Articles tagged with Hydrogen Production
A research team discovered a quantum confinement effect in a 3D-ordered macroporous structure of BiVO4, enabling hydrogen production under visible light. The study found that the 3DOM structure had higher photocatalysis efficiency and produced more oxygen than its plate-like counterpart.
Researchers explore harnessing China's wind energy to produce carbon-free green hydrogen at a lower cost than coal-derived black hydrogen. Shifting from black to green hydrogen could reduce 100 million tons of CO2 emissions per year by 2030.
Researchers at Dalian Institute of Chemical Physics demonstrate vibrationally excited molecular hydrogen production from water photochemistry. This process represents a further source of vibrationally excited H2 observed in the interstellar medium.
A new process for decentralized hydrogen production has been developed, using chemical-looping to produce high-purity hydrogen directly from biogas. The technology is now ready for commercial use and could make hydrogen production more competitive with other methods.
Researchers developed a strategy to achieve ultra-high loading of single metal atom sites on cobalt oxide support, stabilizing Rh and other noble metals. The strained surface showed exceptional UOR activity and stability, requiring lower working voltage than commercial Pt and Rh catalysts.
Researchers successfully split water using a powder photocatalyst and solar rays in a 100m2 outdoor area, producing solar hydrogen. The system's design and separation performance require improvement to achieve low costs and high efficiency.
Researchers have discovered a new method to produce clean hydrogen by adding nickel and cobalt to inexpensive catalysts, reducing energy requirements and increasing hydrogen yield. This breakthrough could pave the way for large-scale clean energy production and make Australia a leader in renewable energy research.
Researchers have developed a novel electrode material based on cobalt and nickel that can efficiently produce hydrogen through water and urea electrolysis. The phosphorus-doped cobalt-nickel-sulfide nanoparticles demonstrate high activity and stability, reducing the overall voltage of the electrolysis cell.
Researchers have discovered a way to use mining waste as part of a potential cheaper catalyst for hydrogen fuel production. The new catalyst triggers water splitting reactions using aluminosilicate minerals found in mining waste, which could lead to lower production costs and increased efficiency.
Researchers at Pusan National University have developed a novel electrocatalyst that can effectively produce hydrogen and oxygen from water at low cost. The catalyst, composed of transition metal phosphates, achieves high surface area and fast charge transfer, making it suitable for commercial on-site production of hydrogen.
Researchers developed highly-efficient chainmail catalysts for decoupled water electrolysis, producing hydrogen with low energy consumption. The device reduced the potential of hydrogen production by 1.24V, saving 60.2% energy compared to direct electrolysis.
Researchers highlight the potential of covalent organic frameworks (COFs) in solar-to-fuel production, converting sunlight into hydrogen and other fuels. COF-based photocatalysts have shown promising properties, including improved catalysis and electron delocalization, making them a viable solution for future energy needs.
A research team at UNIST has developed a novel technique that converts liquid ammonia into green hydrogen with high purity and efficiency. The method consumes significantly less power than traditional electrolysis of water, making it an attractive alternative for hydrogen production.
Researchers discovered that certain catalyst materials, such as erythrite, improve in performance over time due to restructuring. This process increases the surface area of the material, allowing for more reactions to occur, resulting in higher oxygen yields and doubled electrical current generation.
A recent award will aid a project that aims to produce more hydrogen gas while reducing electric power consumption. The goal is to increase clean hydrogen production, which can benefit various sectors such as household power, electric vehicles, and industrial applications.
Researchers at UCF have developed a new nanoscale material that can efficiently split seawater into oxygen and clean energy fuel - hydrogen. The material offers the high performance and stability needed for industrial-scale electrolysis.
A new US-German collaboration aims to improve the efficiency of producing green hydrogen through advanced research on electrocatalysts. The team will explore pyrochlore materials to enhance electrolysis for water splitting.
A team of Russian scientists has identified the vectors of world research in creating new catalysts from halloysite, a natural aluminosilicate mineral. The development of highly active, stable and cheap catalysts could bring society closer to solving hydrogen storage and releasing problems.
Researchers at Helmholtz-Zentrum Berlin have found that thermally coupled systems produce more hydrogen than traditional setups when split by sunlight in sub-zero temperatures. This method could supply remote regions with clean energy, replacing fossil fuels and reducing pollution.
An international research team has described a complete reaction path for electrocatalytic hydrogen generation using a newly produced compound inspired by nature. The findings provide new insights into the catalysis process and enable more efficient production of hydrogen as a sustainable energy source.
Researchers at Penn State have used supercomputers to find materials that can accelerate hydrogen production from water using photocatalysis, a process that harnesses sunlight. The team identified six promising candidates, which could potentially reduce the cost of hydrogen production and make it competitive with gasoline.
