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For the first time, a dynamic model of a 1-MWth thermochemical hydrogen production plant is developed and implemented for CeO2 redox cycle. The work explores how the variables of the process like the direct normal irradiation (DNI), temperature, pressure and degree of oxidation affect the annual production of hydrogen. The model reveals that the thermal inertia of CeO2 is significantly high to accomplish the oxidation without refrigerate the oxidizer. The operation is optimized to obtain the maximum amount of hydrogen in a year by only modifying the mass flow rates at the inlet of the reactors. The flexibility and adaptability of the model allows to test different system configurations and optimize the hydrogen production.

Annual Performance of a Solar-Thermochemical Hydrogen Production Plant Based on CeO2 Redox Cycle