A hydrocarbon fuel is reformed into syngas which is used to generate electricity in the SOFC, while the depleted fuel is combusted in a catalytic burner before expansion in a turbine. The system is highly efficient with low emissions.

Reference: Babaji, B, & Turner, JWG. "Thermodynamic Analysis of a Solid-Oxide Fuel Cell Gas Turbine (SOFC-GT) Hybrid System for Marine Applications. ASME. https://doi.org/10.1115/GT2024-127431