Articles tagged with Hydrogen Production
A novel glycyl radical enzyme has been discovered in Bilophila bacteria, responsible for degrading taurine and producing toxic hydrogen sulphide. The enzyme's oxygen-sensitivity and role in intestinal barrier permeability and colon cancer are being further investigated.
Researchers in Japan developed an integrated system combining photovoltaic power generation and rechargeable batteries to produce hydrogen at a globally competitive cost. The system can adjust the amount of battery charge/discharge and electrolysis hydrogen production in relation to solar power generated, enabling the production of hyd...
A two-dimensional heterostructure of black phosphorus and bismuth tungstate shows enhanced photocatalytic activity, splitting water and breaking down nitrogen monoxide more effectively than conventional materials. The addition of a platinum-based co-catalyst further boosts the process efficiency.
Researchers discovered a novel bacterial degradation pathway for sulfoquinovose, which produces hydrogen sulfide in the absence of oxygen. The study's findings suggest that organosulfonate substrates from vegetarian diets can also be degraded to hydrogen sulfide.
A new low-cost catalyst made of copper, nickel and chromium enhances hydrogen production from water under neutral pH conditions. This breakthrough enables the use of renewable electricity to produce hydrogen, which can be stored for clean power on demand.
The article explores the catalytic activity of MXenes for hydrogen evolution reaction, revealing that Ti2NO2 and Nb2NO2 possess ultra-high HER activity. A Fermi-abundance model is proposed as a good descriptor to understand variation in different Mxenes, highlighting the importance of occupied p electronic states of surface O atoms.
A new composite material enables electrochemical water splitting into hydrogen and oxygen without emissions. The catalyst uses cobalt, nickel oxide, and gold nanoparticles to produce cheap, clean hydrogen for fuel cells. This innovation has the potential to store renewable energy on a large scale.
Researchers at RUDN University have created a new method for producing hydrogen fuel using fermented flour from Chinese bread. The process produces a porous carbon material that exhibits high electrocatalytic activity, outperforming current carbon-based catalysts and comparable to metal ones.
Researchers from Ruhr-University Bochum have developed a new catalyst using mineral pentlandite to convert carbon dioxide into valuable source materials. The catalyst's stability and ability to produce synthetic gas mixtures make it a promising approach to combat climate change.
Researchers have discovered a way to harness the power of purple phototrophic bacteria to recover valuable biofuels from organic waste in wastewater treatment plants. By using an electric current to optimize metabolic output, they can generate hydrogen gas with near-100% carbon recovery and minimal CO2 emissions.
A new MOF-based photocatalytic system has been developed to simultaneously produce hydrogen and degrade organic pollutants in water. The system utilizes nickel phosphide and demonstrates efficient photocatalysis under visible light.
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.
Researchers have found viable cyanobacteria in a deep borehole, expanding the ecological range of these microorganisms. The discovery suggests that cyanobacteria can thrive in environments without sunlight, potentially serving as primary producers in the deep subsurface.
Researchers have developed cadmium-free nanomaterials for artificial photosynthesis, showing high efficiency in producing hydrogen from light and water. The new composites are environmentally friendly and have the potential to serve as an eco-friendly alternative for various commercial fields.
Researchers developed a ceramic steam electrode that self-assembles for high-performance electrochemical hydrogen production below 600o C. This breakthrough enables efficient hydrogen production using only water and electricity.
Researchers developed a new model explaining the interactions between small copper clusters and water molecules in producing molecular hydrogen. The study shows that copper-water complexes synthesized in ultra-cold helium nanodroplets can catalyze hydrogen production.
Scientists have developed a novel approach to synthesize highly crystalline triazine frameworks, which demonstrate exceptional thermal stability and high photocatalytic efficiency. This method could be the starting point for industrial production of these frameworks.
A breakthrough swallowable sensor has been found to be 3,000 times more accurate than current technology for diagnosing gut disorders. The gas-sensing capsule provides real-time detection and measurement of hydrogen, carbon dioxide, and oxygen in the gut.
A team of scientists from the University of Nebraska-Lincoln has developed a method to increase the yield of clean, renewable energy source bio-hydrogen. By temporarily inactivating a gene that slows hydrogen production, they created a new strain of bacteria that produces 46% more hydrogen than naturally occurring forms.
