Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 27 for “"Electrolysers"”.
-
Electrochemical measurements to support energy transition: water electrolysers characterization
L'abstract è presente nell'allegato / the abstract is in the attachment
-
The development of appropriate brine electrolysers for disinfection of rural water supplies
A comparative study of electrolysers using different anodic materials for the electrolysis of brine (sodium chloride) for the production of sodium hypochlorite as a source of available chlorine for disinfection of rural water supplies has been undertaken. The electrolyser design used was tubular in …
-
A geospatial economic analysis of hydrogen production from offshore wind using electrolysers
… offshore wind energy. Two concepts for combining electrolysers with offshore wind farms to produce hydrogen are considered. In the first concept, the centralised electrolyser is located offshore, while the second considers an onshore centralised electrolyser. The first aim is to develop a model to …
-
Performance and reliability studies of Atmospheric Plasma Spraying Raney nickel electrodes for alkaline electrolysers
This PhD main aim was the examination of the Atmospheric Plasma Spraying Raney nickel electrodes samples with strong emphasis on electrochemical characterisation and investigation of the degradation/deactivation mechanisms which occur within the electrodes structure. Nowadays research in alkaline …
-
Fabrication of Catalyst Coated Membranes by Ultrasonic Spray for Proton Exchange Membrane Water Electrolysers
Renewable hydrogen, referred to as green hydrogen (GH), holds significant importance in the endeavour to decarbonise the transportation and industrial sectors. GH is generated via the electrochemical process of water splitting, utilising excess renewable energy sources such as solar and wind, thus …
-
Dispatchable Operation of Multiple Electrolysers for Demand Side Response and the Production of Hydrogen Fuel-Libyan Case Study
… structures that incentive the operation of electrolysers as dispatchable loads. This research has been carried out to answer the following question: What is the feasibility of using electrolysers to provide industrial-scale of Demand-side Response for grid balancing while producing hydrogen …
-
Assessment of the performance of a Photovoltaic (pv) system for powering electrolysers in the green hydrogen project at Tsau//khaebs National Park using modelling and simulation approach
The Namibian government, through the Southern Corridor Development Initiative (SCDI), aims to produce 300,000 tons of hydrogen annually at Tsau //Khaeb National Park using wind and solar energy. This thesis focuses on the PV system required to power the electrolyser, involving site analysis, …
-
Demand Led Tidal Lagoon Power and Hydrogen Energy Storage - Supervisory Control and Optimisation
… of no power generation. A system consisting of electrolysers and compression produce hydrogen to storage, while fuel cells supplying power from that storage can bridge the intermittency to meet a continuous unpredictable power demand. This requires start-stop signals for the equipment as well a …
-
Development of an ambient temperature alkaline electrolyser for integrating with the electrical grid and renewable energy system
… of conventional temperature (at 80°C) alkaline electrolysers have been widely demonstrated by industry and their collaborators in academic institutions to minimise dependence on fossil fuels especially in the transport sector and thus help to ultimately reduce carbon emissions. However, the …
-
Micro Hydroelectric Reservoir Use for creating and Uninterrupted Power Supply; Production case Studies in Iceland
… was found to be suited to powering hydrogen electrolysers, small scale aquaponics farming systems, and a 1 to 2 rack data centre for personal use. These were found to be heavily reliant on the reservoir to meet key power shortages across the yearly generation period.
-
Mesoporous oxides as efficient catalysts for the electrocatalytic oxygen evolution reaction (OER)
… splitting. However, the efficiency of water electrolysers is limited by the slow kinetics of oxygen evolution reaction (OER). An increase in mass based OER activity is mandatory for a lower capital cost of electrolyser cells. In this thesis, synthesis routes are presented for new mesoporous …
-
Techno-economic analysis of green ammonia production using offshore wind farms
… are considered: alkaline (AEC) and solid oxide electrolysers (SOEC). These are assumed to have a capacity of 4 GW, to be fed with the peak load of the energy island and to operate at least at 10% of their capacity. The scenarios with SOEC were proven to have the best overall production …
-
Biotechnological Processes as Part of a Carbon Capture and Utilisation Strategy in the Oil and Gas Sector: A Case Study in a Natural Gas Treatment Plant in Libya
… such as wind turbines and H<sub>2</sub> electrolysers, and different biological systems. This analysis highlights a significant shift in environmental impacts: although renewable energy technologies helped decrease global warming potential, the resources used in renewable energy …
-
Emerging Electrochemical Technologies: Advanced Engineering Design
… in the chemical industry, and (b) gas diffusion electrolysers used in various emerging industrial applications that deal with gaseous reactants. The study uses a combination of analytical solutions and numerical simulations to shed light on the underlying physical and chemical processes that …
-
High-Performance Low-Cost Catalysts for Water Electrolysis: A Computational and Experimental Study
… active, and durable catalysts for alkaline electrolysers. The findings will accelerate the development of clean and sustainable energy technologies.
-
Electrocatalysis of oxide-based materials for the oxygen reduction and evolution reactions
Electrochemical devices, such as fuel cells and electrolysers, are said to be at the forefront of a renewable energy technology revolution centred on hydrogen as an energy carrier. These devices rely on the chemical reactions of oxygen, namely the oxidation of water to evolve oxygen (oxygen …
-
Electrofuels in a circular economy
… low grid demand. Combining technologies such as electrolysers (capable of producing hydrogen and oxygen) and biomethanation (which can combine carbon dioxide with hydrogen to form biomethane), offer a green alternative to fossil natural gas, and can use the existing gas grid as both a …
-
Stand-alone solar-pv hydrogen energy systems incorporating reverse osmosis
… systems consisting of photovoltaic panels, PEM electrolysers, PEM fuel cells, batteries, metal hydrides and Reverse Osmosis (RO) under various scenarios. Laboratory experiments have been done to resolve time-resolved characteristics for these system components and ascertain their impact on …
-
Electrolytic purification of water
… has led to the ability to design better electrolysers because the functions were combined in a form that was appropriate to the required purification process. A link between extra-faradic corrosion of an aluminium anode and pH modification is postulated. Electrochemical principles were …
-
Risk and safety assessment of an alkaline electrolyser system for green hydrogen production
… energy plant was required to power the 244 electrolysers. This was oversized by 200 % to make 1.61 GW, reducing the electrolyser capacity factor. Hazard identification and risk assessment was used to evaluate high risk scenarios. Risks could be reduced to low risk ranks with reliable …
Page 1 of 2