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Vision for Indonesia’s 2050 Power Generation: Scenarios of Hydrogen Integration, Nuclear Energy Prospects, and Coal Phase-Out Impact
Jan 2025
Publication
Indonesia’s energy sector faces critical challenges due to its heavy reliance on coal as the dominant power source which contributes to environmental degradation and rising CO2 emissions resulting into transition needs for renewable energy as targeted inside Nationally Determined Contribution (NDCs) 2060. In addition to these hydrogen energy also shows great potential for Indonesia’s energy needs. However to date there are no extensive rese Read More
A New Electro-Biomembrane Integrated Renewable-Based System to Produce Power, Fresh Water and Hydrogen for Sustainable Communities
Jan 2025
Publication
As the consequences of global warming become more severe it is more crucial than ever to capitalize on all locally accessible potential renewable energy sources and produce sufficient useable energy outputs to meet community demands while causing the least damage to the ecosystem. Therefore this paper focuses on a unique parabolic trough collector solar systempowered electro-biomembrane unit that combines a heat and power system with fresh 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
Review on Onshore and Offshore Large-scale Seasonal Hydrogen Storage for Electricity Generation: Focusing on Improving Compression, Storage, and Roundtrip Efficiency
Jun 2024
Publication
This article presents a comprehensive review of the current landscape and prospects of large-scale hydrogen storage technologies with a focus on both onshore and offshore applications and flexibility. Highlighting the evolving technological advancements it explores storage and compression techniques identifying potential research directions and avenues for innovation. Underwater hydrogen storage and hybrid metal hydride com pressed gas tan Read More
Setting Thresholds to Define Indifferences and Preferences in PROMETHEE for Life Cycle Sustainability Assessment of European Hydrogen Production
Jun 2021
Publication
The Life Cycle Sustainability Assessment (LCSA) is a proven method for sustainability assessment. However the interpretation phase of an LCSA is challenging because many different single results are obtained. Additionally performing a Multi-Criteria Decision Analysis (MCDA) is one way—not only for LCSA—to gain clarity about how to interpret the results. One common form of MCDAs are outranking methods. For these type of methods it becomes of utmost i Read More
Optimal Sizing of Renewable Energy Storage: A Techno-economic Analysis of Hydrogen, Battery and Hybrid Systems Considering Degradation and Seasonal Storage
Feb 2023
Publication
Energy storage is essential to address the intermittent issues of renewable energy systems thereby enhancing system stability and reliability. This paper presents the design and operation optimisation of hydrogen/battery/ hybrid energy storage systems considering component degradation and energy cost volatility. The study ex amines a real-world case study which is a grid-connected warehouse located in a tropical climate zone with a photovoltaic s Read More
Economic and Resilient Operation of Hydrogen-based Microgrids: An Improved MPC-based Optimal Scheduling Scheme Considering Security Constraints of Hydrogen Facilities
Feb 2023
Publication
Optimally scheduling alkaline electrolyzers (AELs) in a hydrogen-based microgrid (HBM) can greatly unleash the operational flexibility of the HBM. However existing scheduling strategies of AELs mostly utilize a simplified AEL model which ignores the nonlinear coupling of electric-hydrogen-thermal sectors violating the AEL’s security constraints thereby making the scheduling scheme infeasible. This paper proposes an improved model predictive control (MPC) Read More
Superconductivity and Hydrogen Economy: A Roadmap to Synergy
Aug 2022
Publication
Hydrogen as an energy carrier is a promising alternative to fossil fuels and it becomes more and more popular in developed countries as a carbon-free fuel. The low boiling temperature of hydrogen (20 K or −253.15 ◦C) provides a unique opportunity to implement superconductors with a critical temperature above 20 K such as MgB2 or high-temperature superconductors. Superconductors increase efficiency and reduce the loss of energy which could c Read More
Clean Hydrogen and Ammonia Synthesis in Paraguay from the Itaipu 14 GW Hydroelectric Plant
Nov 2019
Publication
