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Solar hybrid photo-thermochemical sulfur-ammonia water-splitting cycle: Photocatalytic hydrogen production stage |
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| Authors: | Ekaterini Ch Vagia Nazim Muradov Agni Kalyva Ali T-Raissi Nan Qin Arun R Srinivasa Konstantinos E Kakosimos | |
| Affiliation: | 1. Texas A&M University at Qatar, Chemical Engineering Department, Sustainable Energy and Clean Air Research Lab – SECAReLab, PO Box 23874, Doha, Qatar;2. Florida Solar Energy Center, University of Central Florida, Cocoa, FL, 32922, USA;3. Texas A&M University, Department of Mechanical Engineering, College Station, TX, 77843-3123, USA | |
| Abstract: | One of the main limitations of existing solar thermochemical water-splitting cycles (WSC) are that they utilize only thermal component of the solar irradiation neglecting its photonic component. A new hybrid photo-thermochemical sulfur–ammonia (HySA) WSC developed at the Florida Solar Energy Center allows circumventing this shortcoming. In the HySA cycle, water splitting occurs by means of solar beam splitting which enables utilization of the quantum (UV–Vis) portion of the solar spectrum in the hydrogen production stage and the thermal (IR) portion in the oxygen production stage. Present work investigates the photocatalytic hydrogen production step using narrow band gap CdS and CdS | |
| Keywords: | Solar Hydrogen Water splitting cycle Cadmium sulfide Zinc sulfide Cocatalyst | |
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