Journal of Materials Engineering and Performance

, Volume 13, Issue 3, pp 327–334

Chemical stability of glass seal interfaces in intermediate temperature solid oxide fuel cells


  • Zhenguo Yang
    • Pacific Northwest National Laboratory
  • Guanguang Xia
    • Pacific Northwest National Laboratory
  • Kerry D. Meinhardt
    • Pacific Northwest National Laboratory
  • K. Scott Weil
    • Pacific Northwest National Laboratory
  • Jeff W. Stevenson
    • Pacific Northwest National Laboratory
Fuel Cells: Materials, Processing And Manufacturing Technologies

DOI: 10.1361/10599490419298

Cite this article as:
Yang, Z., Xia, G., Meinhardt, K.D. et al. J. of Materi Eng and Perform (2004) 13: 327. doi:10.1361/10599490419298


In intermediate temperature planar solid oxide fuel cell (SOFC) stacks, the interconnect, which is typically made from cost-effective, oxidation-resistant, high-temperature alloys, is typically sealed to the ceramic positive electrode-electrolyte-negative electrode (PEN) by a sealing glass. To maintain the structural stability and minimize the degradation of stack performance, the sealing glass has to be chemically compatible with the PEN and alloy interconnects. In the present study, the chemical compatibility of a barium-calcium-aluminosilicate (BCAS) based glass-ceramic (specifically developed as a sealant in SOFC stacks) with a number of selected oxidation resistant high temperature alloys (and the yttria-stabilized zirconia electrolyte) was evaluated. This paper reports the results of that study, with a particular focus on Crofer22 APU, a new ferritic stainless steel that was developed specifically for SOFC interconnect applications.


ferritic stainless steelsinterconnectsealing glasssolid oxide fuel cell
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© ASM International 2004