This paper aims at investigating clean hydrogen production from the large size (14 GW) hydroelectric power plant of Itaipu located on the border between Paraguay and Brazil the two countries that own and manage the plant. The hydrogen produced by a water electrolysis process is converted into ammonia through the well-known Haber-Bosch process. Hydraulic energy is employed to produce H2 and N2 respectively from a large-scale electrolysis syst Read More
Distribution of Relaxation Times Analysis of High-temperature PEM Fuel Cell Impedance Spectra
Feb 2017
Publication
In this study Distribution of Relaxation Times (DRT) was successfully demonstrated in the analysis of the impedance spectra of High-Temperature Polymer Electrolyte Membrane Fuel Cells (HT-PEMFC) doped with phosphoric acid. Electrochemical impedance spectroscopy (EIS) was performed and the quality of the recorded spectra was verified by Kramers-Kronig relations. DRT was then applied to the measured spectra and polarization losses were separ Read More
The Development Trend of and Suggestions for China's Hydrogen Energy Industry
Jul 2021
Publication
Driven by the current round of technological revolution and industrial transformation and based on a consensus among countries around the world the world’s energy landscape is undergoing profound adjustments to promote a transition to clean low-carbon energy in order to cope with global climate change. As a clean and carbon-free secondary energy source hydrogen energy is an important component of the energy strategy in various coun Read More
Hydrogen Europe Podcast Episode 6 - Exploring Opportunities for EU-Canada Hydrogen Cooperation
Dec 2023
Publication
In the sixth episode titled Exploring Opportunities for EU-Canada Hydrogen Cooperation our CEO Jorgo Chatzimarkakis discusses with John Risley Charmain and CEO of CFFI Ventures and Stefan Kaufmann former Innovation Commissioner for Green Hydrogen of the German government and now adviser to Thyssenkrupp. In the discussion about hydrogen market and technology's development in Canada and in Germany the businessman and the policy Read More
Hydrogen Europe Podcast Episode 5 - Industry & Research - Important Cooperation for H2 Sector
Dec 2023
Publication
In this podcast episode Hydrogen Europe CEO Jorgo Chatzimarkakis engages in a dynamic conversation with Hydrogen Europe Research President Luigi Crema. Together they delve into the crucial partnership between industry and research within the hydrogen sector. The episode explores the symbiotic relationship between innovative research initiatives and practical industry applications shedding light on how collaboration fosters advancements i Read More
Energy White Paper: Powering our Net Zero Future
Dec 2020
Publication
The Prime Minister’s Ten Point Plan has set out the measures that will help ensure the UK is at the forefront of this revolution just as we led the first over two centuries ago. As nations move out of the shadow of coronavirus and confront the challenge of climate change with renewed vigour markets for new green products and services will spring up round the world. Taking action now will help ensure not just that we end our contribution to climate change by Read More
Hydrogen as an Alternative Fuel: A Comprehensive Review of Challenges and Opportunities in Production, Storage, and Transportation
Jan 2025
Publication
The rapid growth of the global population and industrial activities has significantly increased greenhouse gases (GHGs) emissions with projections indicating a temperature rise of 3–6 ◦C by 2050. Urgent action is needed to limit global warming to 1.5 ◦C above pre-industrial levels. Hydrogen with its high energy density and compatibility with renewable energy systems presents a promising clean energy solution to mitigate GHGs emissions. Yet its widespre Read More
Hydrogen Storage in Depleted Gas Reservoirs with Carbon Dioxide as a Cushion Gas: Exploring a Lateral Gas Seperation Strategy to Reduce Gas Mixing
Jan 2025
Publication
Large-scale H2 storage in depleted hydrocarbon reservoirs offers a practical way to use existing energy infra structure to address renewable energy intermittency. Cushion gases often constitute a large initial investment especially when expensive H2 is used. Cheaper alternatives such as CO2 or in-situ CH4 can reduce costs and in the case of CO2 integrate within carbon capture and storage systems. This study explored cushion and working gas dyna Read More
Assessing the Viability of Renewable Hydrogen, Ammonia, and Methanol in Decarbonizing Heavy-duty Trucks
Jan 2025
Publication
Decarbonizing heavy-duty trucks (HDTs) is both challenging and crucial for achieving carbon neutrality in the transport sector. Renewable hydrogen (H2) methanol (MeOH) and ammonia (NH3) offer potential solutions yet their economic viability and emission benefits remain largely unexplored. This study presents for the first time a comprehensive techno-economic analysis of using these three renewable fuels to decarbonize HDTs through detailed f Read More
