Thermal cycling and ageing of a glass-ceramic sealant for planar SOFCs

F. Smeacetto, A. Chrysanthou, M. Salvo, T. Moskalewicz, F. D'Herin Bytner, L. C. Ajitdoss, M. Ferraris

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47 Citations (Scopus)

Abstract

Thermal cycling and thermal ageing tests were performed on Crofer22APU/glass-ceramic/Anode-Supported-Electrolyte (ASE) joined samples in air at the SOFC operating temperature of 800 degrees C. The Crofer22APU had been polished and preoxidised at 900 degrees C for 2 h. The diffusion behaviour at the two interfaces was examined and revealed slight diffusion of chromium and manganese from Crofer22APU into the glass-ceramic. No interactions, failure or crack formation were observed at the Crofer22APU/glass-ceramic interface and between the glass-ceramic and YSZ.

Original languageEnglish
Pages (from-to)11895-11903
Number of pages9
JournalInternational Journal of Hydrogen Energy
Volume36
Issue number18
DOIs
Publication statusPublished - Sept 2011

Keywords

  • glass-ceramic sealant
  • solid oxide fuel cell
  • trasmission electron microscopy
  • microstructure
  • crofer22APU

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