Solid oxide fuel cells (SOFCs) involve structures composed of multiple ceramic layers, or interleaved layers of ceramic membranes and metal interconnects. To eliminate premature mixing of fuel and air gases or leaking of these gases from interior regions of the structure, the interfaces of adjacent layers are sealed with a glass or ceramic seal. These seals must withstand the high-temperature environment of the SOFC over its lifetime. Therefore these materials must be thermally matched with the adjacent layers to minimize transient stress risers and eliminate the potential for consequent seal failure.
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Olenick, J. et al. (2007). In Situ Seal Integrity Sensing for Solid Oxide Fuel Cells. In: Kuang, K., Easler, K. (eds) Fuel Cell Electronics Packaging. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-47324-6_4
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DOI: https://doi.org/10.1007/978-0-387-47324-6_4
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