Integration of UN Sustainable Development Goals in National Hydrogen Strategies: A Text Analysis Approach
Jan 2025
Publication
Despite the growing recognition of hydrogen’s potential role in sustainable development there is limited un derstanding of how national hydrogen strategies align with the United Nations Sustainable Development Goals (SDGs). This study addresses this knowledge gap by examining the integration of the SDGs into national hydrogen strategies through text analysis. Among 66 reviewed strategic documents only 15 explicitly reference specific SDGs though SDG Read More
Hydrogen Impact on Transmission Pipeline Risk: Probabilistic Analysis of Failure Cases
Jan 2025
Publication
Transmission pipelines are the safest and most economical solution for long-distance hydrogen delivery. However safety and reliability issues such as hydrogen’s impact on material properties including fracture toughness and fatigue crack growth could restrict pipeline development. This impact may also increase the risk of several pipeline failure causes including excavation damage corrosion earth movement material failures and other hydrogen d 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
Experimental Characterization of Solid Oxide Fuel Cell Hydrogen Fueled in a Residential Small Villa
Jan 2025
Publication
The use of highly efficient cogeneration systems fueled by pure hydrogen such as Solid Oxide Fuel Cells (SOFCs) in the residential sector is one of the new frontiers for achieving the net zero greenhouse gas emissions tran sitions. The lack of experimental studies in this area prompted the authors to propose the present paper. It refers to hydrogen-fueled SOFC 1 kW-sized integrated into the plant system of a single-family villa configurated as a nearly Zero Read More
Multi-state Load Model for Multiple Hydrogen Electrolysers Operation in the Power Grid
Jan 2025
Publication
This paper presents multiple hydrogen electrolysers integrations in the power grid and their operational stra tegies for better performance. Electrolysers have been considered as electrical loads and multi-state load model for the operation of an electrolysers have been proposed. Strategy for the operation of multiple electrolysers at different positions in a grid are formulated and Multi-State Round Robin strategy is proposed. The proposed strategy is val Read More
Economic and Environmental Impact Assessment of Renewable Energy Integration: A Review and Future Research Directions
Nov 2024
Publication
This review article critically examines papers on renewable energy integration (REI) with a specific focus on the economic and environmental impact assessments across multiple sectors including agriculture transportation electricity production buildings and biofuel production. A total of 111 articles from the Web of Science Core Collection database were reviewed using a systematic literature review methodology and content analysis techniques. Th Read More
Hybrid Renewable Multi-generation System Optimization: Attaining Sustainable Development Goals
Jan 2025
Publication
The optimization of hybrid renewable multi-generation systems is crucial for enhancing energy efficiency reducing costs and ensuring sustainable power generation. These factors can be significantly affected by system designs optimization methods climate changes and varying energy demands. The optimization of a stand-alone hybrid renewable energy system (HRES) that integrates various combinations of electricity heating cooling hydrogen Read More
Progress in Carbon Capture and Impurities Removal for High Purity Hydrogen Production from Biomass Thermochemical Conversion
Nov 2024
Publication
Renewable hydrogen production from biomass thermochemical conversion is an emerging technology to reduce fossil fuel consumptions and carbon emissions. Biomass-derived hydrogen can be produced by pyrolysis gasification alkaline thermal treatment etc. However the removal of impurities from biomass thermochemical conversion products to improve hydrogen purity is currently technical bottleneck. It is important to assess and investigat Read More
Future Technological Directions for Hydrogen Internal Combustion Engines in Transport Applications
Oct 2024
Publication
The paper discusses some of the requirements drivers and resulting technological paths for manufacturers to develop hydrogen combustion engines for use in two types of market application – onroad heavy- and light-duty. One of the main requirements is legislative certainty and this has now been afforded – at least in the major market of Europe – by the European Union’s recent adoption into law of tailpipe emissions limits specifically designed to encoura Read More
