The anode-supported tubular solid oxide fuel cells were fabricated and joined onto the metal cap (SUS430) for current collecting and sealing by using the induction brazing process. Among five filler materials used in the induction brazing, Ni-based BNi2 has shown the lowest gas permeability of at a differential pressure of 3 atm measured with He gas. The electrical conductivity of anode support brazed with BNi2 showed at and stable value even at the long-term and thermal cycle tests. The brazed anode-supported tubular cell at operating temperature of produced at 0.7 V. The gas-tightness was confirmed by open circuit voltage (OCV) value similar to theoretical value. The cell showed a stable performance and OCV for 200 h.
Joining of Metallic Cap and Anode-Supported Tubular Solid Oxide Fuel Cell by Induction Brazing Process
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Kim, J., Song, R., and Shin, D. (May 14, 2009). "Joining of Metallic Cap and Anode-Supported Tubular Solid Oxide Fuel Cell by Induction Brazing Process." ASME. J. Fuel Cell Sci. Technol. August 2009; 6(3): 031012. https://doi.org/10.1115/1.3006344
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