scholarly journals Solar Hydrogen Production Using Carbon Quantum Dots and a Molecular Nickel Catalyst

2015 ◽  
Vol 137 (18) ◽  
pp. 6018-6025 ◽  
Author(s):  
Benjamin C. M. Martindale ◽  
Georgina A. M. Hutton ◽  
Christine A. Caputo ◽  
Erwin Reisner
Keyword(s):  
Quantum Dots ◽  
Hydrogen Production ◽  
Nickel Catalyst ◽  
Carbon Quantum Dots ◽  
Solar Hydrogen ◽  
Solar Hydrogen Production

Nitrogen-Doped Graphene Quantum Dots for Remarkable Solar Hydrogen Production

2020 ◽  
Vol 3 (6) ◽  
pp. 5322-5332 ◽  
Author(s):  
Kai-An Tsai ◽  
Ping-Yen Hsieh ◽  
Ting-Hsuan Lai ◽  
Chun-Wen Tsao ◽  
Hui Pan ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Hydrogen Production ◽  
Graphene Quantum Dots ◽  
Solar Hydrogen ◽  
Nitrogen Doped ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene ◽  
Solar Hydrogen Production

CdSe Quantum Dots Doped WS 2 Nanoflowers for Enhanced Solar Hydrogen Production

2019 ◽  
Vol 216 (9) ◽  
pp. 1800853 ◽  
Author(s):  
Mahider Tekalgne ◽  
Amirhossein Hasani ◽  
Quyet Van Le ◽  
Thang Phan Nguyen ◽  
Kyoung Soon Choi ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Hydrogen Production ◽  
Cdse Quantum Dots ◽  
Solar Hydrogen ◽  
Solar Hydrogen Production

Heterostructured quantum dot architectures for efficient and stable photoelectrochemical hydrogen production

2018 ◽  
Vol 6 (16) ◽  
pp. 6822-6829 ◽  
Author(s):  
Rajesh Adhikari ◽  
Kaustubh Basu ◽  
Yufeng Zhou ◽  
Fiorenzo Vetrone ◽  
Dongling Ma ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Hydrogen Production ◽  
Quantum Dot ◽  
Core Shell ◽  
Solar Hydrogen ◽  
Solar Hydrogen Production ◽  
Photoelectrochemical Hydrogen Production

Heterostructured core/shell quantum dots are designed to boost performance of quantum dot sensitized photoanodes for photoelectrochemical solar hydrogen production.

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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