Articles tagged with Hydrogen
Researchers investigate how water molecules react with or on nanoparticle surfaces in aqueous solutions. They found that acidic conditions cause water molecules to split on hematite nanoparticles, while basic pH is required for anatase nanoparticles.
Rice University engineers have created a device that converts sunlight into hydrogen with unprecedented efficiency, opening up new possibilities for clean energy and sustainable fuel production. The innovative technology uses halide perovskite semiconductors and electrocatalysts in a single, durable device.
Researchers at the UvA have created flexible cobalt chitosan spheres that act as catalysts for hydrogen generation, enabling controlled release and stability. This breakthrough could provide a safe source of hydrogen with high storage capacity.
Researchers at West Virginia University are developing a hydrogen flexible boiler to decarbonize the food and beverage industry. The technology, proposed by Hailin Li, will supply thermal energy by burning clean fuel rather than traditional fossil fuels.
The UK Research and Innovation has awarded £53 million in funding to six research centers to boost knowledge, create innovative green technologies, and reduce energy demand. The focus is on developing game-changing ideas to improve domestic, industrial, and transport energy systems.
A new study finds public backing for biofuel and hydrogen as alternative fuels to reduce greenhouse gas emissions in the global shipping industry. The research suggests that nuclear power is also a viable option, while ammonia has the least public support due to its perceived risks.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers at Leibniz-HKI have confirmed experimentally that bacteria use electrons from hydrogen to produce organic compounds. This breakthrough could make microbial electrosynthesis (MES) a commercially viable technology, producing ethanol and other fuels while storing excess electricity. The study optimized the process for high yie...
Researchers confirm hydrogen inhalation improves brain function and alleviates pathological damage caused by hindlimb unloading. The study suggests a potential protective measure for astronauts during spaceflight, involving changes in PGC-1α and BDNF expression.
A new research project, LC-H2, will develop next-generation electrodes to boost energy efficiency in electrolysis. This will help reduce grey hydrogen's carbon footprint and increase the share of green hydrogen in European energy systems.
A new supply chain model has been developed to guide the transportation of hydrogen and its embodied energy, enabling more efficient exports of renewable energy. The model suggests that methanol shows great promise as a chemical carrier for exporting renewable energy from Australia at low costs.
Researchers at Brookhaven Lab used pulse radiolysis to study a key class of water-splitting catalysts, revealing the direct involvement of ligands in the reaction mechanism. The team discovered that a hydride group jumped onto the Cp* ligand, proving its active role in the process.
Researchers at Pohang University of Science & Technology developed a selective catalyst that curbs corrosion in fuel cells, increasing durability three times compared to traditional catalysts. The catalyst's performance is attributed to the robust interaction between titanium dioxide and platinum.
Study in Florida Bay reveals that turtlegrass can successfully recruit into open bare sediment following die-off events due to biomass partitioning and efficient oxidation. However, recovery of seagrass meadows takes time, with full recovery taking at least a decade.
A new method has been developed to detect hydrogen cyanide (HCN) in exhaled breath, which is associated with Pseudomonas aeruginosa infection in cystic fibrosis patients. The flow-assisted photoionization mass spectrometry method enables real-time tracking of HCN concentrations, allowing for early screening and diagnosis.
Lutz Grossman aims to create a protein-rich food source using hydrogenotrophic bacteria, which require no agricultural inputs. His goal is to produce a sustainable alternative to traditional protein sources, addressing global food security concerns.
The report forecasts the complementary roles of battery and hydrogen technologies in achieving net zero in the UK by 2050. Hydrogen is expected to play a key role in manufacturing, while batteries will provide storage and flexibility for the grid.
Researchers used NASA InSight data to directly measure Mars' core properties, finding a completely liquid iron-alloy core with high percentages of sulfur and oxygen. This discovery provides new insights into Martian formation and geological differences between Earth and Mars, potentially impacting planetary habitability.
Researchers have developed a proof of concept for a superconducting highway that can transport vehicles and electricity, leveraging liquid hydrogen cooling to address the challenge of low-temperature superconductor operation. The system enables speeds of at least 400 miles per hour and integrates multiple uses, making it more affordable.
Researchers have developed a new method using co-thermal in-situ reduction of inorganic carbonates to produce high-purity CO with a selectivity of 95.8%, reducing carbon-dioxide emission and offering potential for green hydrogen production.
Researchers at Tokyo Institute of Technology have discovered a new approach to improve the performance of thermoelectric materials by substituting hydrogen for oxygen. This substitution reduces thermal conductivity while maintaining high electronic conductivity, leading to improved thermoelectric conversion efficiency.