A Perspective on the Decarbonization of the Metals Industry
Nov 2024
Publication
The decarbonization of the metals industry is a major challenge for the energy transition. Metals are indeed essential elements in the expansion of renewable energy installations worldwide but they also represent a relevant source of carbon emissions. Therefore metals producers need to carefully shift their technologies towards less carbon intensive routes. After ranking all the metals in terms of world production volume and total estimated carbon e Read More
A Comparative Techno-economic Assessment Between Solar-based Hydrogen Production by Methane Pyrolysis and Water Electrolysis Methods
Jan 2025
Publication
The transition towards clean and economically viable hydrogen production is crucial for ensuring energy sustainability and mitigating climate change. This transition can be effectively facilitated by using renewable energy sources and advanced hydrogen production methods. Methane pyrolysis and water electrolysis emerge as crucial techniques for achieving hydrogen production with minimal carbon intensity. Recognizing the unique opportunity pre Read More
Green Hydrogen as a Sustainable Operations Strategy: A Socio-economic Perspective
Nov 2024
Publication
Hydrogen is an energy carrier that can support the development of sustainable and flexible energy systems. However decarbonization can occur when green sources are used for energy production and appropriate water use is manifested. This work aims to propose a socio-economic analysis of hydrogen production from an integrated wind and electrolysis plant in southern Italy. The estimated production amounts to about 1.8 million kg and the LCO Read More
Assessing the Impacts of Low-carbon Intensity Hydrogen Integration in Oil Refineries
Nov 2024
Publication
This paper evaluates the potential impacts of introducing low-carbon intensity hydrogen technologies in two oil refineries with different complexity levels emphasizing the role of hydrogen production in reducing CO2 emissions. The novelty of this work lies in three key aspects: Comprehensive system analysis of refinery complexity using real site data integration of low-carbon Hydrogen technologies long-term and short-term strategies. Two Colombian refi Read More
Research Goals for Minimizing the Cost of CO2 Capture when Using Steam Methane Reforming for Hydrogen Production
Nov 2024
Publication
This paper presents a techno-economic assessment of adding state-of-the-art solvent-based CO2 capture technologies to greenfield steam methane reforming (SMR)-based H2 production plants and quantifies the impacts of improvements in CO2 capture technology. Current conventional capture technologies are reviewed and future technologies in intermediate and long-term scenarios are analyzed. The results show that adding significantl Read More
Composite Membranes for High Temperature PEM Fuel Cells and Electrolysers: A Critical Review
Jul 2019
Publication
Polymer electrolyte membrane (PEM) fuel cells and electrolysers offer efficient use and production of hydrogen for emission-free transport and sustainable energy systems. Perfluorosulfonic acid (PFSA) membranes like Nafion® and Aquivion® are the state-of-the-art PEMs but there is a need to increase the operating temperature to improve mass transport avoid catalyst poisoning and electrode flooding increase efficiency and reduce the cost and co Read More
Market Dynamics and Power Risks in Green Technology Materials: Platinum under the EU 2030 Hydrogen Target
Jan 2025
Publication
The central role of hydrogen in the EU’s decarbonization strategy has increased the importance of critical raw materials. To address this the EU has taken legislative steps including the 2023 Critical Raw Materials Act (CRMA) to ensure a stable supply. Using a leader–follower Stackelberg game framework this study analyzes CRM market dynamics integrating CRMA compliance through rules on sourcing and stockpiling value chain resilience via the inclusi Read More
Coordinating Social Dynamics for Integrating Hydrogen in the Netherlands
Jan 2025
Publication
Integrating hydrogen into energy systems presents challenges involving social dynamics among stakeholders beyond technical considerations. A gap exists in understanding how these dynamics influence the deployment of hydrogen technologies and infrastructure particularly in infrastructure development and market demand for widespread adoption. In the Netherlands despite ambitious strategies and investments comprehensive explanations of social d Read More
Design and Optimal Sizing of a Hydrogen Uninterruptable Power Supply (UPS) System for Addressing Residential Power Cutoffs