Researchers at Ruhr-Universität Bochum developed a low-cost nickel boride catalyst for plastic production from biorefinery products, offering a sustainable alternative to PET. The catalyst also enables the creation of hydrogen as a potential energy source.
A new hybrid catalyst made of iron and dinickel phosphides on commercially available nickel foam can produce both hydrogen and oxygen from water, reducing energy requirements and costs. This breakthrough could lead to a significant increase in the production of clean energy from hydrogen.
Researchers developed a novel double-layered porous nanotube structure with spatially separated photoredox surfaces for enhanced photocatalytic activity. The structure, synthesized using a self-template strategy, showed improved charge carrier separation and surface redox reaction sites.
Nebraska researchers have identified a simple equation to design less costly and more efficient catalysts for producing renewable hydrogen fuel. The team found that surrounding certain transition metals with specific environments can elevate their performance, making them viable alternatives to precious metals.
A new artificial photosynthesis device doubles the efficiency of harnessing sunlight to generate hydrogen, a clean-burning fuel. The device uses water and light from the sun, paving the way for large-scale production of clean hydrogen fuel.
Scientists at the University of Turku have discovered an efficient way to transform solar energy into chemical hydrogen through photosynthesis of green algae, extending hydrogen production by several days. The new method shows that a major obstacle to efficient hydrogen production is not oxygen, but competition between metabolic pathways.
A new dynamic model proposes a seasonal control strategy with ceria particles to buffer the effect of solar radiation variation, enabling continuous hydrogen production. The system can store and release heat as needed, maximizing solar energy utilization and potentially increasing efficiency.
A team of renewable energy experts at the University of Exeter has developed a new method to produce hydrogen from sunlight using a revolutionary photo-electrode. This breakthrough could create a virtually limitless energy source with zero carbon emissions and double the energy density of fossil fuels.
Researchers developed alternative catalysts made of cheaper and more readily available materials with equally high efficiency. The study found that the structure and composition of iron-nickel sulphide influence its electrocatalytic properties.
Researchers have developed a new method to boost the efficiency of photocatalysts using hollow gold-silver nanoshells. This innovation could lead to the production of large amounts of hydrogen gas using only water and sunlight. The technique has the potential to provide a clean and affordable source of energy.
Researchers developed nanostructured polymeric carbon nitrides as catalysts for hydrogen production, increasing efficiency under visible light irradiation. The nanostructure with large pores and specific functionalities improved the catalytic properties, approaching that of inorganic catalysts.
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.
The study reveals that when a crystal is broken along certain directions, atoms reorganize into labyrinthine structures. These structures have potential applications in hydrogen production and chemical reactions, enabling the splitting of water to produce hydrogen.
Researchers at Osaka University have developed a novel catalytic system to split water and make hydrogen using normal sunlight. The new catalyst combines nanostructured black phosphorus for water reduction and bismuth vanadate for water oxidation, achieving an ideal 2:1 ratio of hydrogen and oxygen production.
A new carbon-based nanocomposite with embedded metal ions has shown impressive performance as a catalyst for electrolysis of water to generate hydrogen. The material's high catalytic activity and stability could lead to low-cost and efficient hydrogen production, a key step towards clean fuel.
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 have created an electrochemical generator that converts bituminous coal into electrical energy, producing only water and heat as byproducts. The technology has been proven effective in joint generation of electrical and heat energy, with the added benefit of a simpler configuration compared to existing coal power plants.
Scientists at the University of York have developed a technology that can trap over 850 million tonnes of unwanted carbon dioxide in the atmosphere using North Sea water and recycled metal. This process uses low-energy processes and environmentally friendly tools, making it highly scalable and sustainable.
Scientists at Freie Universität Berlin and Ruhr-Universität Bochum have discovered how enzymes produce molecular hydrogen. The process involves two electrons being transferred to two hydrogen ions through proton-coupled electron transfer, a mechanism that could explain the production of hydrogen gas in other enzymes.
Researchers at Tufts University have discovered a new method for directly converting methane into methanol using a heterogeneous catalyst and low-cost molecular oxygen. This breakthrough could lead to more efficient and cost-effective production of chemicals, fuels, and high-grade hydrogen.
MIT researchers have developed a new membrane-based system that can convert carbon dioxide into useful fuels for cars, trucks, and planes, as well as into chemical feedstocks. The process uses heat energy from solar or waste sources to store chemical energy in form of useful products.
