Saint-Gobain has developed a unique all ceramic SOFC stack with performance characteristics that make it an attractive solution to the cost and durability challenges of commercializing conventional SOFCs. Saint-Gobain’s all ceramic stacks achieve power density higher than 200 mW/cm2 when operating at 800 °C and 0.75 V/cell. Power degradation is low at <0.2% per kilohour over more than 12,000 hours of testing. Ceramic interconnect stability is verified for >16,000 hours using accelerated testing. Good performance under thermal cycling, power cycling and unplanned transients such as fuel or air loss has also been confirmed. With reliable R&D scale manufacturing and targeted testing platforms, Saint-Gobain has increased sub-scale stack power density by 61% and decreased interconnect cell resistance by 65% with further improvements in development.
- Advanced Energy Systems Division
Saint-Gobain’s All Ceramic SOFC Stack: Architecture and Performance
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Barabasz, R, Dutton, E, Feldman, B, Lin, G, Mohanram, A, Narendar, Y, Pietras, J, Qi, FC, Patterson, Z, Poizeau, S, Sarikaya, A, & Zandi, M. "Saint-Gobain’s All Ceramic SOFC Stack: Architecture and Performance." Proceedings of the ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2014 8th International Conference on Energy Sustainability. ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology. Boston, Massachusetts, USA. June 30–July 2, 2014. V001T02A012. ASME. https://doi.org/10.1115/FuelCell2014-6715
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