Abstract
The carbon-neutral economy of 2050 may rely on several sustainable fuels, including hydrogen, ammonia, and renewable hydrocarbons. Solid Oxide Fuel Cells (SOFCs) deliver value for each candidate carbon-neutral fuel thanks to their inherent fuel flexibility and high efficiency. This talk examines the additional benefits that can be realized in hybrid systems comprised of an SOFC with an engine bottoming cycle. Developments in ARPA-E’s REEACH program involving SOFC-turbogenerator hybrids for electrified flight will be discussed. The interplays between design and operation of system components can significantly impact the energy storage and power generation (ESPG) system metrics. Modeling work has been performed to inform hybrid system design and will be presented. Finally, next steps for hybrid system deployment at commercial scale will be discussed.
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