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A 500 kW Hydrogen Fuel Cell-powered Vessel: From Concept to Sailing
Sep 2024
Publication
This paper presents the “Three Gorges Hydrogen Boat No. 1” a novel green hydrogen-powered vessel that has been successfully delivered and is currently sailing. This vessel integrated with a hydrogen production and bunkering station at its dedicated dock achieves zero-carbon emissions. It stores 240 kg of 35 MPa gaseous hydrogen and has a fuel cell system rated at 500 kW. We analysed the engineering details of the marine hydrogen system including Read More
Modelling Guided Energy Management System for a Hydrogen-fuelled Harbour Tug
May 2024
Publication
The use of hydrogen as a source of fuel for marine applications is relatively nascent. As the maritime industry pivots to the use of alternate low and zero-emission fuels to adapt to a changing regulatory landscape hydrogen energy needs to present and substantiate a technical and commercially viable use case to secure its value proposition in the future fuel mix. This paper leverages the technoeconomic and environmental assessment previously perform Read More
Renewable Electricity and Green Hydrogen Integration for Decarbonization of “Hard-to-Abate” Industrial Sectors
Jul 2024
Publication
This paper investigates hydrogen’s potential to accelerate the energy transition in hardto-abate sectors such as steel petrochemicals glass cement and paper. The goal is to assess how hydrogen produced from renewable sources can foster both industrial decarbonization and the expansion of renewable energy installations especially solar and wind. Hydrogen’s dual role as a fuel and a chemical agent for process innovation is explored with a focus Read More
A Novel Hydrogen Supply Chain Optimization Model - Case Study of Texas and Louisiana
Jun 2024
Publication
The increasing political momentum advocating for decarbonization efforts has led many governments around the world to unveil national hydrogen strategies. Hydrogen is viewed as a potential enabler of deep decarbonization notably in hard-to-abate sectors such as the industry. A multi-modal hourly resolved linear programming model was developed to assess the infrastructure requirements of a low-carbon supply chain over a large region. It Read More
Current Status of Green Hydrogen Production Technology: A Review
Oct 2024
Publication
As a clean energy source hydrogen not only helps to reduce the use of fossil fuels but also promotes the transformation of energy structure and sustainable development. This paper firstly introduces the development status of green hydrogen at home and abroad and then focuses on several advanced green hydrogen production technologies. Then the advantages and shortcomings of different green hydrogen production technologies are compared. A Read More
Evaluating the Economic Influence of Water Sources on Green Hydrogen Production: A Cost Analysis Approach
Sep 2024
Publication
The production of green hydrogen requires significant water usage making the economic evaluation of different water sources crucial for optimizing the Levelized Cost of Hydrogen (LCOH). This study examines the economic impact of using seawater groundwater grid water industrial wastewater and rainwater for hydrogen production through PEM electrolysis considering the water abstraction transport treatment and storage costs across various plant siz Read More
Transitioning to Sustainable Economic Resilience through Renewable Energy and Green Hydrogen: The Case of Iraq
Sep 2024
Publication
The study investigates the potential of transitioning Iraq a nation significantly dependent on fossil fuels toward a green hydrogen-based energy system as a pathway to achieving sustainable economic resilience. As of 2022 Iraqi energy supply is over 90% reliant on hydrocarbons which also account for 95% of the country foreign exchange earnings. The global energy landscape is rapidly shifting towards cleaner alternatives and the volatility of oil prices has Read More
Techno-economic Assessment of Hydrogen Supply Solutions for Industrial Site
Sep 2024
Publication
In Austria one of the highest priorities of hydrogen usage lies in the industrial sector particularly as a feedstock and for high-temperature applications. Connecting hydrogen producers with consumers is challenging and requires comprehensive research to outline the advantages and challenges associated with various hydrogen supply options. This study focuses on techno-economic assessment of different supply solutions for industrial sites mainly d Read More
Solar Hydrogen Production and Storage in Solid Form: Prospects for Materials and Methods
Sep 2024
Publication
Climatic changes are reaching alarming levels globally seriously impacting the environment. To address this environmental crisis and achieve carbon neutrality transitioning to hydrogen energy is crucial. Hydrogen is a clean energy source that produces no carbon emissions making it essential in the technological era for meeting energy needs while reducing environmental pollution. Abundant in nature as water and hydrocarbons hydrogen mu Read More
Techno-economics of Renewable Hydrogen Export: A Case Study for Australia-Japan
Jul 2024
Publication
The shift from fossil fuels to clean energy carriers such as renewable H2 is imminent. Consequently a global H2 market is taking shape involving countries with limited or insufficient energy resources importing from renewable-rich countries. This study evaluates the techno-economics of renewable hydrogen (H2) export in a globally significant scenario in which Australia exports to Japan. To gain insight into the immediate realisable future the base year Read More
Hydrogen as an Energy Source: A Review of Production Technologies and Challenges of Fuel Cell Vehicles
Oct 2024
Publication