Jan 2025
Publication
Hydrogen (H2) offers a green medium for storing the excess from renewables production instead of dumping it thus being crucial to decarbonisation efforts. Hydrogen also offers a storage medium for the grid’s cheap electricity to be used during grid peak demand or grid power cutoffs. Funded by the Scottish Government’s Emerging Energy Technologies this paper presents the design and performance analysis of a hydrogen uninterruptible power suppl Read More
Decentralized Hydrogen-oxygen Co-production via Electrolysis for Large Hospitals with Integrated Hydrogen Refuelling Station
Jan 2025
Publication
In the pursuit of greener and more self-sufficient healthcare operations this study presents an integrated eco nomic and environmental analysis of on-site co-production of oxygen and hydrogen through proton exchange membrane electrolysis specifically designed for the Santa Maria Hospital in Lisbon Portugal. The proposed system aims to meet the hospital’s oxygen demand while simultaneously producing hydrogen for use in fuel cell electric vehicles su Read More
Comparative Techno-Economic Analysis of Gray Hydrogen Production Costs: A Case Study
Jan 2025
Publication
Despite Iran’s considerable renewable energy (RE) potential and excellent wind capacity and high solar radiation levels these sources contribute only a small fraction of the country’s total energy production. This paper addresses the techno-economic viability of gray hydrogen production by these renewables with a particular focus on solar energy. Given the considerable potential of solar energy and the strategic location of Shahrekord it would be an optimal si Read More
Artificial Neural Networks as a Tool for High-Accuracy Prediction of In-Cylinder Pressure and Equivalent Flame Radius in Hydrogen-Fueled Internal Combustion Engines
Jan 2025
Publication
The automotive industry is under increasing pressure to develop cleaner and more efficient technologies in response to stringent emission regulations. Hydrogenpowered internal combustion engines represent a promising alternative offering the potential to reduce carbon-based emissions while improving efficiency. However the accurate estimation of in-cylinder pressure is crucial for optimizing the performance and emissions of these engines. Whil Read More
Knowledge Production in Technological Innovation System: A Comprehensive Evaluation using a Multi-criteria Framework based on Patent Data - A Case Study on Hydrogen Storage
Jan 2025
Publication
Knowledge production activity is central within a technological innovation system. The number of patent ap plications is commonly used to evaluate this activity. However it is subject to bias and inaccurate evaluations can occur. This article proposes a multi-criteria framework based on seven complementary patent indicators taking into account the persistence commitment and coherence of knowledge production activities for a more comprehensive e Read More
Maximizing H2 Production from a Combination of Catalytic Partial Oxidation of CH4 and Water Gas Shift Reaction
Jan 2025
Publication
A single-bed and dual-bed catalyst system was studied to maximize H2 production from the combination of partial oxidation of CH4 and water gas shift reaction. In addition the different types of catalysts including Ni Cu Ni-Re and Cu-Re supported on gadolinium-doped ceria (GDC) were investigated under different operating conditions of temperature (400–650 ◦C). Over Ni-based catalysts methane can easily dissociate on a Ni surface to give hydrog Read More
Thermoeconomic Analysis of a Integrated Membrane Reactor and Carbon Dioxide Capture System Producing Decarbonized Hydrogen
Jan 2025
Publication
In this study a novel thermo-economic analysis on a membrane reactor adopted to generate hydrogen coupled to a carbon-dioxide capture system is proposed. Exergy destruction fuel and environmental as well as pur chased equipment costs have been accounted to estimate the cost of hydrogen production in the aforementioned integrated plant. It has been found that the integration of the CO2 capture system with the membrane reactor i Read More
Production and Storage of Hydrogen from Biomass and Other Sources: Technologies and Policies
Jan 2025
Publication
Hydrogen has emerged as a critical energy carrier for achieving global decarbonization and supporting a sustainable energy future. This review explores key advancements in hydrogen production technologies including electrolysis biomass gasification and thermochemical processes alongside innovations in storage methods like metal hydrides and liquid organic hydrogen carriers (LOHCs). Despite its promise challenges such as high production costs sc Read More
