Triple-Channel Charge Transfer over W18O49/Au/g-C3N4 Z-Scheme Photocatalysts for Achieving Broad-Spectrum Solar Hydrogen Production

2021 ◽  
Author(s):  
Inju Hong ◽  
Yi-An Chen ◽  
Yung-Jung Hsu ◽  
Kijung Yong
Keyword(s):  
Charge Transfer ◽  
Hydrogen Production ◽  
Broad Spectrum ◽  
Solar Hydrogen ◽  
Solar Hydrogen Production

Solar Hydrogen Production by Plasmonic Au–TiO2 Catalysts: Impact of Synthesis Protocol and TiO2 Phase on Charge Transfer Efficiency and H2 Evolution Rates

ACS Catalysis ◽  
2015 ◽  
Vol 5 (4) ◽  
pp. 2137-2148 ◽  
Author(s):  
Jacqueline B. Priebe ◽  
Jörg Radnik ◽  
Alastair J. J. Lennox ◽  
Marga-Martina Pohl ◽  
Michael Karnahl ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Hydrogen Production ◽  
Transfer Efficiency ◽  
H2 Evolution ◽  
Solar Hydrogen ◽  
Solar Hydrogen Production ◽  
Tio2 Phase ◽  
Synthesis Protocol

Cascade charge transfer mediated by in situ interface modulation toward solar hydrogen production

2019 ◽  
Vol 7 (15) ◽  
pp. 8938-8951 ◽  
Author(s):  
Yu-Bing Li ◽  
Tao Li ◽  
Xiao-Cheng Dai ◽  
Ming-Hui Huang ◽  
Yunhui He ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Hydrogen Production ◽  
Hydrogen Generation ◽  
Solar Hydrogen ◽  
Photocatalytic Hydrogen Generation ◽  
Visible Light Driven ◽  
Solar Hydrogen Production ◽  
A Charge ◽  
Interface Modulation

An in situ phase self-transformation combined with an exquisite interface modulation was developed to trigger a charge transfer cascade for visible-light-driven photocatalytic hydrogen generation.

Incorporating graphene quantum dots to enhance the photoactivity of CdSe-sensitized TiO2 nanorods for solar hydrogen production

2020 ◽  
Vol 8 (28) ◽  
pp. 13971-13979 ◽  
Author(s):  
Yung-Shan Chang ◽  
Ping-Yen Hsieh ◽  
Tso-Fu Mark Chang ◽  
Chun-Yi Chen ◽  
Masato Sone ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Charge Transfer ◽  
Hydrogen Production ◽  
Graphene Quantum Dots ◽  
Tio2 Nanorods ◽  
Solar Hydrogen ◽  
Solar Hydrogen Production

By introducing GQDs to promote vectorial charge transfer, photocorrosion of CdSe-sensitized TiO2 toward solar hydrogen production can be resolved.

scholarly journals Efficiency gains for thermally coupled solar hydrogen production in extreme cold

2021 ◽  
Author(s):  
Moritz Kölbach ◽  
Kira Rehfeld ◽  
Matthias M. May
Keyword(s):  
Hydrogen Production ◽  
Thermal Coupling ◽  
Efficiency Gains ◽  
Solar Hydrogen ◽  
World Regions ◽  
Extreme Cold ◽  
Solar Hydrogen Production

We analyse the potential of solar hydrogen production in remote and cold world regions such as Antarctica and quantify the efficiency benefits of thermal coupling.

scholarly journals Electrochemical Hydrogen Production Powered by PV/CSP Hybrid Power Plants: A Modelling Approach for Cost Optimal System Design

Energies ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3437
Author(s):  
Andreas Rosenstiel ◽  
Nathalie Monnerie ◽  
Jürgen Dersch ◽  
Martin Roeb ◽  
Robert Pitz-Paal ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Power Plants ◽  
Large Scale ◽  
Energy System ◽  
Solar Hydrogen ◽  
Energy System Model ◽  
Optimal System Design ◽  
Solar Hydrogen Production ◽  
Electrochemical Water Splitting ◽  
Climate Neutrality

Global trade of green hydrogen will probably become a vital factor in reaching climate neutrality. The sunbelt of the Earth has a great potential for large-scale hydrogen production. One promising pathway to solar hydrogen is to use economically priced electricity from photovoltaics (PV) for electrochemical water splitting. However, storing electricity with batteries is still expensive and without storage only a small operating capacity of electrolyser systems can be reached. Combining PV with concentrated solar power (CSP) and thermal energy storage (TES) seems a good pathway to reach more electrolyser full load hours and thereby lower levelized costs of hydrogen (LCOH). This work introduces an energy system model for finding cost-optimal designs of such PV/CSP hybrid hydrogen production plants based on a global optimization algorithm. The model includes an operational strategy which improves the interplay between PV and CSP part, allowing also to store PV surplus electricity as heat. An exemplary study for stand-alone hydrogen production with an alkaline electrolyser (AEL) system is carried out. Three different locations with different solar resources are considered, regarding the total installed costs (TIC) to obtain realistic LCOH values. The study shows that a combination of PV and CSP is an auspicious concept for large-scale solar hydrogen production, leading to lower costs than using one of the technologies on its own. For today’s PV and CSP costs, minimum levelized costs of hydrogen of 4.04 USD/kg were determined for a plant located in Ouarzazate (Morocco). Considering the foreseen decrease in PV and CSP costs until 2030, cuts the LCOH to 3.09 USD/kg while still a combination of PV and CSP is the most economic system.

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