Articles tagged with Hydrogen
SwRI successfully developed an optimized spark-ignited hydrogen engine for medium-duty commercial vehicles, demonstrating diesel-like torque characteristics while producing near-zero tailpipe CO2 emissions. The engine was designed, constructed, and rigorously tested to ensure efficiency and performance.
Researchers have found that hydrogen-induced embrittlement can be twice as severe in Nickel-base superalloys at elevated temperatures, posing a challenge for gas turbine safety and reliability. The study suggests that designing temperature-specific alloys with tailored microstructures could help mitigate this issue.
A comprehensive study has consolidated knowledge on the production of green hydrogen for jet fuel, highlighting its potential to transform the sector. To make it commercially viable, significant research is needed on hydrogen infrastructure needs, refuelling systems, and policy frameworks.
Japanese researchers have developed a catalyst that selectively degrades polyurethane in mixed plastic waste, allowing for the separation and chemical recycling of complex materials. The breakthrough opens up new possibilities for waste management, particularly in industries such as end-of-life vehicle recycling and mattress disposal.
University of Delaware researchers have developed a spray-jet method that recovers precious metals and other materials from used hydrogen-energy devices. The new recycling approach uses no harsh chemicals or burning, preserving the membrane itself while extracting platinum and iridium separately.
Researchers found that non-thermal plasma prevents catalyst deactivation and maintains stable performance for 30 hours. The study links performance difference to changes in surface processes on the catalyst.
Researchers aim to create a physics-based forecasting tool that predicts degradation and durability of TiFe-based metal hydride vessels through a chemical and thermo-mechanical framework. The tool will enable accurate lifecycle assessments of solid-state hydrogen storage systems.
Insufficient insurance coverage for emerging hydrogen technologies threatens the global net-zero energy transition. The article highlights the need for closer collaboration between engineers, industry, academia, and insurers to address unmanaged risks and unlock wider deployment of hydrogen systems. Parametric insurance and performance...
A new study finds that approximately 15% of current global warming is attributed to 'indirect greenhouse gases,' including carbon monoxide and nitrogen oxides. The authors call for integrating these gases into climate policy frameworks, emphasizing their significant impact on warming.
Researchers at MPI-SusMat discovered that adding specific metal oxides as catalytic precursors can double the reduction kinetics of hydrogen-based metal production, allowing for reduced energy use. This breakthrough enables lower reduction temperatures, shorter processing times, and reduced energy consumption.
Researchers developed a Pd-Ni5P4/DCEFS system that bridges the gap between sensitive sensing modules and high-performance therapeutic actuators. The closed-loop mechanism dynamically modulates hydrogen release based on endogenous NO concentration, creating an ideal microenvironment for macrophage polarization and wound healing.
Researchers at Colorado State University have measured a hydrogen proton's radius to be 0.84 femtometers, resolving the long-standing scientific discrepancy that has puzzled scientists for years. The finding confirms the Standard Model theory and opens a door for further study, revealing subtle issues in earlier measurements.
A deep learning model combines knowledge from different catalyst families to identify a top-performing green hydrogen catalyst. The AI correctly predicted the activity ranking of 12 tested catalysts within a previously unexplored material family.
The EU's plans for domestic production of fossil-free aviation fuels risk steering development towards more expensive and energy-intensive pathways. A study from Chalmers University of Technology found that the current regulatory framework favours combustion-based alternatives over gasification, leading to increased costs and energy use.
Researchers develop solar-powered technology to convert plastic waste into valuable fuels, including hydrogen and syngas, reducing reliance on fossil fuels and addressing pollution challenges.
Researchers have developed a new approach to unlocking hydrogen from magnesium hydride using catalysts, which can reshape the release process and make it more efficient. This breakthrough has significant implications for the development of hydrogen-based energy systems and could support their broader adoption.
Scientists at Kyushu University have developed a simple method to produce hydrogen gas by mixing methanol with iron ions and irradiating it with UV light. The reaction produces a considerable amount of hydrogen gas comparable to that of previously reported systems, opening up new possibilities for sustainable hydrogen technologies.
Researchers focus on developing transformer efficiency and heat recovery to enhance hydrogen production energy efficiency. The goal is to significantly reduce electricity consumption by up to 35% and increase net efficiency to 85%.
A study analyzing municipal data identifies seven high-potential production clusters and ten consumption clusters in Brazil, highlighting the need for infrastructure investments to connect energy and industrial hubs. The research reveals a spatial disparity between production and consumption sites, posing a challenge for developing the...
Researchers have developed a 3D electrode inspired by an aquatic plant, which captures and transports gas bubbles to increase hydrogen production. The design achieved a current density eight times higher than common flat electrodes, collecting 53.9% more hydrogen.