Hydrogen as a Renewable Fuel of Non-Biological Origins in the European Union—The Emerging Market and Regulatory Framework
Jan 2025
Publication
The European Union continues to lead global efforts toward climate neutrality by developing a cohesive regulatory and market framework for alternative fuels including renewable hydrogen. This review article critically examines the recent evolution of the EU’s policy landscape specifically for hydrogen as a renewable fuel of non-biological origin (RFNBO) highlighting its growing importance in hard-to-abate sectors such as industry and transportation. Read More
Palm Trees, Energy Security and Green Hydrogen Futures: Tourists' Views on Mallorca's Low Carbon Transition
Jan 2025
Publication
The development of green hydrogen can provide a welcome boost in energy security particularly for island nations that may be reliant on energy imports or intermittent renewables as part of their energy transition. However the expansion of a green hydrogen economy may have social environmental and economic impacts on tourism-reliant islands which may not be accounted for using typical market assessments. In this study focus groups and an Read More
Navigating the Intersection of Microgrids and Hydrogen: Evolutionary Trends, Challenges, and Future Strategies
Jan 2025
Publication
Growing interest in sustainable energy has gathered significant attention for alternative technologies with hydrogen-based solutions emerging as a crucial component in the transition to cleaner and more resilient energy systems. Following that hydrogenbased microgrids integrated with renewable energy sources including wind and solar have gained substantial attention as an upcoming pathway toward long-term energy sustainability. Hydrogen pro Read More
Optimizing Hydrogen Production for Sustainable Fuel Cell Electric Vehicles: Grid Impacts in the WECC Region
Jan 2025
Publication
The fuel cell electric vehicle (FCEV) is a promising transportation technology for resolving the air pollution and climate change issues in the United States. However a large-scale penetration of FCEVs would require a sustained supply of hydrogen which does not exist now. Water electrolysis can produce hydrogen reliably and sustainably if the electricity grid is clean but the impacts of FCEVs on the electricity grid are unknown. In this paper we develop a com Read More
Optimizing Flexibility and Low-carbon Emissions in Integrated Energy Systems: A Two-stage Robust Optimization Model Invrporating Hydrogen and Carbon Trading
Jan 2025
Publication
Source-load output uncertainty poses significant risks to the stable operation of Integrated Energy Systems (IESs). To ensure safe and stable system operation while optimizing the balance among robustness economic viability and low-carbon emissions this paper presents a two-stage robust optimal scheduling model for IESs. This model is supported by hydrogen-containing electric dual-energy conversion characteristics under source-load unc Read More
An Environmentally Sustainable Energy Management Strategy for Marine Hybrid Propulsion
Jan 2025
Publication
Integrating electric technologies such as battery energy storage systems and electric propulsion has become an appealing option for reducing fuel consumption and emissions in the transportation sector making these technologies increasingly popular for research and industrial application in the maritime sector. In addition hydrogen is a promising technology for reducing emissions although hydrogen production technologies significantly in Read More
Hydrogen Admixture Effects on Natural Gas-Oxygen Burner for Glass-melting: Flame Imaging, Temperature Profiles, Exhaust Gas Analysis, and False Air Impact
Jan 2025
Publication
An experimental investigation is carried out to evaluate the effect of introducing hydrogen into natural gas flames on the combustion process (different temperature profiles flame locations and burning velocity) in glass melting furnaces. This work considers the fundamental changes in a non-premixed natural gas-oxygen flame (referred to as oxyfuel flame) with varying levels of hydrogen admixtures ranging from 0 to 100 vol%. To facilitate meaningful d Read More
Advances in Hydrogen Storage Technologies
Jan 2025
Publication
Gaseous hydrogen storage is the most mature technology for fuel cell vehicles. The main safety concern is the catastrophic consequences of tank rupture in a fire i.e. blast waves fireballs and projectiles. This paper sum marises research on the development and validation of the breakthrough microleaks-no-burst (μLNB) safety technology of explosion-free in any fire self-venting Type IV tanks that do not require a thermally-activate pressure relief device (TP Read More
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