Articles tagged with Hydrogen Energy
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Artificial enzymes convert solar energy into hydrogen gas using a new method developed by researchers at Uppsala University. The technique utilizes photosynthetic microorganisms with genetically inserted enzymes combined with synthetic compounds, enabling efficient production of renewable hydrogen gas from solar energy.
Scientists have observed a two-step energy transfer from hydrogen ions to plasma waves and then to helium ions in Earth's magnetosphere. The discovery sheds new insights into wave-particle interactions that occur throughout the universe.
Researchers have confirmed a new mechanism for energy conservation in cells, called hydrogen cycling, which was previously thought to be impossible. This discovery sheds light on how organisms conserve energy and function as part of the global carbon cycle.
Researchers found that gold palladium alloys improve hydrogen storage rates by making the surface less stable for hydrogen atoms to chemisorb. This encourages atoms to penetrate deeper into the metal, increasing overall absorption efficiency.
Scientists at Osaka University have discovered a novel particle acceleration mechanism using micro-bubble implosion, emitting high-energy protons at unprecedented levels. This breakthrough could clarify unknown space physics and lead to new applications in medical treatment and industry.
Global experts argue that solar-driven water splitting can become the technology of choice for producing hydrogen, reducing reliance on fossil fuels. However, significant research efforts are needed to industrialize this process and make it suitable for the 21st century and beyond.
Researchers at the University of California, Riverside, have created a new, highly efficient catalyst material that could significantly reduce the cost of producing fuel cells. The material, made from porous carbon nanofibers embedded with cobalt, outperforms industry-standard platinum-carbon systems but at a fraction of the cost.
A new Hybrid-SOEC system with mixed-ion conducting electrolyte allows for water electrolysis to occur at both electrodes, increasing hydrogen production efficiency. The system demands less electricity and exhibits outstanding performance with stability.
Researchers at Osaka University developed a new metal-free photocatalyst that absorbs a wider range of sunlight than before, producing visible and near-infrared light-driven hydrogen from water. This breakthrough could lead to cheap and clean hydrogen fuel, tackling the challenges of the hydrogen economy.
Researchers at Oak Ridge National Laboratory have developed a novel method to convert used cooking oil into biofuel using recycled carbon materials. Additionally, they have found a way to insulate the innermost wall of a fusion reactor to maintain the delicate balance between hot plasma and cool exhaust. Furthermore, scientists have di...
A team of scientists discovered a microorganism in Yellowstone that thrives on low-energy sources despite having access to richer alternatives. The organism can obtain energy by combining hydrogen with sulfur or iron, but grows best on the lowest energy supply.
Researchers at RMIT University have developed a solar paint that can split water atoms to generate hydrogen fuel, the cleanest source of energy. The innovative material, synthetic molybdenum-sulphide, catalyses the reaction and acts as a semi-conductor, making it efficient in producing hydrogen from solar energy and moist air.
Researchers have developed a fully integrated microfluidic device that produces hydrogen fuel and converts it into electrical energy based on photocatalysis. The device is designed to be self-sustaining and can provide enough power to transmit data from a microsensor for 24 hours.
Physicists at the University of Houston have discovered a highly active and stable electrocatalyst produced from ferrous metaphosphate on a nickel foam platform, outperforming traditional catalysts in efficiency and affordability. The breakthrough could enable large-scale water splitting to produce hydrogen for clean energy.
Researchers at the University of Pittsburgh's Swanson School of Engineering have found that graphane could transport protons without water, potentially leading to more efficient hydrogen fuel cells. The unusual properties of graphane enable it to rapidly conduct protons across a membrane, making it suitable for anhydrous conditions.
Researchers found that molybdenum sulfide (MoS2) holds more promise as a catalyst for producing hydrogen than previously thought. By engineering sulfur vacancies across the material's surface, they achieved catalytic efficiency comparable to previous MoS2 technologies.
Researchers at Griffith University have made significant progress in developing highly efficient catalysts for turning water into clean chemical fuel like hydrogen. The project aims to address high overpotentials hindering gas evolution reactions, which are critical for clean energy generation and storage technologies.
Researchers at Forschungszentrum Juelich have developed tailor-made ceramic membranes to efficiently separate gases, including harmful greenhouse gases, and produce high-purity hydrogen. The membrane's stability and hydrogen flow rate have been improved by inserting foreign atoms into the crystal lattice.
Researchers at Waseda University have created a polymer that can store hydrogen in a light and compact sheet, while maintaining safety. The material has shown promise in releasing hydrogen under mild conditions, making it suitable for widespread commercialization.