Researchers developed unitized regenerative fuel cells with improved hydrophilic and hydrophobic properties, increasing hydrogen generation efficiency by 2-fold and power generation efficiency by 4-fold. The devices can efficiently transport water and gas, improving performance and round-trip efficiency.
Scientists have made significant progress in understanding the atmospheric oxidation capacity, which is crucial for reducing smog and haze formation. Researchers have developed indexes to characterize this capacity in Beijing and plan to apply them in other highly polluted regions of China.
Researchers have identified a promising strategy for combating antibiotic-resistant bacterial infections by targeting the production of hydrogen sulfide. The approach, which inhibits the enzyme cystathionine gamma-lyase, enhances the deadly effects of antimicrobials on drug-resistant pathogens.
Researchers at the Swiss Federal Laboratories for Materials Science and Technology (EMPA) are investigating a method to produce synthetic methane from hydrogen and CO2, which can be used as a fuel. This process, known as methanization, has the potential to make a significant contribution to reducing CO2 emissions in road transport.
Rangarajan aims to develop a novel computational framework to understand the molecular level of catalytic transfer hydrogenation, a promising approach for safe and cost-effective biomass conversion. The technique could lead to more compact, modular processes with near-ambient temperatures and pressures.
Researchers develop a laser-driven method to synthesize nanoparticles, enabling efficient conversion of solar energy into electricity. The technology also promotes the production of green hydrogen by employing photoelectrodes that use sunlight directly.
Researchers at GIST find optimal hydrogen-natural gas blend to enhance H2 storage capacity, achieving unprecedented findings. The study's results may help design HNGB hydrate storage media for blue hydrogen production.
A research team has developed a platinum-free biocatalyst that efficiently produces hydrogen using electricity and generates electricity from hydrogen. The enzyme system is embedded in a polymer film, making it viable for industrial use, with potential applications in fuel cells and water electrolysis.
Scientists have developed a suite of advanced tools to study the oxygen evolution reaction, a key step in producing hydrogen fuel from water. They observed catalyst nanoparticles accelerate oxygen generation at unprecedented detail, identifying a single limiting step in the reaction.
Researchers at Dalian Institute of Chemical Physics revealed oxygen production from the three-body photodissociation of water molecule. Approximately 20% of H2O photoexcitation events resulted in O atoms, which can recombine to form O2.
A new study from the University of Georgia has developed an inexpensive and spark-free optical-based hydrogen sensor that detects hydrogen presence without electronics, making it safer for widespread use. The sensor boasts faster response time and increased sensitivity compared to previous models, addressing key hurdles in hydrogen pow...
Research on haematite, a widely known rust material, has been hindered by low photocurrent conversion efficiency compared to theoretical maximum values. A recent study reveals that the wavelength of absorbed light in hematite thin films affects its photoelectrochemical properties.
The HyPER project aims to produce clean and versatile hydrogen, a vital compound for fertilisers, chemicals, and industry. The new pilot plant will demonstrate innovative hydrogen production technology reducing CO2 emissions by capturing carbon dioxide during the process.
A team of scientists has developed a protocol using magnesium nanoparticles and bulk to convert CO2 into methane, methanol, and hydrogen. The reaction occurs at room temperature and atmospheric pressure, producing significant amounts of fuel and chemicals with minimal energy input.
Researchers have discovered a sulfosugar from green vegetables that stimulates the growth of key gut bacteria, producing energy-rich compounds. This finding has implications for understanding the interactions between nutrition and the microbiome, potentially leading to new therapeutic strategies.
A study by researchers at the University of Konstanz and Vienna discovered that specialized gut bacteria cooperate to process sulfoquinovose, a sulfonic acid derivative found in green vegetables. The analysis revealed that this process produces hydrogen sulfide, which has disparate effects on human health.
Researchers have developed a zeolite-based nanocatalyst that achieves 2.5-times higher ammonia decomposition performance than conventional commercial catalysts while using only 40% of ruthenium metal. This new catalyst overcomes stability issues and enables large-capacity hydrogen transport via ammonia decomposition.
Scientists at Berkeley Lab have discovered a self-improving property in Si/GaN that enables it to become more efficient and stable as an artificial photosynthesis device. The material, made of silicon and gallium nitride, can harness sunlight into carbon-free hydrogen with twice the efficiency and stability of previous technologies.
ITQB NOVA researchers have developed a new approach to produce hydrogen from light using non-photosynthetic microorganisms. The biohybrid systems combine high hydrogen-producing bacteria with self-produced cadmium sulfide nanoparticles, which capture light and enable direct energy transfer.
