Open-loop 81.9% efficiency
Open-loop and closed-loop iodine-sulfur cycles are comprehensively compared in thermal efficiency, cost, and environmental impact for coupling with nuclear or sulfuric acid plants.
Ling, Bo · Wang, Zhihua · Zhang, Jinxu · He, Yong · Yanqun, Zhu · Cen, Kefa
International Journal of Hydrogen Energy 2023
Levelized costs of four cases: 2.26, 1.82, 1.33, and 1.64 US$/kg H2
Cases A and D have smaller environmental impacts