Articles tagged with Hydrogen Production
Researchers at UNIST have developed a scalable and efficient photoelectrode module for green hydrogen production, overcoming challenges of efficiency, stability, and scalability. The team's innovative approach achieved unprecedented efficiency, durability, and scalability in producing green hydrogen using solar energy.
Researchers developed innovative Au@Cu7S4 yolk@shell nanocrystals capable of producing hydrogen when exposed to both visible and NIR light, achieving a peak quantum yield of 9.4% in the visible range and 7.3% in the NIR range for hydrogen production.
Scientists at Max-Planck-Institut für Eisenforschung have developed a method to produce green steel from toxic red mud using an electric arc furnace and hydrogen plasma, potentially saving 1.5 billion tonnes of CO2. The process is also economically viable, requiring only 30-40% iron oxide in the red mud.
Researchers developed a chemically protective cathode interlayer using amine-functionalized perylene diimide, which stabilizes perovskite solar cells. The novel solution-processed PDINN cathode interlayer achieved impressive performance with over 81% retention and record-high bias-free solar hydrogen production rate.
A new bifunctional water electrolysis catalyst made from ruthenium, silicon, and tungsten enables the efficient production of high-purity green hydrogen. The catalyst demonstrates exceptional durability in acidic environments, making it an attractive alternative to traditional precious metal catalysts.
A new process produces hydrogen and oxygen simultaneously in two separate cells, bypassing operational challenges of previous methods. This innovation enables a continuous process with reduced temperature changes and improved efficiency.
Researchers from City University of Hong Kong developed a novel strategy to engineer stable and efficient ultrathin nanosheet catalysts using Turing structures. This approach effectively resolves the instability problem associated with low-dimensional materials in catalytic systems, enabling efficient and long-lasting hydrogen production.
A new method has been developed to produce green hydrogen more efficiently and cheaply, using ruthenium particles and a solar-powered electrolytic system. The technology could reduce the costs of green hydrogen production on an industrial scale.
Researchers have elucidated the molecular mechanism of formaldehyde poisoning in a class of efficient hydrogen-producing biocatalysts. The study suggests that modifying the enzyme to resist formaldehyde inhibition could enable its use in bio-based industrial processes and understanding metabolic pathways.
Researchers from GIST have developed a new electrode using Schottky junctions to overcome the conductance limit of active catalysts, achieving high-performance water splitting and hydrogen evolution reactions. The electrode demonstrated remarkable current density and durability during continuous operation for 10 days.
Researchers at UNSW Sydney have developed a method to produce ammonia without high temperatures, pressures, and infrastructure. The new technique enhances energy efficiency and makes environmentally friendly ammonia economically feasible.
The MIT team designed a train-like system of reactors that harnesses the sun's heat to produce clean hydrogen fuel with up to 40% efficiency. This could drive down costs and make solar thermochemical hydrogen (STCH) a scalable option for decarbonizing transportation.
The Pacific Northwest is launching a hydrogen energy hub with a $7 billion investment from the Department of Energy. PNNL's expertise will support the development of clean hydrogen production and integration with renewable energy sources in Washington, Oregon, and Montana.
Researchers have discovered a way to make solar hydrogen production economically viable by co-producing high-value chemicals like methylsuccinic acid. By coupling the photoelectrochemical (PEC) process with hydrogenation, the cost of hydrogen drops significantly, making it competitive with fossil gas.
The Princeton Plasma Physics Laboratory has been awarded $5 million to lead an Energy Earthshot Research Center focused on producing clean hydrogen. The center aims to reduce the cost of hydrogen by 80% and could lead to a paradigm shift in clean hydrogen production.
Researchers at Chalmers University of Technology developed 3D-printed plasmonic plastic, enabling the mass production of optical sensors that can detect hydrogen gas. The composite material has unique optical properties, allowing it to filter out molecules except hydrogen, making it ideal for various applications.
Researchers have developed a hybrid silicon photocatalyst that efficiently produces hydrogen and high-value compounds using solar power. The non-toxic catalyst achieves an impressive rate of 14.2 mmol gcat−1 h−1, significantly higher than conventional silicon photocatalysts.
A new catalyst designed by researchers at City University Hong Kong and tested by Imperial College London could boost renewable energy storage. The catalyst uses single atoms of platinum to produce an efficient but cost-effective platform for water splitting, paving the way for cheaper hydrogen production.
Researchers at Rice University have discovered a method to produce clean hydrogen gas from waste plastics using low-emissions technology. By utilizing rapid flash Joule heating, they can convert plastic waste into high-yield hydrogen and valuable graphene, which could offset the production costs of clean hydrogen.