Researchers at Linköping University have developed nanoporous cubic silicon carbide that efficiently traps and harvests sunlight to split water into hydrogen gas. The material's high charge-separation efficiency boosts water splitting efficiency, making it a promising approach for producing renewable energy.
Researchers have developed a dual-functioning catalyst that breaks down common drugs in wastewater while efficiently converting water into hydrogen for fuel. The catalyst, composed of cobalt oxide and titanium dioxide with platinum nanoparticles, showed promise in degrading antibiotics and producing substantial amounts of hydrogen.
Researchers at BESSY II discover that low-intensity blue light can alter the properties of MoS2 layers, making them metallic and catalytically active. This finding could enable the production of hydrogen as an energy carrier with no CO2 emissions.
Researchers discovered that microbes in ancient sediment below the seafloor are sustained primarily by chemicals created through the natural irradiation of water molecules. This radiation-fueled ecosystem is one of Earth's largest and has significant implications for understanding life on Mars.
Scientists have developed a platinum-gold alloy catalyst that enables efficient hydrogen peroxide production from hydrogen and oxygen at room temperature. The new process achieves a selectivity of 95%, reducing the formation of unwanted water byproducts.
Researchers identified lithium hydride (LiH) as a dominant compound in anode breakdown during lithium metal batteries (LMBs), which can be reversed by increasing temperature. The discovery offers hope to enhance battery life without size increase or cost.
Researchers have developed a new material, alpha-SnWO4, that could convert up to 20% of sunlight into chemical energy for hydrogen production. Thin layers of nickel oxide were found to reduce the photovoltage and degrade the material, but alternative deposition processes may improve performance.
Researchers at UNSW Sydney create a sustainable method for producing green ammonia from atmospheric nitrogen, reducing energy consumption and carbon emissions. The new technology has the potential to revolutionize agriculture and the global transition to a hydrogen economy.
A research team has developed new nanostructured electrodes to split water molecules under sunlight, paving the way for efficient green hydrogen production. The electrodes, made with titanium dioxide and cobalt oxide, can absorb up to 50% of visible light and produce hydrogen through photocatalysis.
Phosphonate functional groups on La,Rh:STO surface supply protons to active site, enhancing hydrogen production activity. Bulk phosphate buffer solution reduces activity in this design.
Scientists discovered that taurine helps the gut recall prior infections and kill invading bacteria, such as Klebsiella pneumoniae. Taurine, found naturally in bile acids, triggers Deltaproteobacteria activity to fight off infections. The study suggests taurine may offer an alternative treatment for bacterial infections.
Researchers at the University of Tsukuba have developed a method to produce acid-resistant catalysts using graphene, improving hydrogen gas production efficiency. The study shows that few layers of graphene allow protons to penetrate during hydrogen evolution reactions, crucial for maximizing efficiency.
Researchers at Oregon State University have made a significant breakthrough in producing hydrogen from water using an electrochemical catalytic process. The study found that this method is cleaner and more sustainable than traditional natural gas-based production, with potential applications in fuel cells and industrial processes.
Researchers have designed an effective material for speeding up the extraction of hydrogen from alcohols, using earth-abundant metals instead of precious ones. The catalyst, made from tiny clusters of nickel metal, accelerates the reaction efficiently and cleanly.
Researchers from Aarhus University and Stanford University aim to create a sustainable technology for local-scale production of green ammonia. The project, called 'A new twist on ammonia production', seeks to improve the efficiency of electrochemical synthesis using 'designer' hydrogen-binding mediators.
A transition to hydrogen-powered mobility in Germany's heavy duty vehicle segment could achieve a deep reduction in emissions, with potential of -57 MtCO2eq annually. Green hydrogen offers competitive advantages over battery electric vehicles, particularly for heavy loads and longer driving ranges.
Researchers at the University of Illinois Chicago have identified a new method to produce ammonia with a significantly lower carbon footprint. The process uses a mesh screen coated in copper as a catalyst, which helps bind nitrogen to hydrogen to form ammonia.
A team of scientists has built tiny droplet-based microbial factories that produce hydrogen instead of oxygen when exposed to daylight in air. This discovery could provide an important step forward towards photobiological green energy development under natural aerobic conditions.
Researchers developed a highly efficient and long-lasting electrocatalyst for water oxidation using cobalt, iron, and ruthenium. The single atomic alloy catalyst's surface oxygen adsorption stabilizes the catalytic intermediate, increasing overall efficiency.
Researchers at Northwestern University have developed a highly effective method for converting ammonia into hydrogen using renewable electricity. The new technique generates pure hydrogen that can be directly pressurized for storage, making it an ideal solution for the transportation sector.