Articles tagged with Hydrogen Energy
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 developed high-performance catalysts that convert ortho hydrogen to para hydrogen before liquefaction, reducing energy release and partial vaporization of liquid hydrogen. This innovation is expected to contribute to the development of a hydrogen economy in Japan.
Researchers at the University of Toronto and the University of Ottawa have discovered large volumes of natural hydrogen in the Canadian Shield, which could provide a domestic source of cost-effective energy. The study suggests that harnessing this resource could reduce greenhouse gas emissions and support local industry hubs.
A new international study confirms that erosion plays a key role in forming and accumulating natural hydrogen in mountain ranges. The Pyrenees and Alps are identified as key targets for natural hydrogen exploration, with the right conditions allowing for efficient serpentinization and hydrogen production.
A study by UC Irvine researchers found that renewable electrolytic hydrogen produces its greatest societal value when applied to steelmaking, transoceanic shipping, and long-haul heavy-duty trucking. The study suggests that these sectors can benefit from the transition to hydrogen, often offsetting additional costs.
Researchers from the University of Birmingham have developed a novel perovskite catalyst that can produce substantial yields of hydrogen in a temperature range of 150-500°C, and be regenerated at temperatures between 700 and 1000°C. The process is more cost-effective than green or blue hydrogen production methods.
Researchers developed a perovskite-type ceramic catalyst that maximizes ethanol-to-hydrogen conversion through exsolution of nickel nanoparticles. The study demonstrated the importance of calcination temperature in controlling catalyst performance.
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.
A team of scientists, led by Associate Professor Jiangtao Cheng, has discovered a previously unreported method to get a puddle of water up to 1 cm wide to jump into the air. The bursting energy of bubbles trapped inside the droplets is key to this phenomenon.
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.
A new study from Chalmers University finds that local water supply is critical to the success of Europe's hydrogen initiative, with some regions facing severe water shortages if production is not planned carefully. The research suggests that areas like Sweden's Sörmland and Roslagen could be hard-pressed even without hydrogen production.
A new ceramic material overcomes long-standing limits in proton conductivity, achieving record-high performance at intermediate temperatures. The innovative donor co-doping strategy combines increased proton concentration and mobility with chemical stability under various environments.
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 develop synthesis method for metal-single atom catalysts that boosts electrolysis-based hydrogen production. The new method produces high purity H2 with only oxygen as a by-product and demonstrates outstanding catalytic performance.
A bottleneck in hydrogen distribution is jeopardizing billions in clean energy due to slower development of pipeline networks and liquefaction plants. This critical issue could undermine major investment programs and make hydrogen uncompetitive if addressed.
Researchers developed a novel thin-film electrolyte design using samarium-doped cerium oxide, achieving record-setting oxide-ion conductivity at medium temperatures. This innovation addresses key technical limitations of existing solid oxide fuel cells, paving the way for widespread adoption.
A hybrid material combining vanadium cluster and carbon nanotubes acts as a molecular switch toggling between oxygen and hydrogen production. The 'switch' is controlled by the arrangement of organic cations, which modulate the local electrochemical microenvironment.
Eight SwRI hydrogen projects funded by ENERGYWERX will evaluate new technology and existing infrastructure for a hydrogen-powered future. The projects, conducted at SwRI's Metering Research Facility, aim to improve energy infrastructure and support the use of clean-burning fuel.
Researchers developed three advanced strategies to create ordered membrane electrode assemblies for high-efficiency anion exchange membrane water electrolysis. The first strategy uses nanoimprinting, while the second employs integrated membrane electrodes. The third strategy leverages 3D interlocked interfaces, achieving exceptional pe...
Two University of Houston scientists, Zhifeng Ren and Yan Yao, have been named Highly Cited Researchers by Clarivate's program for their significant scientific influence in energy research. Their work has led to transformative discoveries and innovations in superconductivity and energy storage.
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.
Researchers at Kumamoto University have developed a flexible solid electrolyte material with exceptional proton conductivity and hydrogen gas barrier properties, making it suitable for low- to mid-temperature fuel cells. The material enables stable operation across a wide temperature range, from -10 °C to 140 °C, and shows promise for ...
WSU researchers developed a mathematical model to optimize liquid hydrogen storage tank operations, identifying areas where boil-off losses occur and proposing changes to minimize them. By refining the process, they aim to make hydrogen a cleaner and more feasible fuel source for transportation and industry.
