首页|From seawater to hydrogen via direct photocatalytic vapor splitting:A review on device design and system integration
From seawater to hydrogen via direct photocatalytic vapor splitting:A review on device design and system integration
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Solar-driven hydrogen production from seawater attracts great interest for its emerging role in decarbonizing global energy consumption.Given the complexity of natural seawater content,photocatalytic vapor splitting offers a low-cost and safe solution,but with a very low solar-to-hydrogen conversion efficiency.With a focus on cutting-edge photothermal-photocatalytic device design and system integration,the recent research advances on vapor splitting from seawater,as well as industrial implementations in the past decades were reviewed.In addition,the design strategies of the key processes were reviewed,including vapor temperature and pressure control during solar thermal vapor generation from seawater,capillary-fed vaporization with salt repellent,and direct photocatalytic vapor splitting for hydrogen production.Moreover,the existing laboratory-scale and industrial-scale systems,and the integration principles and remaining challenges in the future seawater-to-hydrogen technology were discussed.
Technology Innovation Institute,Masdar City,Abu Dhabi 9639,United Arab Emirates
Department of Chemical Engineering,University of Waterloo,Waterloo,ON N2L 3G1,Canada
Department of Mechanical and Nuclear Engineering,Khalifa University of Science and Technology,Abu Dhabi 127788,United Arab Emirates
Department of Mechanical and Mechatronics Engineering,University of Waterloo,Waterloo,ON N2L 3G1,Canada
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Department of Chemical Engineering at the University of Waterloo,Canada Research Chair Tier I—Zero-Emission Vehicles and HydNatural Sciences and Engineering Research Council of Canada(NSERC)Discovery Grants ProgramDiscovery Grants Program
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