The research team developed a two-terminal-based AI semiconductor that precisely controls hydrogen with electrical signals, resolving speed degradation and high power consumption limitations. The device ran stably for over 10,000 repetitive operations and demonstrated learning and memory functions similar to human brain synapses.
A new Y-doped catalyst has been developed to efficiently transform ammonia into sustainable hydrogen energy, enabling a cleaner energy future. The catalyst, composed of nickel and yttrium, improves the performance of the ammonia decomposition reaction, overcoming issues of intrinsic activity and energy barriers.
Researchers have charted a transformative path toward sustainable hydrogen peroxide production through the two-electron oxygen reduction reaction. The 'generate-and-use' approach eliminates hazardous storage and long-distance transport, making it ideal for remote areas and decentralized industrial applications.
Researchers developed a new catalyst strategy that uses BaSi2 as a support for nickel and cobalt to decompose ammonia at lower temperatures. This enables high hydrogen-production activity at reduced temperatures, matching the performance of ruthenium while relying on Earth-abundant metals.
Researchers in the EU project SUPREME are working on a PFAS-free electrolysis technology that can produce green hydrogen more sustainably and efficiently. The team is developing alternative materials to replace iridium, aiming to reduce its use by up to 75% and recycle 90% of it.
Developed at Tohoku University's Advanced Institute for Materials Research, the new catalyst enables smoother hydrogen formation under alkaline conditions. The auxiliary-driving strategy improves both steps of the hydrogen evolution reaction, resulting in higher hydrogen evolution activity and efficient production with low energy loss.
Researchers have created a process to produce clean hydrogen from freshwater and seawater using liquid metals powered by sunlight. The method avoids many obstacles in current hydrogen production methods, including the need for purified water and high costs. The team is working to improve efficiency for commercialization.
Researchers at Chalmers University of Technology have developed a compact, humidity-tolerant sensor that detects hydrogen gas in humid environments. The sensor uses platinum nanoparticles to measure the concentration of hydrogen by analyzing the thickness of a water film on its surface.
Researchers identify manganese as a promising pathway to reduce dependence on scarce precious metals in acidic water electrolysis. Manganese-based materials offer exceptional stability and performance enhancement in next-generation hydrogen production technologies.
Researchers at Tohoku University developed DIVE, an AI multi-agent workflow that extracts information from images to propose new materials within minutes. The system outperforms commercial models, offering 10-15% better accuracy and coverage of data extraction.
Researchers highlight graphene-based technologies for removing microplastics, pharmaceutical residues, and radioactive contaminants. Graphene-based membranes and catalytic degradation offer powerful tools for pollutant removal, with potential for comprehensive treatment systems.
Researchers have discovered a new solid-state hydrogen carrier called layered hydrogen silicane (L-HSi) that can release hydrogen under ambient temperature and pressure. L-HSi exhibits high gravimetric hydrogen capacity and is stable, making it a promising alternative to conventional hydrogen storage systems.
Researchers highlight advancements in fluidized bed design, oxygen carrier materials, and performance of chemical looping systems. They emphasize the importance of controlling fluidization regime and developing physical standards for oxygen carriers.
A novel osmium-based photocatalyst effectively captures long-wavelength visible light, improving solar-to-hydrogen energy conversion efficiency. The new material can harness a broader range of sunlight, generating more excited electrons to enhance hydrogen-evolution performance.
Rising hydrogen emissions since 1990 have indirectly intensified climate change by consuming natural detergents that destroy methane. Hydrogen's presence in the atmosphere also produces greenhouse gases like ozone and stratospheric water vapor, affecting cloud formation.
A study by Universitat Autonoma de Barcelona finds that fossil fuel companies' promoted low-carbon projects are ineffective in reducing emissions and prolonging the lifespan of fossil fuel infrastructures. These projects reinforce the industry's power and aggravate environmental injustice, while delaying a rapid phase-out of fossil fuels.
Researchers at Max Planck Institute present efficient and low-CO2 process to extract copper, nickel, and cobalt from deep-sea ore nodules. The method generates significantly less waste and deforestation compared to traditional land-based mining.
Dr. Muhammad Aziz shares his research on chemical looping technology for clean hydrogen production. He discusses advanced oxygen carrier materials and process intensification strategies to boost efficiency.
Recent breakthroughs in chemical looping technology enable high purity hydrogen generation alongside carbon dioxide separation, reducing emissions. Dr. Aziz's research advances material behavior, reactor configurations, and system optimization for near zero emission hydrogen systems.
Researchers at the Institute of Industrial Science, The University of Tokyo, have precisely detected quantum tunneling of hydrogen atoms in palladium metal. Hydrogen atoms can pass through energy barriers via quantum tunneling due to 'quantum' effects.
