The Rmodynamic Analysis Of Integrated Energy System Based On Fuel Cell A Comparison Research

2019 
The combination of the solid oxide fuel cell and gas turbine provides high-efficiency power generation solutions and is currently a popular field of research. In this study, a supercritical carbon dioxide Brayton cycle (SCO 2 BC) was incorporated into an SOFC-GT system as a bottom-layer subsystem to absorb the high-temperature exhaust of the GT, with the aim of fully realizing the cascade utilization of energy. Then, process simulation and sensitivity analysis of the SOFC-GT-SCO 2 BC hybrid system were conducted to investigate the effects of five parameters (fuel flow rate, fuel cell operating temperature, gas turbine pressure ratio, fuel utilization factor, and CO 2 turbine inlet pressure) on the thermal efficiencies of the hybrid system and its SOFC-GT and SCO 2 BC subsystems.
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