Spain
European Hydrogen Train the Trainer Programme for Responders: The Impact of HyResponder on Training Across Europe
Jan 2025
Publication
Síle Brennan,
Christian Brauner,
Dennis Davis,
Natalie DeBacker,
Alexander Dyck,
César García Hernández,
André Vagner Gaathaug,
Petr Kupka,
Laurence Grand-Clement,
Etienne Havret,
Deborah Houssin-Agbomson,
Laurent Lecomte,
Eric Maranne,
Pippa Steele,
Paola Russo,
Adolfo Pinilla,
Gerhard Schoepf,
Tom Van Esbroeck and
Vladimir V. Molkov
The impact of the HyResponder project on the training of responders in 10 European countries is described. An overview is presented of training activities undertaken within the project in Austria Belgium Czech Republic France Germany Italy Norway Spain Switzerland and the United Kingdom. National leads with training expertise are given and the longer-term plans in each region are mentioned. Responders from each region took part in a specially tailored Read More
Energy Equivalent Consumption and Optimization Strategies for Hybrid Hydrogen Fuel Systems in Multirotor Drones
Jan 2025
Publication
This paper presents an improved Equivalent Consumption Minimization Strategy (ECMS) designed to optimize energy management for the hybrid hydrogen fuel power setups in multirotor drones. The proposed strategy aims to reduce hydrogen consumption and enhance the performance of the system consisting of Proton Exchange Membrane Fuel Cells (PEMFCs) and lithium batteries. Multirotor drones experience rapid power fluctuations due to their agile Read More
A Correlation for Turbulent Combustion Speed Accounting for Instabilities and Expansion Speed in a Hydrogen-natural Gas Spark Ignition Engine
Oct 2020
Publication
An analysis of the turbulent premixed combustion speed in an internal combustion engine using natural gas hydrogen and intermediate mixtures as fuels is carried out with different air-fuel ratios and engine speeds. The combustion speed has been calculated by means of a two-zone diagnosis thermodynamic model combined with a geometric model using a spherical flame front hypothesis. 48 operating conditions have been analyzed. At each test point Read More
Techno-economic Analysis of the Production of Synthetic Fuels using CO2 Generated by the Cement Industry and Green Hydrogen
Jul 2024
Publication
Cement industry due to the decomposition of CaCO3 and the production of clinker emits large amounts of CO2 into the atmosphere. This anthropogenic gas can be captured and through its synthesis with green hydrogen methanol and finally synthetic fuels are achieved. By using e-fuel Europe’s climate neutrality objectives could be achieved. However the energy transition still lacks a clear roadmap and decisions are strongly affected by the geopolitical situ Read More
Model Predictive Control-Based Optimized Operation of a Hybrid Charging Station for Electric Vehicles
Aug 2021
Publication
This paper presents an energy management system (EMS) based on a novel approach using model predictive control (MPC) for the optimized operation of power sources in a hybrid charging station for electric vehicles (EVs). The hybrid charging station is composed of a photovoltaic (PV) system a battery a complete hydrogen system based on a fuel cell (FC) electrolyzer (EZ) and tank as an energy storage system (ESS) grid connection and six fast cha Read More
Decarbonizing Insular Energy Systems: A Literature Review of Practical Strategies for Replacing Fossil Fuels with Renewable Energy Sources
Feb 2025
Publication
The reliance on fossil fuels for electricity production in insular regions creates critical environmental economic and logistical challenges particularly for ecologically fragile islands. Transitioning to renewable energy is essential to mitigate these impacts enhance energy security and preserve unique ecosystems. This systematic review addresses key research questions: what practical strategies have proven effective in reducing fossil fuel depe Read More
Integrative Assessment of Hydrogen-natural Gas Mixtures in Energy Grids: An Overview of the H2SAREA Project Experience
Jan 2025
Publication
This paper presents the results of the H2SAREA project which focuses on integrating hydrogen (H2) into the existing natural gas (NG) distribution network with blends of up to 20%. A key component of the project was the H2Loop testing platform built using ex-service materials and components to realistically assess the impact of hydrogen on current systems and components. The investigation covered several critical areas including gas injection and blending Read More
Functionalization of Nanomaterials for Energy Storage and Hydrogen Production Applications
Feb 2025
Publication
This review article provides a comprehensive overview of the pivotal role that nanomaterials particularly graphene and its derivatives play in advancing hydrogen energy technologies with a focus on storage production and transport. As the quest for sustainable energy solutions intensifies the use of nanoscale materials to store hydrogen in solid form emerges as a promising strategy toward mitigate challenges related to traditional storage methods. We Read More
Advancements in Hydrogen Storage Vessels: A Bibliometric Analysis
Feb 2025
Publication
This bibliometric study examines the evolution of compressed-hydrogen storage technologies over the last 20 years revealing exponential growth in research and highlighting key advancements in compressed-hydrogen storage materials-based solutions and integration with renewable energy systems. The analysis highlights the pivotal role of composite material tanks and the filament-winding process in revolutionizing storage technology. These innovations h Read More
The Role of Integrated Multi-Energy Systems Toward Carbon-Neutral Ports: A Data-Driven Approach Using Empirical Data
Feb 2025
Publication