A newly developed technique has allowed researchers to study the reactions of hydrogenases, enzymes that catalyze hydrogen production from algae and bacteria. The study reveals that the iron atoms in these enzymes briefly form a hydride before releasing molecular hydrogen.
A team of UCSB researchers has developed a single-step method to convert methane into hydrogen while preventing the formation of carbon dioxide, a greenhouse gas. The process uses molten metals and results in a solid form of carbon that can be readily transported and stored indefinitely.
Researchers at UCLA have developed a 2-in-1 device that uses solar energy to create and store hydrogen fuel for eco-friendly cars. The technology produces hydrogen using abundant and less expensive elements, making it more affordable for consumers.
Researchers at Kyushu University developed a device harnessing near-infrared light to drive the water-splitting reaction and produce hydrogen gas efficiently. This breakthrough enables a broader spectrum of light to be harvested, including UV, visible, and NIR, increasing the potential for clean energy storage.
Researchers at Arizona State University have developed a new method for producing industrial-scale algal hydrogen, which could potentially replace fossil fuels. The innovative approach uses a linked Photosystem I-hydrogenase system to improve the efficiency of hydrogen production.
Scientists at the University of Illinois Chicago developed a multiscale model to study carbon dioxide conversion to carbon monoxide. The discovery could lead to efficient production of synthesis gas for large-scale energy applications.
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.
Scientists are developing methods to create renewable fuel from water using quantum technology, marking a significant step forward in the pursuit of sustainable energy. The Global Precipitation Measurement mission revealed intense downpours within Hurricane Jose's powerful convective storms.
Researchers have devised a new way of producing hydrogen fuel by combining a photosensitive protein with titanium dioxide particles in nanodiscs. The process, which uses sunlight to generate energy, results in the production of hydrogen at an efficiency rate of 45% or more.
Researchers found that a heat treatment under hydrogen doubles the life span of charge carriers in metal oxide photoelectrodes, leading to improved photocurrent under sunlight. This breakthrough could potentially reduce costs and increase stability for commercialization.
Researchers at Worcester Polytechnic Institute have developed liquid-metal membranes that appear to be lower in cost, more durable, and better at separating hydrogen than conventional membranes. This breakthrough could help reduce the cost of producing pure hydrogen for fuel-cell vehicles.
A Caltech team has identified a new additive that selectively converts CO2 into fuels containing multiple carbon atoms, including ethylene, ethanol, and propanol. The reaction resulted in an 80% conversion rate, with only 20% going into hydrogen and methane.
Enzymes called [FeFe]-hydrogenases efficiently convert electrons and protons into hydrogen, offering a potential solution for biotechnological production of the energy source. The team's discovery reveals the crucial role of a complex structure called the H-cluster in facilitating this process.
An international team has developed a new catalyst for producing high-purity hydrogen gas at low temperatures and pressures. This breakthrough could improve the efficiency of fuel cells that run on hydrogen fuel and reduce costs.
Scientists have developed a new low-temperature catalyst that produces high-purity hydrogen gas while using up carbon monoxide, improving the performance of fuel cells. The catalyst operates at low temperature and pressure, making it less expensive and easier to use.
Researchers have developed an efficient catalyst that converts CO2 from the air into synthetic natural gas in a 'clean' process using solar energy. The catalyst produces almost pure methane without side products and operates at mild temperatures, making it viable for industrial activities.
A team of researchers has created a photocatalyst that can generate hydrogen from water vapor using sunlight, producing the fuel without electrolytes or external power sources. The novel paint-like material can be applied to any surface, including building facades, and enables hydrogen production almost anywhere.
Osaka University researchers have developed a novel solar material that can efficiently split water to produce clean hydrogen fuel, outperforming traditional semiconductors. The three-part composite material maximizes light absorption and electron conduction, resulting in 60 times higher activity than pure lanthanum titanium oxide.
Researchers at Waseda University have developed an efficient alternative method for synthesizing ammonia at low temperature using surface proton hopping. This breakthrough could lead to on-demand ammonia production plants running on renewable energy, with potential applications in various industries and energy sources.
Researchers at KAUST developed a novel catalyst to split water efficiently in acidic conditions, paving the way for greener power sources. The molybdenum coating improves stability and prevents oxygen recombination, enabling longer-term hydrogen production.