Researchers at Tokyo University of Science have developed a novel platinum nanocluster catalyst that exhibits 2.1 times higher oxygen reduction reaction activity than commercial catalysts. The study reveals that the high activity is due to the electronic structure of surface Pt atoms, which is suitable for ORR progress.
The HERA team has improved the sensitivity of a radio telescope, allowing them to detect radio waves from the cosmic dawn era. The data suggests that early galaxies contained few elements besides hydrogen and helium, unlike modern galaxies.
Researchers have found a new water reservoir on the Moon, discovered in impact glass beads, which can buffer the lunar surface water cycle. The study suggests that these beads can store and release solar wind-derived water, indicating their potential for in-situ resource utilization.
A team of researchers at KAUST has developed a biological method to produce size-controlled palladium nanoclusters anchored on the surface of Geobacter sulfurreducens, outperforming benchmark catalysts in water-splitting reactions. This eco-friendly approach could provide a sustainable solution for high-performance catalysis.
A research team uncovered a specific kill mechanism responsible for several biotic disruptions during the late Devonian Period. The discovery linked sea level changes, climate fluctuations, and ocean chemistry to mass extinctions, with implications for today's oceans affected by global warming.
The study found that operating temperatures between 70-90°C enhance electrical performance as long as reactant humidity is maintained high. Water diffusivity and electro-osmotic drag improve ion conductivity despite increased current densities.
Scientists at the University of Innsbruck have successfully measured tunneling reactions in molecular chemistry, confirming a precise theoretical model. The experiment used hydrogen and deuterium isotopes to demonstrate the quantum mechanical tunnel effect in a slow ion-molecule reaction.
Astronomers have cataloged over 51,863 Lyman-alpha-emitting galaxies, 123,891 star-forming galaxies, and 4,976 active galactic nuclei using HETDEX's spectroscopic data. The survey is a non-targeted, moon-sized survey that collects spectra from 35,000 fiber optic cables, providing a unique dataset for future galaxy mapping.
Researchers at Aarhus University are studying electro-trophic microorganisms that convert green electricity and CO2 into high-value products. The project aims to understand the underlying mechanisms of these microbes, which could lead to breakthroughs in microbiological Power-to-X and novel tools for microbial corrosion prevention.
A team of researchers has successfully produced green hydrogen from seawater without pre-treatment, achieving nearly 100% efficiency. This breakthrough uses a non-precious and cheap catalyst in a commercial electrolyser, offering a solution to directly utilize seawater for hydrogen production.
A new study suggests that producing the same amount of steel with zero emissions is unlikely, and that reducing demand through material efficiency and upcycling could be key. The research highlights the need for a more strategic approach to decarbonization, rather than relying on technological innovations alone.
Researchers have detected a radio signal from atomic hydrogen in an extremely distant galaxy at redshift z=1.29, marking the largest distance so far. The signal was amplified by gravitational lensing, allowing the team to observe the galaxy's atomic hydrogen mass, which is almost twice its stellar mass.
Researchers at Ruhr-University Bochum develop base metal oxide nanoparticles that improve the water splitting process for green hydrogen production. Cubes outperform spheres as catalyst particles, increasing activity and efficiency.
A joint research team from China has discovered high concentrations of hydrogen and low deuterium/hydrogen ratios in lunar soil grain rims consistent with solar wind origin. This finding suggests that the bulk water content in Chang'e-5 lunar soils is around 46 ppm, which could be higher in polar regions.
Researchers found that molecular hydrogen improved neuropathic pain symptoms and related emotional disorders in mice models. The treatment, which targets analgesic, anti-inflammatory, anxiolytic, and antidepressant effects, may offer a more effective and global treatment with fewer side effects.
Researchers at the University of California, Riverside, have created a novel method to break down per- and polyfluoroalkyl substances (PFAS), also known as 'forever chemicals', in contaminated water. The hydrogen-infusion and UV light-based process achieves high molecular destruction rates without generating unwanted byproducts.
Researchers at Chalmers University have developed an optical hydrogen sensor that can detect extremely low levels of hydrogen, allowing for early detection and alarm. The sensor uses AI technology to optimize particle arrangement and geometry, achieving sensitivity in the parts per billion range.
Researchers at Oak Ridge National Laboratory have discovered genetic markers for autism, developed recyclable composites to drive the net-zero goal, and created a tool for real-time building evaluation. Additionally, they have made significant progress in growing hydrogen-storage crystals using a novel nano-reactor material.
A team of researchers from Japan Advanced Institute of Science and Technology has discovered thermodynamically stable phases in Y–Ce–H and La–Ce–H systems that exhibit high-temperature superconductivity. Calculations predicted Tc values of up to 173 K, paving the way for the development of more energy-efficient and sustainable societies.
