Production & Supply Chain
The Role of Hydrogen in Achieving Net Zero: Parliamentary Inquiry
Mar 2021
Publication
A key component of the Government's recently announced ‘Ten Point Plan for a Green Industrial Revolution’ is 'Driving the Growth of Low Carbon Hydrogen'. The plan outlined a range of measures to support the development and adoption of hydrogen including a £240 million 'Net Zero Hydrogen Fund'. Noting this and the further £81 million allocated for hydrogen heating trials in the 2020 Spending Review the House of Commons Science and Technology Co Read More
Power-to-gas for Injection into the Gas Grid: What Can We Learn from Real-life Projects, Economic Assessments and Systems Modelling
Sep 2018
Publication
Power-to-gas is a key area of interest for decarbonisation and increasing flexibility in energy systems as it has the potential both to absorb renewable electricity at times of excess supply and to provide backup energy at times of excess demand. By integrating power-to-gas with the natural gas grid it is possible to exploit the inherent linepack flexibility of the grid and shift some electricity variability onto the gas grid. Furthermore provided the gas i Read More
Numerical Analysis of VPSA Technology Retrofitted to Steam Reforming Hydrogen Plants to Capture CO2 and Produce Blue H2
Feb 2022
Publication
The increasing demand for energy and commodities has led to escalating greenhouse gas emissions the chief of which is represented by carbon dioxide (CO2). Blue hydrogen (H2) a lowcarbon hydrogen produced from natural gas with carbon capture technologies applied has been suggested as a possible alternative to fossil fuels in processes with hard-to-abate emission sources including refining chemical petrochemical and transport sectors. Due t Read More
Life Cycle Assessment of Substitute Natural Gas Production from Biomass and Electrolytic Hydrogen
Feb 2021
Publication
The synthesis of a Substitute Natural Gas (SNG) that is compatible with the gas grid composition requirements by using surplus electricity from renewable energy sources looks a favourable solution to store large quantities of electricity and to decarbonise the gas grid network while maintaining the same infrastructure. The most promising layouts for SNG production and the conditions under which SNG synthesis reduces the environmental impacts i Read More
Energy Technology Perspectives 2020- Special Report on Carbon Capture Utilisation and Storage
Sep 2020
Publication
Energy Technology Perspectives 2020 is a major new IEA publication focused on the technology needs and opportunities for reaching international climate and sustainable energy goals. This flagship report offers vital analysis and advice on the clean energy technologies the world needs to meet net-zero emissions objectives.The report’s comprehensive analysis maps out the technologies needed to tackle emissions in all parts of the energy sector i Read More
Enhancing the Efficiency of Power- and Biomass-to-liquid Fuel Processes Using Fuel-assisted Solid Oxide Electrolysis Cells
Apr 2022
Publication
Power- and biomass-to-liquid fuel processes (PBtL) can utilize renewable energy and residual forestry waste to produce liquid synthetic fuels which have the potential to mitigate the climate impacts of the current transportation infrastructure including the long-haul aviation sector. In a previous study we demonstrated that implementing a solid oxide electrolysis cell (SOEC) in the PBtL process can significantly increase the energy efficiency of fuel pr Read More
Modeling of a High Temperature Heat Exchanger to Supply Hydrogen Required by Fuel Cells Through Reforming Process
Sep 2021
Publication
Hydrogen as a clean fuel and a new energy source can be produced by various methods. One of these common and economical methods of hydrogen production is hydrocarbon vapor modification. This research studies hydrogen production using a propane steam reforming process inside a high temperature heat exchanger. The application of this high temperature heat exchanger in the path of the power supply line is a fuel cell stack unit Read More
Electrosynthesized Ni-P Nanospheres with High Activity and Selectivity Towards Photoelectrochemical Plastics Reforming
May 2021
Publication
Photoelectrochemical reforming of plastic waste offers an environmentally-benign and sustainable route for hydrogen generation. Nonetheless little attention was paid to develop electrocatalysts that can efficiently and selectively catalyze oxidative transformation of valueless plastic wastes into valued chemicals. Herein we report on facile electrosynthesis of nickel-phosphorus nanospheres (nanoNi-P) and their versatility in catalyzing hydrogen generation w Read More
In Situ Neutron Radiography Investigations of Hydrogen Related Processes in Zirconium Alloys
Jun 2021
Publication
In situ neutron radiography experiments can provide information about diffusive processes and the kinetics of chemical reactions. The paper discusses requirements for such investigations. As examples of the zirconium alloy Zircaloy-4 the hydrogen diffusion the hydrogen uptake during high-temperature oxidation in steam and the reaction in nitrogen/steam and air/steam atmospheres results of in situ neutron radiography investigations are reviewe Read More
Role of the Sulphur Source in the Solvothermal Synthesis of Ag-CdS Photocatalysts: Effects on the Structure and Photoactivity for Hydrogen Production
Dec 2020
Publication
The aim of this work is to study the influence of the sulphur source (elemental sulphur thiourea and L-cysteine) in the solvothermal synthesis of Ag-CdS over its growth structuration and state of Ag and how these changes influence on its photoactivity. The differences in the generation rate of the S2− from the sulphur sources during the solvothermal synthesis determine the nucleation and growth pathways of CdS affecting to the silver state and its incorp Read More
