Transmission, Distribution & Storage
Energy Storage in Urban Areas: The Role of Energy Storage Facilities, a Review
Feb 2024
Publication
Positive Energy Districts can be defined as connected urban areas or energy-efficient and flexible buildings which emit zero greenhouse gases and manage surpluses of renewable energy production. Energy storage is crucial for providing flexibility and supporting renewable energy integration into the energy system. It can balance centralized and distributed energy generation while contributing to energy security. Energy storage can respond to supple Read More
Underground Hydrogen Storage (UHS) in Natural Storage Sites: A Perspective of Subsurface Characterization and Monitoring
Jan 2024
Publication
With the long-standing efforts of green transition in our society underground hydrogen storage (UHS) has emerged as a viable solution to buffering seasonal fluctuations of renewable energy supplies and demands. Like operations in hydrocarbon production and geological CO2 storage a successful UHS project requires a good understanding of subsurface formations while having different operational objectives and practical challenges. Similar to the situa 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
Determining Onshore or Offshore Hydrogen Storage for Large Offshore Wind Parks: The North Sea Wind Power Hub Case
Aug 2024
Publication
The large-scale integration of renewable energy sources leads to daily and seasonal mismatches between supply and demand and the curtailment of wind power. Hydrogen produced from surplus wind power offers an attractive solution to these challenges. In this paper we consider a large offshore wind park and analyze the need for hydrogen storage at the onshore and offshore sides of a large transportation pipeline that connects the wind park to the Read More
Computational Predictions of Hydrogen-assisted Fatigue Crack Growth
May 2024
Publication
A new model is presented to predict hydrogen-assisted fatigue. The model combines a phase field description of fracture and fatigue stress-assisted hydrogen diffusion and a toughness degradation formulation with cyclic and hydrogen contributions. Hydrogen-assisted fatigue crack growth predictions exhibit an excellent agreement with experiments over all the scenarios considered spanning multiple load ratios H2 pressures and loading frequen Read More
Hydrogen Balloon Transportation: A Cheap and Efficiency Mode to Transport Hydrogen
Nov 2023
Publication
The chances of a global hydrogen economy becoming a reality have increased significantly since the COVID pandemic and the war in Ukraine and for net zero carbon emissions. However intercontinental hydrogen transport is still a major issue. This study suggests transporting hydrogen as a gas at atmospheric pressure in balloons using the natural flow of wind to carry the balloon to its destination. We investigate the average wind speeds atmospheric pre Read More
Recent Developments in Materials for Physical Hydrogen Storage: A Review
Jan 2024
Publication
The depletion of reliable energy sources and the environmental and climatic repercussions of polluting energy sources have become global challenges. Hence many countries have adopted various renewable energy sources including hydrogen. Hydrogen is a future energy carrier in the global energy system and has the potential to produce zero carbon emissions. For the non-fossil energy sources hydrogen and electricity are considered the dominant e Read More
Optimizing Underground Hydrogen Storage in Aquifers: The Impact of Cushion Gas Type
Aug 2023
Publication
This study investigated the impact of cushion gas type and presence on the performance of underground hydrogen storage (UHS) in an offshore North Sea aquifer. Using numerical simulation the relationship between cushion gas type and UHS performance was comprehensively evaluated providing valuable insights for designing an efficient UHS project delivery. Results indicated that cushion gas type can significantly impact the process's recovery effici Read More
Hydrogen Storage Solutions for Residential Heating: A Thermodynamic and Economic Analysis with Scale-up Potential
Jul 2024
Publication
The study presents a thermodynamic and economic assessment of different hydrogen storage solutions for heating purposes powered by PV panels of a 10-apartment residential building in Milan and it focuses on compressed hydrogen liquid hydrogen and metal hydride. The technical assessment involves using Python to code thermodynamic models to address technical and thermodynamic performances. The economic analysis evaluates the CAPEX the Read More
Benchmark of J55 and X56 Steels on Cracking and Corrosion Effects Under Hydrogen Salt Cavern Boundary Conditions
Feb 2024
Publication
Salt caverns have great potential to store relevant amounts of hydrogen as part of the energy transition. However the durability and suitability of commonly used steels for piping in hydrogen salt caverns is still under research. In this work aging effects focusing on corrosion and cracking patterns of casing steel API 5CT J55 and “H2ready” pipeline steel API 5L X56 were investigated with scanning electron microscopy and energy dispersive X-ray spectrosco Read More
Outlook and Challenges for Hydrogen Storage in Nanoporous Materials
Feb 2016
Publication
Darren P. Broom,
Colin Webb,
Katherine Hurst,
P. A. Parilla,
Thomas Gennett,
