Journal of Materials Science

, Volume 40, Issue 14, pp 3735–3743 | Cite as

YSZ electrolyte of anode-supported SOFCs prepared from sub micron YSZ powders

  • M. Gaudon
  • N. H. Menzler
  • E. Djurado
  • H. P. Buchkremer


Dense and thin electrolytes composed of yttrium-stabilized zirconia for anode-supported solid oxide fuel cells were produced by slip casting of different powder suspensions. These suspensions were obtained by mixing different proportions of nanocrystalline powder made by spray pyrolysis and commercial micro-sized powder in ethanol. Two parameters influence mostly the formation of gastight thin films: the powder morphology which controls the green density of the films and the powder sintering activity on which depends the formation of cracks during drying and sintering and adhesion. Here, optimized powder mixtures allowed the formation of a 5 μ m thick electrolyte with efficient gastightness besides industrial applications. It is shown in this study that the optimum suspension composition corresponds to the best compromise between powder morphology and powder sintering activity.


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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  • M. Gaudon
    • 1
  • N. H. Menzler
    • 1
  • E. Djurado
    • 2
  • H. P. Buchkremer
    • 3
  1. 1.Forschungszentrum JülichInstitute for Materials and Processes in Energy Systems (IWV-1)JülichGermany
  2. 2.Laboratoire d’Electrochimie et de Physico-chimie des Matériaux et des Interfaces (LEPMI)St. Martin D’HèresFrance
  3. 3.Forschungszentrum JülichInstitute for Materials and Processes in Energy Systems (IWV-1)JülichGermany

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