Scientists have recorded photocatalysis charge separation processes experimentally on Cu2O particles, revealing rapid electron transfer and slower hole trapping, enabling better understanding of photocatalytic water splitting limitations. The technique allows for spatiotemporal imaging of charge transfer in photocatalyst particles.
A new study tracks deuterium in raindrops to better understand the Earth's water cycle and its changes due to global warming. The researchers shed light on how regional climate conditions impact deuterium excess.
A team of researchers using the Five-hundred-meter Aperture Spherical Telescope (FAST) has discovered a massive atomic gas structure, approximately 2 million light years in length, surrounding the compact group of galaxies Stephan's Quintet. This finding challenges current theories on galaxy-group formation and evolution.
Researchers at Helmholtz-Zentrum Berlin for Materials and Energy are utilizing X-ray absorption spectroscopy to investigate oxygen evolution in electrocatalysis. This study aims to improve the efficiency of green hydrogen production by developing more stable and cost-effective catalysts.
Researchers developed a new analytical instrument using an ultrafast laser to measure hydrogen concentration and temperature, advancing greener hydrogen-based fuel studies. The instrument's capabilities will help develop more environmentally friendly propulsion engines.
A high-precision experiment reveals that protons and neutrons in small nuclei prefer to pair up with others of the same kind more often than expected. The study provides new details about short-distance interactions between particles and may impact results from experiments seeking to tease out further nuclear structure details.
Researchers at Institute of Physics, Chinese Academy of Sciences have discovered new hafnium polyhydrides exhibiting superconductivity above 80K, a temperature threshold previously unattained by any 5d transition metal hydride. The study reveals these compounds display high critical fields and Ginzburg-Landau superconducting coherent l...
A team of astronomers has developed a novel way to observe the first stars and galaxies, detecting light through the fog of the early Universe. The Square Kilometre Array will likely make images of the earliest light, but current telescopes struggle to detect the cosmological signal through hydrogen clouds.
Scientists have discovered calcium polyhydrides that become superconductive with critical transition temperatures above 210K at high pressures. The findings suggest prospects for these superconductors in various applications.
Researchers at KAUST have developed a new class of oriented mixed-matrix metal-organic framework (MMMOF) membrane that selectively removes detrimental gases like H2S and CO2 from natural gas. The membrane demonstrates far better separation efficiency compared to conventional methods.
Researchers at Ural Federal University have synthesized a proton conductor with high electrical conductivity, which could become the basis for solid oxide fuel cells. The new material is potentially cost-effective and exhibits higher electrical conductivity than other solid-state conductors.
Researchers at North Carolina State University have developed a new technique for extracting hydrogen gas from liquid carriers, making it faster, less expensive and more energy efficient. The new method uses sunlight and a reusable photocatalyst to release hydrogen molecules, reducing the need for rhodium and lowering production costs.
Researchers at Institute of Physics Chinese Academy have discovered new zirconium polyhydrides that exhibit superconductivity with a high transition temperature (Tc) of ~71 K. The compounds can be synthesized under high pressure conditions and may lead to the discovery of new superconducting materials.
Researchers from Tokyo Tech developed an alumina-supported iron-based catalyst that efficiently converts CO2 into formic acid with up to 90% selectivity. The new catalyst's excellent recyclability and low-cost nature make it a promising candidate for reducing atmospheric CO2 levels and providing energy via combustion.
A joint research team investigated the generation of low-energy protons in dissociative ionization of H2 using time-energy-resolved spectroscopy. They found that low-energy protons are produced via dipole-transition at large bond lengths, contrary to the expected bond-softening scenario.
Researchers have developed organic sulfonamides as a flexible and stable material for proton battery cathodes, achieving higher output voltages than conventional cathodes. The new material is also easy to manufacture, stable under standard conditions, and non-toxic.
Researchers at NIMS and JASRI have developed Er(Ho)Co2-based magnetic cooling alloys for efficient hydrogen liquefaction. The materials show excellent cyclic durability and can be used to develop a high-performance magnetic refrigeration system.
Researchers at Stanford University and University of Mannheim find that integrated reversible power-to-gas systems can provide backup electricity during surging prices, reducing costs and increasing capacity utilization. The technology has the potential to link the electricity and hydrogen markets, making renewable energy more viable.
Researchers at Oak Ridge National Laboratory have developed AquaBOT to measure water quality in mid-sized streams with precision and speed. The lab has also created a safe and effective antiviral coating for N95 masks, allowing for reuse of masks made from various fabrics. Furthermore, the lab has designed a cooking appliance that uses...
A research team led by Chris Arges developed a simplified process to separate and compress hydrogen from gas mixtures, achieving high recovery rates. The new method uses an electrochemical hydrogen pump with newly developed membrane materials, operating at high temperatures and improving efficiency.