C. M. Brown,
Renju Zacharia,
E. Tylianakis,
E. Klontzas,
George E. Froudakis,
Th. A. Steriotis,
Pantelis N. Trikalitis,
Donald L. Anton,
B. Hardy,
David A. Tamburello,
Claudio Corgnale,
B. A. van Hassel,
D. Cossement,
Richard Chahine and
Michael Hirscher
Considerable progress has been made recently in the use of nanoporous materials for hydrogen storage. In this article the current status of the field and future challenges are discussed ranging from important open fundamental questions such as the density and volume of the adsorbed phase and its relationship to overall storage capacity to the development of new functional materials and complete storage system design. With regard to funda Read More
Oxygen-rich Microporous Carbons with Exceptional Hydrogen Storage Capacity
Oct 2021
Publication
Porous carbons have been extensively investigated for hydrogen storage but to date appear to have an upper limit to their storage capacity. Here in an effort to circumvent this upper limit we explore the potential of oxygen-rich activated carbons. We describe cellulose acetate-derived carbons that combine high surface area (3800 m2 g−1 ) and pore volume (1.8 cm3 g−1 ) that arise almost entirely (>90%) from micropores with an oxygen-rich nature. The Read More
Hydrogen Diffusion into Water and Cushion Gases - Relevance for Hydrogen Geo-storage
Dec 2024
Publication
Hydrogen (H2) has been recognized as a promising solution to reduce carbon dioxide (CO2) emissions. H2 is considered a green energy carrier for energy storage transport and usage and it can be produced from renewable energy resources (such as solar hydropower and wind energy). However H2 is a highly diffusive compound compared to other natural gases raising concerns about the possibility of H2 loss in geo-storage (e.g. in underground geologic Read More
Optimizing Post-production Alternate Hydrogen Supply Chain Pathways - An Integrated TEA and LCA Approach
Dec 2024
Publication
This study presents a comprehensive techno-economic assessment (TEA) of alternative hydrogen supply chain (HSC) pathways with a focus on the conditioning transportation and reconditioning stages. The pathways assessed include compressed hydrogen liquefied hydrogen and ammonia as a hydrogen carrier. A distinctive feature of this study is its consideration of a broad range of operational capacities and transportation distances facility econo Read More
Design, Analysis, and Testing of a Type V Composite Pressure Vessel for Hydrogen Storage
Dec 2024
Publication
Hydrogen as a zero-emission fuel produces only water when used in fuel cells making it a vital contributor to reducing greenhouse gas emissions across industries like transportation energy and manufacturing. Efficient hydrogen storage requires lightweight high-strength vessels capable of withstanding high pressures to ensure the safe and reliable delivery of clean energy for various applications. Type V composite pressure vessels (CPVs) have emerg Read More
Novel Model Reference-based Hybrid Decoupling Control of Multiport-isolated DC-DC Converter for Hydrogen Energy Storage System Integration
Dec 2024
Publication
Hydrogen energy storage systems (HESS) are increasingly recognised for their role in sustainable energy ap plications though their performance depends on efficient power electronic converter (PEC) interfaces. In this paper a multiport-isolated DC-DC converter characterised by enhanced power density reduced component count and minimal conversion stages is implemented for HESS applications. However the high-frequency multiwinding transformer in t Read More
Lifecycle Management of Hydrogen Pipelines: Design, Maintenance, and Rehabilitation Strategies for Canada’s Clean Energy Transition
Jan 2025
Publication
This paper examines the crucial elements of pipeline-based hydrogen transportation highlighting the particular difficulties and technical developments required to guarantee the sustainable effective and safe supply of hydrogen. This study lists the essential phases of hydrogen pipeline management from design to repair as the relevance of hydrogen infrastructure in the worldwide energy transition continues to rise. It discusses the upkeep monitorin Read More
Hydrogen Supply Chain for Future Hydrogen-fuelled Railway in the UK: Transport Sector Focused
Aug 2024
Publication
Though being attractive on railway decarbonisation for regional lines excessive cost caused by immature hydrogen supply chain is one of the significant hurdles for promoting hydrogen traction to rolling stocks. Therefore we conduct bespoke research on the UK’s hydrogen supply chain for railway concentrating on hydrogen transportation. Firstly a map for the planned hydrogen production plants and potential hydrogen lines is developed wit Read More
Evaluation of the Impact of Gaseous Hydrogen on Pipeline Steels Utilizing Hollow Specimen Technique and μCT
Feb 2024
Publication
The high potential of hydrogen as a key factor on the pathway towards a climate neutral economy leads to rising demand in technical applications where gaseous hydrogen is used. For several metals hydrogen-metal interactions could cause a degradation of the material properties. This is especially valid for low carbon and highstrength structural steels as they are commonly used in natural gas pipelines and analyzed in this work. This work provides an Read More
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