Copyright © 2008 by ASME



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