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Reference Number EP/W033216/1
Title Up-scaling solar hydrogen production
Status Started
Energy Categories Hydrogen and Fuel Cells(Hydrogen, Hydrogen production) 100%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields PHYSICAL SCIENCES AND MATHEMATICS (Metallurgy and Materials) 25%;
ENGINEERING AND TECHNOLOGY (Electrical and Electronic Engineering) 5%;
ENGINEERING AND TECHNOLOGY (Chemical Engineering) 70%;
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Dr A Hankin

Chemical Engineering
Imperial College London
Award Type Standard
Funding Source EPSRC
Start Date 01 January 2023
End Date 03 November 2024
Duration 23 months
Total Grant Value £252,670
Industrial Sectors Energy
Region London
Programme Energy : Energy
 
Investigators Principal Investigator Dr A Hankin , Chemical Engineering, Imperial College London (100.000%)
  Industrial Collaborator Project Contact , Stellenbosch University, South Africa (0.000%)
Web Site
Objectives
Abstract 'Solar fuels' are synthetic, storable, high energy density chemicals, produced using sunlight as the sole energy source. Solar fuels include hydrogen (termed "golden hydrogen"), which is generated by solar-driven water reduction, and various carbon-based fuels produced through the reduction of carbon dioxide. Fuels synthesised in this way can contribute towards reaching net zero greenhouse gas emissions.The projected increase in global power demand necessitates urgent decarbonisation of power sources and fuels to limit the release of CO2 into the atmosphere. One major pathway to achieving this goal is to harness and utilise renewable energies. These, however, are intermittent and so require management, for example via energy storage in chemical bonds.Photoelectrochemical reactors present a potential technological solution for producing solar fuels at scale. Such reactors combine - in a single device - the functions of photovoltaic (PV) panels and electrolysers; the former convert solar energy to electrical energy, while the latter convert electrical energy to chemical energy. In photoelectrochemical reactors, photoabsorbing components are immersed in liquid media. This approach was conceived to lower the capital cost of solar fuel production compared with commercially available PV + electrolyser systems.The overarching aim of this research is to answer the question 'What might an industrial scale photoelectrochemical reactor system ultimately look like?'. Development of up-scaled reactors is a multidisciplinary challenge, involving material science, (photo)electrochemistry, electrochemical engineering and optics, supplemented by numerical modelling of the complete system to guide its design and optimisation. These many considerations need to be addressed simultaneously. By answering some of these critical questions and developing large-scale prototype reactors, this project will accelerate the development of sustainable hydrogen production using photoelectrochemical devices and bring us closer to the decarbonisation of our energy systems that we urgently need.
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Added to Database 13/04/22