A novel photo-thermochemical cycle for the dissociation of CO2 using solar energy
作者： Yanwei Zhang , Chenyu Xu , Jingche Chen , Xuhan Zhang , Zhihua Wang
DOI: 10.1016/J.APENERGY.2015.07.028
关键词:
摘要: Abstract To dissociate carbon dioxide (CO 2 ) using solar energy, a novel photo-thermochemical cycle combining photochemistry with thermochemistry is proposed in this paper. After illuminating titanium (TiO helium (He) atmosphere by ultraviolet (UV) irradiation, CO was input and converted to monoxide (CO) under heating an enclosed cavity. determine the optimal temperature, sets of four consecutive cycles were performed at temperatures from 573 K 873 K. The preferred temperature found be 773 K. stably produced five successive 773 K, demonstrating method’s possibility. Scanning electron microscopy (SEM), high-resolution transmission (HRTEM) X-ray diffraction (XRD) employed assess crystal structure morphology. photoelectron spectroscopy (XPS) photoluminescence (PL) analyses also conducted investigate charge transfer reaction mechanisms on TiO surface. Finally, mechanism tentatively proposed.
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