Researchers have created a highly efficient and stable photoelectrode for water splitting using organic semiconductors. The new design overcomes the limitations of traditional inorganic semiconductor-based photoelectrodes, resulting in enhanced hydrogen production efficiency.
A new study from the University of Colorado at Boulder has developed an economical approach for producing green hydrogen, a precursor to liquid fuels. The method uses heat generated by solar rays to split molecules of water and carbon dioxide into hydrogen and carbon monoxide, which can be converted into fuels like gasoline and diesel.
Researchers have developed a highly efficient organometal halide perovskite photoanode that suppresses internal and external losses associated with photoelectrochemical water splitting, enhancing reaction kinetics. The new design achieves an unprecedented applied bias photon-to-current conversion efficiency of 12.79%.
Researchers develop a highly active, precious metal-free catalyst for ammonia decomposition. The new Ni-based catalyst outperforms conventional alternatives at lower temperatures, offering a promising solution for hydrogen production from ammonia.
Researchers have developed novel photocatalysts using layered metal-organic frameworks that exhibit improved charge separation properties. These materials are able to efficiently extract charges without structural defects, enabling record values in photocatalytic hydrogen production under visible light.
Researchers at Drexel University have developed a photocatalytic titanium oxide nanofilament material that can harness sunlight to unlock the potential of hydrogen as a fuel source. The material outperforms current methods and is stable for months, offering a sustainable and affordable path to creating hydrogen fuel.
Researchers investigated the diffusion lengths of charge carriers in metal oxides and found that they are poorly understood. The study analyzed ten metal oxide compounds and found that their mobilities were very low compared to conventional semiconductors. However, heat treatment improved mobility in some materials.
Researchers investigated hepatic hydrogen sulfide production in a mouse model of Hutchinson-Gilford Progeria Syndrome (HGPS) and found reduced H2S levels in RC-fed mice, with partial rescue on high-fat diet. This study suggests that accelerated aging in HGPS may be partially explained by reduced hepatic H2S levels.
A team of researchers at Münster University has developed a photocatalytic process to split water into hydrogen and oxygen under mild reaction conditions. The process uses triaryl phosphines to activate water, enabling the easy transfer of hydrogen atoms to various compounds.
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.
A low-cost catalyst developed by Argonne National Laboratory can produce clean hydrogen from water at a lower cost, making it an ideal choice for replacing fossil fuels and reducing greenhouse gas emissions. The new catalyst uses cobalt instead of expensive iridium, significantly reducing the cost and increasing efficiency.
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.
Researchers at the University of Texas at El Paso have developed a nickel-based material that can split water into hydrogen gas more cheaply and efficiently. The material is designed to mimic the shape of the prickly pear cactus, which has an extensive surface area suitable for absorbing moisture and surviving in extreme environments.
Researchers have visualized the crucial final step of oxygen formation in Photosystem II, a protein complex that powers photosynthesis. The study provides new insights into the interaction between the protein environment and the Mn/Ca cluster, shedding light on the mechanism behind water-splitting and oxygen production.
A new paper proposes solidifying air as a medium to reduce energy consumption and costs in transporting hydrogen by sea. The process, called Solid Air Hydrogen Liquefaction (SAHL), has the potential to lower energy consumption for liquefying hydrogen by 25-50%.
Researchers have developed a novel support material called BaAl2O4-xHy that enhances the catalytic activity of cobalt nanoparticles, allowing for record-breaking ammonia production at low temperatures. The catalyst demonstrates improved activation energy and high reusability.
A new type of floatable photocatalytic platform composed of hydrogel nanocomposites efficiently proceeds hydrogen evolution reaction. The platform exhibits clear advantages over conventional systems, including efficient solar energy conversion and easy gas diffusion.
Researchers at Flinders University have discovered that chromium oxide is the most efficient material for photocatalytic water splitting, a promising technique for producing hydrogen from renewable energy sources. The study reveals new insights into the nature of the coating that could lead to improvements in future materials.
The system uses a parabolic dish to concentrate solar radiation, which is then converted into hydrogen, oxygen, and heat through photoelectrochemical cells. The output power exceeds 2 kilowatts, achieving record-high efficiency for its scale, with potential applications in industrial, commercial, and residential energy.
Vienna University of Technology researchers have developed MOCHAs, organometallic chalcogenolate compounds that facilitate the conversion of CO2 into synthesis gas. This process can be carried out at room temperature and requires less energy than previous methods, making it a promising solution for climate protection.
Researchers highlight gaps in tritium studies, focusing on species uptake and human health risks through the food chain. A global assessment is needed to minimize tritium's impact on individual species and the environment.