The significant growth of both the global population and economy in recent years has led to a rise in global energy demand. Fossil fuels have a significant contribution to generating energy which has raised concerns about sustainability and environmental impact. There are widespread efforts to find alternative sources in order to reduce dependence on fossil fuels and mitigate their environmental consequences. Among the alternative sources hydrogen h Read More
Renewable Fuel Production and the Impact of Hydrogen Infrastructure - A Case Study of the Nordics
Apr 2024
Publication
Hard-to-electrify sectors will require renewable fuels to facilitate the green transition in the future. Therefore it is crucial to identify promising production locations while taking into account the local biomass resources variable renewable energy sources and the synergies between sectors. In this study investments and dispatch operations are optimised of a large catalogue of renewable fuel production technologies in the opensource software Spi Read More
Design Considerations and Preliminary Hydrodynamic Analysis of an Offshore Decentralised Floating Wind-hydrogen System
Sep 2024
Publication
Despite the number of works on the techno-economics of offshore green hydrogen production there is a lack of research on the design of floating platforms to concomitantly support hydrogen production facilities and wind power generation equipment. Indeed previous studies on offshore decentralised configuration for hydrogen production implicitly assume that a floating platform designed for wind power generation (FOWT) can be also suitable Read More
Environmental and Climate Impacts of a Large-scale Deployment of Green Hydrogen in Europe
Apr 2024
Publication
Green hydrogen is expected to play a vital role in decarbonizing the energy system in Europe. However large-scale deployment of green hydrogen has associated potential trade-offs in terms of climate and other environmental impacts. This study aims to shed light on a comprehensive sustainability assessment of this large-scale green hydrogen deployment based on the EMPIRE energy system modeling compared with other decarbonization p Read More
Detailed Analysis of a Pure Hydrogen-fueled Dual-fuel Engine in Terms of Performance and Greenhouse Gas Emissions
Sep 2024
Publication
The current study seeks to greenhouse gas emissions reduction in an existing engine under dual-fuel combustion fueled with diesel fuel and natural gas due to great concerns about global warming. This simulation study focuses on the identification of areas prone to the formation of greenhouse gas emissions in engine cylinders. The simulation results of dual-fuel combustion confirmed that the possibility of incomplete combustion and the formation of gree Read More
Advancing Life Cycle Assessment of Sustainable Green Hydrogen Production Using Domain-Specific Fine-Tuning by Large Language Models Augmentation
Nov 2024
Publication
Assessing the sustainable development of green hydrogen and assessing its potential environmental impacts using the Life Cycle Assessment is crucial. Challenges in LCA like missing environmental data are often addressed using machine learning such as artificial neural networks. However to find an ML solution researchers need to read extensive literature or consult experts. This research demonstrates how customised LLMs trained with domain-s Read More
Performance Comparison of Hydrogen Dispersion Models in Enclosure Adapted to Forced Ventilation
Sep 2023
Publication
In confined spaces hydrogen released with low momentum tends to accumulate in a layer below the ceiling; the concentration in this layer rises and can rapidly enter the flammability range. In this context ventilation is a key safety equipment to prevent the formation of such flammable volumes. To ensure its well-sizing to each specific industrial context it is necessary to dispose of reliable engineering models. Currently the existing engineering models d Read More
Future of Hydrogen in the U.S. Energy Sector: MARKAL Modeling Results
Mar 2024
Publication
Hydrogen is an attractive energy carrier which could play a role in decarbonizing process heat power or transport applications. Though the U.S. already produces about 10 million metric tons of H2 (over 1 quadrillion BTUs or 1% of the U.S. primary energy consumption) production technologies primarily use fossil fuels that release CO2 and the deployment of other cleaner H2 production technologies is still in the very early stages in the U.S. This study Read More
Hydrogen Embrittlement Behaviors During SSRT Tests in Gaseous Hydrogen for Cold-word Type 316 Austenitic Stainless Steel and Iron-based Supperalloy A286 Used in Hydrogen Refueling Station
Feb 2024
Publication
To consider an appropriate evaluation method for hydrogen compatibility slow strain rate tensile (SSRT) tests were conducted on high strength piping materials cold-worked type 316 austenitic stainless steel (SUS316CW) and iron-based superalloy A286 used in hydrogen stations for two years.SUS316CW used at room temperature in 82 MPa gaseous hydrogen contained 7.8 mass ppm hydrogen. The SSRT test of SUS316CW was conducted in nitroge Read More
Design and Analysis of Hydrogen Storage Tank with Different Materials by Ansys
Dec 2019
Publication
Pressure vessels are used for large commercial and industrial applications such as softening filtration and storage. It is expected that high-pressure hydrogen storage vessels will be widely used in hydrogen-fuelled vehicles. Progressive failure properties the burst pressure and fatigue life should be taken into account in the design of composite pressure vessels. In this work the model and analysis of hydrogen storage vessels along with complete structural and t Read More
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