United Arab Emirates
Green Hydrogen Production Plants: A Techno-economic Review
Aug 2024
Publication
Green hydrogen stands as a promising clean energy carrier with potential net-zero greenhouse gas emissions. However different system-level configurations for green hydrogen production yield different levels of efficiency cost and maturity necessitating a comprehensive assessment. This review evaluates the components of hydrogen production plants from technical and economic perspectives. The study examines six renewable energy sources—solar p Read More
Utilization of Hydrogen and Methane as Energy Carriers with Exhaust Gas Recirculation for Sustainable Diesel Engines
May 2024
Publication
Hydrogen and methane as secondary fuels in diesel engines can be promising solutions to meet energy demand. The current study investigated the effect of the specialty gases of different compositions on diesel engine performance and exhaust gases. Four gases with various compositions of exhaust gas recirculation (Carbon monoxide Carbon dioxide and Nitrogen) and fuels (Hydrogen and Methane) were used at various mass flow rates of 10 20 a Read More
Techno-economic Analysis of Stand-alone Hybrid PV-Hydrogen-Based Plug-in Electric Vehicle Charging Station
Sep 2024
Publication
The increase in the feasibility of hydrogen-based generation makes it a promising addition to the realm of renewable energies that are being employed to address the issue of electric vehicle charging. This paper presents technical and an economical approach to evaluate a newer off-grid hybrid PV-hydrogen energy-based recharging station in the city of Jamshoro Pakistan to meet the everyday charging needs of plug-in electric vehicles. The concept is Read More
Optimal Multi-layer Economical Schedule for Coordinated Multiple Mode Operation of Wind-solar Microgrids with Hybrid Energy Storage Systems
Nov 2023
Publication
The aim of this paper is the design and implementation of an advanced model predictive control (MPC) strategy for the management of a wind–solar microgrid (MG) both in the islanded and grid-connected modes. The MG includes energy storage systems (ESSs) and interacts with external hydrogen and electricity consumers as an extra feature. The system participates in two different electricity markets i.e. the daily and real-time markets characte Read More
Adaptive Network Fuzzy Inference System and Particle Swarm Optimization of Biohydrogen Production Process
Sep 2022
Publication
Green hydrogen is considered to be one of the best candidates for fossil fuels in the near future. Bio-hydrogen production from the dark fermentation of organic materials including organic wastes is one of the most cost-effective and promising methods for hydrogen production. One of the main challenges posed by this method is the low production rate. Therefore optimizing the operating parameters such as the initial pH value operating temperatur Read More
Prediction of Hydrogen Production in Proton Exchange Membrane Water Electrolysis via Neural Networks
Sep 2024
Publication
Advancements in water electrolysis technologies are crucial for green hydrogen production. Proton exchange membrane water electrolysis (PEMWE) is characterized by its efficiency and environmental benefits. The pre diction and optimization of hydrogen production rates (HPRs) in PEMWE systems is difficult and still challenging because of the complexity of the system as well as the operational parameters. The integration of artificial in telligence (AI) a Read More
UK Hydrogen Roadmap: Financial and Strategic Insights into Oil and Gas Industry’s Transition
Dec 2024
Publication
Inspired by the announcement of the new Hydrogen Strategy for the UK in 2021 this study aimed to determine how the oil and gas industry responds and adapts to the changes. This paper analyses qualitative and quantitative data from the companies’ annual and energy reports. Four oil and gas companies involved in hydrogen projects in the UK were selected as case studies. The responses from the companies were collected using the content analys Read More
Hydrogen Liquefaction and Storage: Recent Progress and Perspectives
Feb 2023
Publication
The global energy sector accounts for ~75% of total greenhouse gas (GHG) emissions. Low-carbon energy carriers such as hydrogen are seen as necessary to enable an energy transition away from the current fossilderived energy paradigm. Thus the hydrogen economy concept is a key part of decarbonizing the global en ergy system. Hydrogen storage and transport are two of key elements of hydrogen economy. Hydrogen can be stored in various forms i Read More
Performance Analysis of Yellow Hydrogen Production in the UAE
Jan 2025
Publication
This study offers a novel techno-economic evaluation of a small hydrogen generation system included into a residential villa in Sharjah. The system is designed to utilize solar energy for hydrogen production using an electrolyzer. The study assesses two scenarios: one lacking a fuel cell and the other incorporating a fuel cell stack for backup power. The initial scenario employs a solar-powered electrolyzer for hydrogen production attaining a co Read More
Hydrogen Production Towards a Carbon-free Economy: A Comprehensive Thermodynamic Analysis
Jan 2025
Publication
Sustainable hydrogen production is key to achieving zero-emission targets and a hydrogen-based economy. Hydrogen production methods vary in terms of resource technology and system efficiency. This work analyzes the thermodynamics of fourteen hydrogen production pathways using Gibbs free energy minimization to examine the effects of pressure (1–60 bar) temperature (100–1000 ◦C) and feed composition using reactant conversion and prod Read More
Integrating Scenario-based Stochastic-model Predictive Control and Load Forecasting for Energy Management of Grid-connected Hybrid Energy Storage Systems
Jun 2023
Publication
In the context of renewable energy systems microgrids (MG) are a solution to enhance the reliability of power systems. In the last few years there has been a growing use of energy storage systems (ESSs) such as hydrogen and battery storage systems because of their environmentally-friendly nature as power converter devices. However their short lifespan represents a major challenge to their commercialization on a large scale. To address this issue the Read More
Technoeconomic Assessment of Various Configurations Photovoltaic Systems for Energy and Hydrogen Production
Feb 2023
Publication
Photovoltaic (PV) system grid integration is becoming more global to minimize carbon emissions from traditional power systems.However alternative solution investigation for maximum technical and economic benefits is often neglected when integrating PVsystems. This study utilizes a methodology for evaluating the lifecycle energy generation and levelized cost of energy (LCOE) ofPV systems with various configurations using a holistic approach that consid Read More
Energy Advancements and Integration Strategies in Hydrogen and Battery Storage for Renewable Energy Systems
Mar 2025
Publication
The long term and large-scale energy storage operations require quick response time and round-trip efficiency which is not feasible with conventional battery systems. To address this issue while endorsing high energy density long term storage and grid adaptability the hydrogen energy storage (HES) is preferred. This proposed work makes a comprehensive review on HES while synthesizing recent research on energy storage technologies and integration int Read More
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