Microalgal Hydrogen Production in Relation to Other Biomass‐Based Technologies—A Review
Sep 2021
Publication
Hydrogen is an environmentally friendly biofuel which if widely used could reduce atmospheric carbon dioxide emissions. The main barrier to the widespread use of hydrogen for power generation is the lack of technologically feasible and—more importantly—cost‐effective methods of production and storage. So far hydrogen has been produced using thermochemical methods (such as gasification pyrolysis or water electrolysis) and biological methods (most of Read More
The Potential of Hydrogen Hydrate as a Future Hydrogen Storage Medium
Dec 2020
Publication
Hydrogen is recognized as the “future fuel” and the most promising alternative of fossil fuels due to its remarkable properties including exceptionally high energy content per unit mass (142 MJ/kg) low mass density and massive environmental and economical upsides. A wide spectrum of methods in H2 production especially carbon-free approaches H2purification and H2storage have been investigated to bring this energy source closer to the tech Read More
Improvement in Hydrogen Production with Plasma Reformer System
Jun 2016
Publication
In our previous studies of a plasma reformer system the effects of temperature of the reactants and input voltage have not been considered. In the present investigation the plasma reformer system has been modified to study the influence of the reactants’ temperature and input voltage on hydrogen production experimentally. The plasma reformer system includes a supersonic atomizer a plasma generator and a controlling device. In the experiment the o Read More
Studies of the Impact of Hydrogen on the Stability of Gaseous Mixtures of THT
Dec 2020
Publication
One of the most important requirements concerning the quality of natural gases guaranteeing their safe use involves providing the proper level of their odorization. This allows for the detection of uncontrolled leakages of gases from gas networks installations and devices. The concentration of an odorant should be adjusted in such a manner that the gas odor in a mixture with air would be noticeable by users (gas receivers). A permanent odor of ga Read More
Electrochemical Hydrogen Production Powered by PVCSP Hybrid Power Plants A Modelling Approach for Cost Optimal System Design
Jun 2021
Publication
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 syste Read More
Towards Computer-Aided Graphene Covered TiO2-Cu(CuxOy) Composite Design for the Purpose of Photoinduced Hydrogen Evolution
May 2021
Publication
In search a hydrogen source we synthesized TiO2-Cu-graphene composite photocatalyst for hydrogen evolution. The catalyst is a new and unique material as it consists of copper-decorated TiO2 particles covered tightly in graphene and obtained in a fluidized bed reactor. Both reduction of copper from Cu(CH3COO) at the surface of TiO2 particles and covering of TiO2-Cu in graphene thin layer by Chemical Vapour Deposition (CVD) were performed subsequentl Read More
Research Requirements to Move the Bar Forward Using Aqueous Formate Salts as H2 Carriers for Energy Storage Applications
Nov 2020
Publication
In this perspective on hydrogen carriers we focus on the needs for the development of robust active catalysts for the release of H2 from aqueous formate solutions which are non-flammable non-toxic thermally stable and readily available at large scales at reasonable cost. Formate salts can be stockpiled in the solid state or dissolved in water for long term storage and transport using existing infrastructure. Furthermore formate salts are readily regenerat Read More
Effect of Copper Cobalt Oxide Composition on Oxygen Evolution Electrocatalysts for Anion Exchange Membrane Water Electrolysis
Nov 2020
Publication
Copper cobalt oxide nanoparticles (CCO NPs) were synthesized as an oxygen evolution electrocatalyst via a simple co-precipitation method with the composition being controlled by altering the precursor ratio to 1:1 1:2 and 1:3 (Cu:Co) to investigate the effects of composition changes. The effect of the ratio of Cu2+/Co3+ and the degree of oxidation during the co-precipitation and annealing steps on the crystal structure morphology and electroca Read More
Catalyst Engineering for Electrochemical Energy Conversion from Water to Water: Water Electrolysis and the Hydrogen Fuel Cell
May 2020
Publication
In the context of the current serious problems related to energy demand and climate change substantial progress has been made in developing a sustainable energy system. Electrochemical hydrogen–water conversion is an ideal energy system that can produce fuels via sustainable fossil-free pathways. However the energy conversion efficiency of two functioning technologies in this energy system—namely water electrolysis and the fuel cell—still has great Read More
Towards the Hydrogen Economy—A Review of the Parameters That Influence the Efficiency of Alkaline Water Electrolyzers
May 2021
Publication
Environmental issues make the quest for better and cleaner energy sources a priority. Worldwide researchers and companies are continuously working on this matter taking one of two approaches: either finding new energy sources or improving the efficiency of existing ones. Hydrogen is a well-known energy carrier due to its high energy content but a somewhat elusive one for being a gas with low molecular weight. This review examines the current ele Read More
No more items...