Researchers have developed a nickel-carbon-based catalyst that replaces platinum in producing hydrogen from water, offering a cheaper alternative for renewable energy technologies. The new catalyst exhibits highly efficient hydrogen evolution performance and impressive durability.
A team of researchers led by Catherine Housecroft and Edwin Constable developed a water oxidation model that simulates fuel cells powered by light radiation. The model uses compounds of ruthenium as a catalyst, enabling the self-assembly of individual components in a hierarchical structure.
Researchers have discovered a new class of catalysts that use iron-nitrogen compounds in graphene, achieving levels of activity comparable to platinum-based catalysts. The purification process allows for the creation of exclusively FeN4 centres, which provide high catalytic efficiency even without promoters.
Researchers at PNNL are developing a computational tool to improve power grid planning and make hydrogen with a hybrid device. A new technology uses seaweed to create biofuel for cars and generators. These innovations aim to reduce energy costs, increase sustainability.
Researchers at PNNL found that Cyanothece uses both stored energy and direct sunlight to produce hydrogen. The organism's ability to create robust amounts of hydrogen makes it a viable catalyst for hydrogen production.
Two University of Rochester scientists discovered the 17th century Wallis formula for pi in a quantum mechanics formula for hydrogen atom energy states. The discovery underscores pi's omnipresence in math and science.
Researchers discovered a famous pre-Newtonian formula for pi in calculations of the energy levels of a hydrogen atom, linking pure math to quantum physics. The Wallis formula, published in 1655, was previously unknown to be connected to the hydrogen atom's energy states.
Researchers at Universitat Autonoma de Barcelona have developed a technology to recover energy from wastewater using MEC, producing hydrogen with high efficiency and low voltage. The system demonstrated excellent results in hydrogen production and energy recovery, opening up potential for industrial-scale development.
Researchers have discovered that hydrogen binding energy is the most important factor predicting the rate of the fuel-cell reaction, enabling the design of new catalyst materials. Alkaline polymers are being explored as a potential solution to create less expensive electrocatalysts that work well in an alkaline environment.
Researchers have made significant strides toward a stand-alone system for large-scale, low-cost production of hydrogen fuel. The team's nanowire mesh design harnesses sunlight to split water and harvest hydrogen, offering a promising solution for environmentally friendly energy production.
Scientists have discovered that nitrite-oxidizing bacteria can use hydrogen as a source of energy, enabling them to grow independently of nitrite and expand their ecological niche. This finding has significant implications for understanding the global nitrogen cycle and the ecology of these important microorganisms.
Researchers designed an artificial relay based on natural one, improving efficiency and understanding natural process, Nature Chemistry study
Researchers discovered that Salmonella Typhimurium obtains energy for its attack by stealing hydrogen from the microbiota. This 'theft-based hydrogen economy' allows the pathogen to find an energy source in any new animal host.
Researchers at Ruhr-Universität Bochum have developed a method to generate bio-based hydrogen through spontaneous protein activation, enabling the industrial application of hydrogenases. The new process uses chemically synthesized inactive iron complexes and biological precursors to produce fully activated enzymes.
New calculations predict hydrogen takes on a series of structures under high pressure, forming transparent metal layers that make detection difficult. The findings suggest the line between metal and non-metal in hydrogen is blurrier than previously thought, requiring advanced experimental techniques to detect.
Researchers at the University of Wisconsin-Madison have developed a new catalyst that can produce hydrogen gas from water using electricity, avoiding rare and expensive metal platinum. The discovery uses commercially available molybdenum disulfide to facilitate the reaction.
The Technical Reference on Hydrogen Compatibility of Materials offers detailed information on the effects of hydrogen on various materials, including steel, aluminum, copper, and nickel alloys. This report helps industry target and develop components with fewer compatibility issues, potentially accelerating the timetable for the hydrog...
Researchers at Uppsala University found that green algae can produce hydrogen gas directly from sunlight, with up to 80% of the energy absorbed by Photosystem II going into production. This discovery changes the view on hydrogen production in green algae and offers hope for efficient renewable energy source.
Researchers at Virginia Tech have discovered a way to extract large quantities of hydrogen from any plant, potentially bringing a low-cost, environmentally friendly fuel source to the world. The new process uses xylose, the most abundant simple plant sugar, to produce high-purity hydrogen with an energy efficiency of over 100 percent.
Researchers at EPFL have created a device that can transform light energy into clean fuel, neutral carbon footprint hydrogen, from sunlight, water, and metal oxides like iron oxide. The technology has great potential to enable economically viable methods for solar hydrogen production.
Scientists at UC Santa Barbara shed light on the kinetics of hydrogen release from aluminum hydride, a material that is highly promising for energy storage. Their research reveals the basic mechanisms governing these chemical reactions in general, challenging outdated reaction curve interpretations.