Researchers developed a comprehensive roadmap for additive-manufacturing of key components at <100 °C, reducing platinum use and assembly steps. The work showcases 3D-printed hydrogen components with ultra-low precious-metal loading and rapid prototype-to-test cycles.
Dr. Muhammad Aziz presents his cutting-edge research on chemical looping-based hydrogen production, generating high-purity hydrogen and capturing CO2 while recovering usable heat or power. His work spans from microscopic analysis to system-level integration across energy and heavy industries.
The upgraded engine features a state-of-the-art turbocharger, increasing peak torque from 1,494 to 1,760-foot pounds and peak power from 370 to 440 horsepower. The engine's peak efficiency has also improved to 44.0%, class-leading for a spark-ignited engine.
Researchers developed a transparent and interpretable model to predict performance metrics of hydrogen storage materials, using atomic features as key descriptors. The model identified a fundamental trade-off between high capacity and suitable thermodynamic stability, revealing unique beryllium-based alloys with balanced characteristics.
The upgraded facility enables testing of hydrogen-natural gas blends, exploring effects on pipeline systems and flow measurement technologies. SwRI aims to demonstrate the process needed to upgrade natural gas infrastructure to accommodate hydrogen, supporting efforts to decarbonize industries.
The program aims to train 40 people over three years with a focus on experiential learning, offering hands-on training and internships in hydrogen safety, production, use, and infrastructure manufacturing. Students will gain theoretical knowledge about hydrogen while also getting industry experience.
Researchers from Chiba University have discovered a way to reduce platinum requirements in water electrolysis by adding purine bases, increasing hydrogen evolution reaction activity by 4.2 times. This development could make hydrogen production far more affordable and lead to cost reductions and improved energy conversion efficiency.
Research finds that surface roughness influences the formation and size of hydrogen-related defects in iron, leading to a new approach to material design. The study provides fundamental understanding of hydrogen embrittlement mechanisms and could reduce life-cycle costs of hydrogen technologies.
A team of researchers from Worcester Polytechnic Institute has developed a new approach to producing hydrogen using plasma technology and metal alloys. The method reduces energy consumption and carbon emissions compared to traditional methods, making it more environmentally friendly and potentially affordable.
Scientists have made significant progress in developing iron-based solar fuel systems, which could pave the way for cheaper and more sustainable fuels. The study reveals new mechanisms that enable efficient charge transfer between light-absorbing molecules and acceptor molecules, reducing energy losses and increasing efficiency.
A new way to produce ammonia more efficiently has been discovered by boosting its production using low-temperature plasma. This method could create ammonia in smaller facilities closer to where it is needed, making it safer and easier to transport, and potentially leading to a transformative change in energy storage and transportation.
Researchers have discovered a large pipe swarm with remnants of hydrogen hydrothermal activity west of the Mussau Trench. The discovery suggests that a huge amount of hydrogen may have been formed deep in the ocean lithospheric mantle, potentially leading to economically mineable reserves.
A comprehensive review of transition metal-based electrocatalysts for microbial electrochemical hydrogen production has been published, highlighting the progress made over 15 years. The research provides a roadmap for advancing practical and sustainable microbial electrolysis cells.
A research team developed a photochemical strategy to realize heterolytic H2 dissociation using gold-loaded titanium dioxide as a model photocatalyst. The reaction was driven by electron-hole pairs formed upon UV irradiation, producing reactive H2 species that selectively reduced polar functional groups.
A team of researchers has discovered a novel oxide material that can produce high-efficiency clean hydrogen using only heat. The discovery was made possible by a new computational screening method and has the potential to transform industries such as methane reforming and battery recycling.
Researchers have developed engineered supramolecular crystals that optimize hydrogen storage performance with notable volumetric and gravimetric capacities. These advancements hold potential for improving the efficiency of hydrogen-powered vehicles and other technologies.
Researchers have discovered a way to distinguish identical medicines at the molecular level, allowing for the tracing of counterfeit or stolen medicine. The technology focuses on variants of chemical elements such as isotopes of carbon, hydrogen, and oxygen.
Researchers developed nanosized, porous oxyhalide photocatalysts that achieve record performance in producing hydrogen from water and converting carbon dioxide to formic acid using sunlight. The breakthrough offers a scalable, eco-friendly approach to solar fuel production by carefully controlling particle size and structure.
Researchers developed a novel nanoconfinement strategy to deliver molecular hydrogen for diabetic bone repair. The innovative implant achieves controlled and sustained H2 release, promoting bone regeneration and neural network formation. This technology addresses key limitations of conventional H2 therapy.
Researchers at SwRI create a custom test rig to study how blending hydrogen into liquid natural gas affects storage tank temperatures and steel material integrity. The goal is to determine if tanks can endure lower temperatures without compromising safety.