Researchers from Tohoku University have discovered a new material that can conduct both protons and electrons efficiently at intermediate temperatures. The material, titanium dioxide doped with niobium, enhances proton conductivity by up to 10 times, making it suitable for next-generation fuel cells and hydrogen separation membranes.
Researchers at Linköping University developed a new combined material to produce 'green' hydrogen more effectively. The material uses sunlight to split water into hydrogen, promising a renewable energy source for heavy transport.
Researchers have made significant breakthroughs in green hydrogen production through anion-exchange membrane water electrolysis, enhancing OER catalysts for reduced costs. A new cathode catalyst has also been developed to improve alkaline HER performance.
Researchers at University of Oxford provide key ingredients for finding natural geological hydrogen, essential for a carbon neutral future. The discovery could unlock a commercially competitive, low-carbon hydrogen source, contributing significantly to the global energy transition.
The new electrolysis test centre at TU Graz enables researchers to conduct realistic tests on next-generation large engines, turbines, and fuel cell stacks. The facility produces up to 50 kilogrammes of hydrogen at full capacity.
A Northwestern University study reveals that water molecules flip before releasing oxygen atoms, significantly increasing energy consumption. Increasing pH levels of water reduces this energy cost, making water splitting a more practical and cost-effective process.
A Northwestern University-led team directly observes a catalytic event in real time, discovering short-lived intermediate molecules and a previously hidden reaction pathway. This breakthrough enables scientists to understand how catalysts work, potentially leading to more efficient and sustainable chemical processes.
A novel artificial solid electrolyte interface based on non-coordinating charge transfer significantly improves the stability of aqueous zinc metal batteries. This design enhances cycle life, reduces side reactions, and promotes uniform zinc deposition, leading to improved battery performance.
A Cornell University-led collaboration has developed a low-cost method to produce carbon-free 'green' hydrogen via solar-powered electrolysis of seawater. The process produces 200 milliliters of hydrogen per hour with 12.6% energy efficiency directly from seawater under natural sunlight.
Virginia Tech aims to establish a hydrogen innovation hub using natural gas conversion technology, producing cleaner and more economically viable products. The project's goal is to reduce methane and carbon dioxide emissions by transforming potent greenhouse gases into less harmful high-value products.
Scientists use FAST to analyze FRB 20201124A and discover 90% circular polarization, a record high. The findings contradict theoretical models, suggesting pulsar-like mechanisms may be more plausible.
Dr. Rita Okoroafor's research integrates geochemistry, geomechanics, and reservoir engineering to improve understanding of fluid-rock interactions in subsurface technologies. Her work enhances hydrogen storage efficiency, optimizes geothermal reservoir performance, and improves CO2 storage security.
Scientists at NTU Singapore have developed a solar-powered method to transform sewage sludge into green hydrogen and single-cell protein, reducing environmental damage and creating renewable energy and sustainable food. The three-step process recovers 91.4% of organic carbon and converts 63% into single-cell protein without producing h...
A study published in Physical Review Letters suggests that a mysterious phenomenon at the center of our galaxy may be caused by a lighter form of dark matter. The research team detected unusual energy signatures radiating from this region, which they believe could be produced by the annihilation of tiny dark matter particles.
A POSTECH research team has developed a new catalyst using aluminum, improving the performance of hydrogen production in alkaline water electrolysis by approximately 50%. The aluminum catalyst maintained high current density and excellent stability, making it suitable for large-scale hydrogen production.
A team of researchers from the University of Trento has developed a new method for producing clean hydrogen through photoelectrochemistry, utilizing two-dimensional materials. The study shows that these materials can break the chemical bond of water molecules to produce hydrogen with superior performance compared to previous methods.
A new study by the University of Texas at Austin estimates that by 2050, new hydrogen production facilities in Texas could account for 2-6.8% of water demand in the state, disproportionately affecting water-stressed regions like the Gulf Coast.
Scientists have developed a novel palladium-based nanosheet catalyst that matches platinum's performance in hydrogen production, making it a promising low-cost alternative. The discovery demonstrates excellent durability and stability, aligning with the United Nations' Sustainable Development Goals.
A team of researchers from the Dalian Institute of Chemical Physics has developed a high-water-soluble pyrene tetraone derivative that enhances the energy density of aqueous organic flow batteries. The new monomer achieves an ultra-high volumetric capacity of approximately 90 Ah/L, with excellent stability and cycling performance.