Scientists have developed a new catalyst that enables the production of ammonia at lower temperatures, reducing energy consumption and potentially lowering global carbon emissions. The BaH2–BaO/Fe/CaH2 catalyst facilitates nitrogen gas adsorption, resulting in enhanced catalytic activity for ammonia production.
Scientists designed a synthetic molecule that mimics the hydrogen gas-producing chemical reaction performed by nickel-iron hydrogenase enzyme. The new compound efficiently produces hydrogen using earth-abundant metals, potentially replacing platinum metal in industrial electrolysis.
Researchers have developed a practical method to generate green hydrogen using natural enzymes, which contain only earth-abundant elements. The new approach enables the efficient production of green hydrogen from sunlight, making it a promising solution for decarbonizing transportation and industries.
Researchers at Max Planck Institute developed an ammonia-based direct reduction process to produce sustainable iron and steel, overcoming logistics and energetic disadvantages of hydrogen. The process yields the same metallization degree as hydrogen-based reduction while forming nitrides that protect the sponge iron from corrosion.
Researchers have developed a novel process to convert nitrogen and hydrogen into ammonia at ambient temperature and pressure with high energy efficiency. The process uses a solid polymeric electrolyte and eliminates the need for purification, producing pure ammonia gas.
Researchers have developed a method to reduce the energy payback time of photoelectrochemical water splitting, making it more sustainable and competitive. The approach involves producing not only green hydrogen but also methyl succinic acid, which can be used as an intermediate product.
The new homogeneous catalyst enables the direct synthesis of hydrogen peroxide with improved efficiency and safety. The process requires only one step and no separation of gases from the reaction flask.
Researchers at Oregon State University have developed a dual-purpose catalyst that can both purify herbicide-tainted water and produce hydrogen. The catalyst, derived from metal-organic frameworks, shows promise in tackling global water pollution and provides a sustainable alternative to conventional hydrogen production methods.
Scientists at Helmholtz-Zentrum Berlin examined the chemistry of Cobalt-Iron Oxyhydroxides using X-ray absorption spectroscopy. They discovered that iron is present in higher oxidation states than previously thought, which could lead to improved electrocatalysts for water splitting and carbon dioxide reduction.
A novel method has been developed to produce platinum-based alloy nanoparticles for efficient hydrogen fuel cells. The nanocatalysts exhibit enhanced power performance and stability, with high specific rated power of 5.9 kW/g Pt, surpassing 2025 targets set by the U.S. Department of Energy.
Researchers at RMIT University have developed a method to produce hydrogen directly from seawater, skipping the need for desalination and reducing carbon emissions. The new approach uses a special catalyst that can be manufactured cost-effectively and has promise to significantly reduce the cost of electrolysers.
Researchers at the University of Surrey have found promising results for using edge-decorated nano carbons as metal-free catalysts for direct conversion of methane into hydrogen. The study shows strong resistance to carbon poisoning, a common issue with catalysts in this process.
Researchers have developed a novel technique to produce hydrogen peroxide without releasing carbon dioxide, reducing greenhouse gas emissions. The method uses photocatalysis and carbon nitride as a catalyst, making it more cost-effective and environmentally friendly.
Aston University is setting up the first integrated centre to explore low carbon hydrogen production from biomass conversion. The new research centre will enable the acquisition of state-of-the-art equipment, including gasification, membrane separation and fuel cells.
A new research project aims to solve the physics behind excessive bubble formation in electrolysis, a bottleneck in large-scale green hydrogen production. The team will combine numerical simulations and laboratory experiments to develop reliable modelling tools.
A team of researchers from GIST created a protection layer for nickel-iron catalysts using tetraphenylporphyrin, increasing their life and performance. This innovation reduces the dissolution of iron atoms during oxygen evolution reactions, resulting in prolonged hydrogen production.
A new superaerophilic/superaerophobic cooperative Pt electrode promotes efficient mass transfer of hydrogen, reducing oversaturated dissolved hydrogen and improving HER efficiency. The design achieves significant overpotential reductions compared to traditional flat electrodes.
New research highlights the need for a re-imagined regulatory framework to balance competing interests and promote sustainable growth. The study shows that hydrogen can enhance profitability for wind farm owners, but disparate rules and regulations hinder its potential.
Researchers at City University of Hong Kong have developed a lead-free perovskite photocatalyst for highly efficient solar energy-to-hydrogen conversion. The study uncovers the interfacial dynamics between halide perovskite molecules and electrolytes, enabling better photoelectrochemical hydrogen generation.
A team at City University of Hong Kong has developed a novel approach to converting environmental temperature fluctuations into clean chemical energy using pyroelectric catalysis. By combining pyroelectric materials with localized plasmonic heat sources, the researchers achieved significantly faster and more efficient pyro-catalytic re...