A novel alloy has been developed that can produce hydrogen fuel from sunlight using photoelectrochemical water splitting. The GaN-Sb alloy, made of inexpensive materials, functions as a catalyst in the process and can be reused indefinitely. This discovery could potentially have profound implications for the future of solar energy.
Researchers have discovered hydrogen-powered symbiotic bacteria in deep-sea mussels, which use hydrogen as an energy source. The ability to harness hydrogen is widespread in hydrothermal vent symbioses, with one mussel population consuming up to 5000 liters of hydrogen per hour.
Tiny metallic particles produced by University of Adelaide researchers have been found to efficiently split water into hydrogen and oxygen using solar radiation. This process has the potential to produce cheap, clean, and portable hydrogen energy.
Researchers design nanocomposite material with magnesium nanoparticles and polymethyl methacrylate matrix, rapidly absorbing and releasing hydrogen at modest temperatures. This breakthrough material may have broad applicability to other areas of energy research.
Researchers at Rice University have discovered a class of material known as metallacarborane that could store hydrogen at or better than benchmarks set by the US Department of Energy. The material has the potential to meet DOE storage goals for hydrogen fuel, which could be used in cars, fuel cells, and industry.
Researchers have developed a new form of platinum that could make cheaper and more efficient fuel cells. The process, which uses a copper-platinum alloy, reduces the amount of platinum required in fuel cells from 100 grams to just 20 grams, potentially enabling widespread adoption.
Scientists at UW-Madison have designed a method to harness small amounts of wasted energy to produce usable hydrogen fuel. The process uses the piezoelectric effect to split water molecules into hydrogen and oxygen, achieving an impressive 18% efficiency.
Scientists at Harvard University used a quantum computer to calculate the precise energy of molecular hydrogen, solving a long-standing problem in theoretical chemistry. This achievement has significant implications for fields like cryptography and materials science.
Researchers at U of C have discovered a new material that allows PEM fuel cells to work at higher temperatures, increasing efficiency and reducing costs. This breakthrough could make fuel cells cheaper to produce and more efficient.
The Office of Naval Research (ONR) has partnered with General Motors to test advanced fuel cell vehicles at Camp Pendleton, which may offer benefits such as reduced air pollution and increased power potential. The partnership aims to advance technology that can also address energy challenges for the public.
Scientists successfully produced hydrogen at a rate of 5.6 cubic meters per hour using High-Temperature Electrolysis, a system that improves upon conventional methods. The achievement has potential applications in producing liquid fuels and upgrading heavy oil deposits.
The strength of spider silk lies in the specific geometric configuration of structural proteins, which have small clusters of weak hydrogen bonds that work cooperatively to resist force and dissipate energy. This structure makes spider silk as strong as steel, despite weaker hydrogen bonds.
Researchers at Penn State have developed a method to convert cellulose and other biodegradable organic materials into hydrogen using microbial fuel cells. This process produces 288% more energy in hydrogen than the electrical energy added to it, making it a promising alternative to traditional methods.
A new plastic membrane with hourglass-shaped pores can separate carbon dioxide from methane at a faster rate than conventional membranes. This technology has potential to improve energy efficiency of water purification and reduce greenhouse gas emissions in natural gas processing.
Scientists have developed a technique to generate light and reduce damage in extreme ultraviolet lithography by adding a lighter gas to the plasma. This reduces the number and energy of xenon ions reaching the collector surface, extending its lifetime while maintaining minimal impact on light production.
Researchers have made a breakthrough in controlling the physical properties of materials at a small scale, paving the way for more efficient hydrogen fuel cells. By adding bismuth to lead atoms, Professor Hanno Weitering fine-tuned the stability and superconductivity of the resulting quantum alloy.
Researchers at University of Missouri-Columbia have been awarded a grant from US Department of Energy to develop and test low-pressure hydrogen storage materials. The goal is to increase hydrogen storage capacity for use in vehicles, aiming to meet DOE's 2010 targets.
The Virginia Tech chemistry research group has developed a new molecular complex that harnesses solar energy to produce hydrogen from water. The supramolecule combines three parts: a light absorber, an electron reservoir, and a catalyst to split water into hydrogen.
Researchers at the University of Nevada, Reno have developed a new hydrogen material with over a billion nanotubes that can produce hydrogen from water. The system uses photoactive material from the sun to generate hydrogen, promising a cleaner and more cost-effective energy source.
Researchers at NIST have achieved a new record in quantum calculation precision, simulating the hydrogen molecule to an unprecedented level of accuracy. By merging two earlier algorithms and utilizing parallel processing, they were able to reach an accuracy of 1 part in 100 billion, outperforming previous experimental values.