Researchers at Nagoya University have developed a method of artificial photosynthesis that uses sunlight and water to produce energy and valuable organic compounds from waste organic compounds. The technique, called APOS, represents a significant step toward sustainable energy and chemical production.
A team of researchers at SLAC National Accelerator Laboratory and Leiden University identified the cause of platinum electrode corrosion in water electrolyzers. Using high-energy-resolution X-ray spectroscopy techniques, they found that platinum hydride formation is responsible for the degradation.
Researchers develop a new electronic fine-tuning approach to enhance the interactions between zinc and ruthenium, resulting in a highly active and stable catalyst for both oxygen reduction reaction and hydrogen evolution reaction. This breakthrough offers a cost-effective alternative to conventional platinum-based catalysts.
A team of researchers found that mountain ranges with deep mantle rocks near the surface are ideal for large-scale natural hydrogen generation and accumulation. This process, called serpentinization, can produce up to 20 times more hydrogen than in rift environments, providing a promising alternative to synthetic hydrogen production.
A research team at USTC has introduced a new chemical battery system utilizing hydrogen gas as the anode, achieving exceptional electrochemical performance and a round-trip efficiency of 99.7%. The Li-H battery demonstrated high theoretical energy density and stable voltage, making it a strong candidate for next-generation power storage.
Researchers developed AshPhos, a ligand that facilitates the formation of carbon-nitrogen bonds using inexpensive materials. The tool has potential applications in pharmaceuticals, nanomaterials, and degrading PFAS pollutants.
Researchers have developed a Zn-decorated GaN nanowire catalyst that efficiently converts CO2 and H2O into methane and hydrogen peroxide under light irradiation. The catalyst achieves high conversion rates with 93.6% selectivity and maintains activity for over 80 hours, providing a practical solution for sustainable fuel production.
Researchers at Pohang University of Science & Technology have developed a technology that uses microwaves to produce clean hydrogen in minutes, overcoming limitations of existing methods. By leveraging microwave energy, the team achieved significant breakthroughs in reducing production temperatures and time.
The collaboration aims to drive innovation in renewable energy technologies, focusing on advancements in solar, wind, and other new and renewable energy systems. Research efforts will also study microgrid technologies, grid management solutions, and explore energy-efficient buildings and processes.
Researchers at Ulsan National Institute of Science and Technology developed foldable molecular paths using zeolitic imidazolate frameworks, which can adjust size, shape, and alignment in response to temperature, pressure, and gas interactions. This technology has potential applications in creating filters that adapt to capture harmful ...
Researchers at Flinders University and Baylor University have made a breakthrough in generating sustainable and efficient hydrogen from water using solar power. A novel solar cell process, combined with a catalyst, could be used to produce pollution-free hydrogen energy.
Researchers at King's College London developed a new method to produce biofuels from fatty acids in cooking oil, making it as effective as diesel with improved efficiency. The technology uses enzymes to break down fatty acids into alkenes, reducing the need for conventional catalysts and toxic chemicals.
A study by University of Copenhagen researchers highlights the challenges in investing in green hydrogen projects, citing market risks, regulatory uncertainty, and high costs. Oil and gas companies are better positioned to finance large-scale hydrogen projects due to their expertise and infrastructure.
The concept uses two-step conversion of surplus electricity into hydrogen and synthetic fuels, storing energy in the form of methane and methanol. Biogas plants are used to produce CO2, which is then converted into these molecules. The stored energy can be used to fuel hydrogen-powered vehicles or generate electricity.
Experts reveal how new photocatalytic sheets and reactors can split water into hydrogen and oxygen using sunlight. The breakthrough could make solar energy conversion a practical option, but challenges remain, including efficiency and safety concerns.
Researchers developed a nano-patterned copper oxide sensor to detect hydrogen at low concentrations, outperforming previous CuO-based sensors. The sensor detects hydrogen concentrations as low as 5 parts per billion and responds quickly, making it suitable for leak detection and ensuring safe adoption of hydrogen technologies.
A UCF researcher is working with PACCAR to create a hydrogen-based combustion engine for heavy-duty vehicles, aiming to reduce nitrogen oxide emissions. The project aims to develop a cleaner alternative to diesel fuel, which is currently the dominant choice for commercial vehicles.