Ports are critical hubs in the global supply chain yet they face mounting challenges in achieving carbon neutrality. Port Integrated Multi-Energy Systems (PIMESs) offer a comprehensive solution by integrating renewable energy sources such as wind photovoltaic (PV) hydrogen and energy storage with traditional energy systems. This study examines the implementation of a real-word PIMES showcasing its effectiveness in reducing energy consum Read More
Non-Renewable and Renewable Exergy Costs of Water Electrolysis in Hydrogen Production
Mar 2025
Publication
Hydrogen production via water electrolysis and renewable electricity is expected to play a pivotal role as an energy carrier in the energy transition. This fuel emerges as the most environmentally sustainable energy vector for non-electric applications and is devoid of CO2 emissions. However an electrolyzer´s infrastructure relies on scarce and energyintensive metals such as platinum palladium iridium (PGM) silicon rare earth elements and silver. Under Read More
Strategic Hydrogen Management: Driving a Sustainable Energy Future
Mar 2025
Publication
The concept of sustainability and green energy has become increasingly relevant in our lives especially in the face of climate change and the growing demand for sustainable solutions in the energy sector. Driven by renewable energies there is a continuous effort to research and develop alternative energy sources and fuels. In this context the European Union (EU) Strategy for Hydrogen (H) has emerged placing this source as one of the central pillars Read More
CFD Study of Flameless Combustion in a Real Industrial Reheating Furnace Considering Different H2/NG Blends as Fuels
Nov 2023
Publication
On the path towards decarbonisation of the steel industry the use of H2 /NG blends in furnaces where high temperatures are needed is one of the alternatives that needs to be carefully studied. The present paper shows the CFD study carried out for a full-scale reheating furnace burner case. The real operating conditions as well as experimental measurements provided by the furnace operator were used to validate the results and reduce simula Read More
Comparative Analysis of Power Converter Topologies for Hydrogen Electrolyzers
Oct 2024
Publication
Power electronic converters are essential for connecting high-power electrolyzers to ac grids. The existing literature on comparative analyses of AC-DC power converters for electrolyzer applications is often limited to thyristor rectifiers (TRs) and diode bridge rectifiers with DC-DC converters. Interestingly active front-end (AFE) power converters have not garnered much attention. In addition critical aspects such as the impact of nonideal grid behavi Read More
On the Identification of Regulatory Gaps for Hydrogen as Maritime Fuel
Feb 2025
Publication
C. Georgopoulou,
C. Di Maria,
G. Di Ilio,
Viviana Cigolotti,
Mariagiovanna Minutillo,
Mosè Rossi,
B.P. Sullivan,
A. Bionda,
Markus Rautanen,
R. Ponzini,
F. Salvadore,
M. Alvarez-Cardozo,
P. Douska,
L. Koukoulopoulos,
G. Psaraftis,
G. Dimopoulos,
T. Wannemacher,
N. Baumann,
K. Mahosl,
M. Tome,
O. Noguero Torres,
F. Oikonomou,
A. Hamalainen,
F. Chillé,
Y. Papagiannopoulos and
N. Sakellaridis
The decarbonization of the maritime sector represents a priority in the energy policy agendas of the majority of Countries worldwide and the International Maritime Organization (IMO) has recently revised its strategy aiming for an ambitious zero-emissions scenario by 2050. In these regards there is a broad consensus on hydrogen as one of the most promising clean energy vectors for maritime transport and a key towards that goal. However to date a Read More
Offshore Facilities to Produce Hydrogen
Jun 2017
Publication
As a result of international agreements on the reduction of CO2 emissions new technologies using hydrogen are being developed. Hydrogen despite being the most abundant element in Nature cannot be found in its pure state. Water is one of the most abundant sources of hydrogen on the planet. The proposal here is to use energy from the sea in order to obtain hydrogen from water. If plants to obtain hydrogen were to be placed in the ocean the impact Read More
Improved Sliding Mode Temperature Control of Hydrogen Fuel Cells for Multirotor Drones
Jan 2025
Publication
This paper investigates the temperature control problem in hydrogen fuel cells based on the improved sliding mode control method specifically within the context of multirotor drone applications. The study focuses on constructing a control-oriented nonlinear thermal model which serves as a foundation for the subsequent development of a practical temperature regulation approach. Initially a novel sliding mode control strategy is proposed which significa Read More
A Review on the Use of Catalysis for Biogas Steam Reforming
Nov 2023
Publication
Hydrogen production from natural gas or biogas at different purity levels has emerged as an important technology with continuous development and improvement in order to stand for sustainable and clean energy. Regarding biogas which can be obtained from multiple sources hydrogen production through the steam reforming of methane is one of the most important methods for its energy use. In that sense the role of catalysts to make the process Read More
Systematic Evaluation of Physicochemical Properties for the Selection of Alternative Liquid Organic Hydrogen Carriers
Jan 2023
Publication
Chemical hydrogen storage is a key step for establishing hydrogen as a main energy vector. For this purpose liquid organic hydrogen carriers (LOHCs) present the outstanding advantage of allowing a safe efficient and high-density hydrogen storage being also highly compatible with existing transport infrastructures. Typical LOHCs are organic compounds able to be hydrogenated and dehydrogenated at mild conditions enabling the hydrogen storage and releas Read More
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