Articles tagged with Water Splitting
Researchers develop new machine learning methods to predict polymeric carbon nitride compounds suitable for sustainable photocatalytic water splitting. This process splits water into hydrogen and oxygen without using rare earths or expensive metals.
Researchers at Berkeley Lab and JCAP develop new technique to map out nanoscale changes in bismuth vanadate, leading to improved oxygen production and reduced degradation. The study provides insight into the material's properties and their impact on water-splitting reactions.
Researchers have captured a molecular mechanism behind the water splitting reaction of photosynthesis using nanoscale imaging and chemical analysis. The study could help inform the design of artificial photosynthetic systems producing clean and renewable energy from sunlight and water.
Researchers from Tokyo University of Science improve light-driven water-splitting to produce hydrogen by etching the reaction catalyst with plasma jets in solution. This technique enhances the properties of BiVO4 nanocrystals, resulting in better catalytic performance and improved water splitting.
A new photocatalytic water-splitting strategy has been developed to hydrogenate aryl chlorides in a sustainable manner. The approach utilizes water as a safe and readily available hydrogen donor, replacing flammable gases and reducing risks associated with conventional dechlorination methods.
Researchers developed a new investigation method to study electrocatalytic water splitting on gold surfaces with high spatial resolution. The study found that surfaces with nanometer-scale protrusions split water more efficiently than flat surfaces.
Researchers from ICIQ have found that a magnetic field can directly enhance the production of hydrogen in alkaline water splitting via electrolysis, increasing production by up to twice fold. The low-cost technology has implications for industrial applications and offers a promising solution to the pressing need for sustainable energy.
Researchers have developed a new catalyst for oxygen evolution, achieving higher catalytic activity and lower overpotential than traditional methods. The study shows that precise control of dual doping sites can lead to enhanced electrocatalysis.
Scientists have discovered a new iron-nickel catalyst that surpasses the performance of existing nickel-iron oxide catalysts in oxygen evolution reactions. The unconventional catalyst produces an efficient electrolyzer with reduced voltage requirements.
Researchers at Binghamton University developed a new water splitting catalyst that enables efficient hydrogen gas production from solar energy. The catalyst, which uses doped vanadium pentoxide nanowires, shows a ten-fold increase in solar-harvested hydrogen compared to undoped materials.
Researchers at LMU and Würzburg have successfully demonstrated the complete splitting of water into hydrogen fuel and oxygen using an all-in-one catalytic system. The new system, which mimics biological photosynthesis, enables the efficient generation of oxygen while minimizing damage to the nanorods.
Researchers developed a hybrid catalyst that splits water into hydrogen and oxygen efficiently, addressing previous limitations of homogeneous and heterogeneous catalysts. The new material, made of iridium dinuclear heterogeneous catalysts attached to a tungsten oxide substrate, offers improved stability and recyclability.
Berkeley Lab researchers have pioneered a nanoscale imaging technique to understand how local properties affect a material's macroscopic performance in water splitting. The study reveals heterogeneity in charge utilization, which may account for the material's efficiency.
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 at Washington State University have developed a simple method to generate high-quality hydrogen from water using inexpensive nickel and iron. The technique could be scaled up for large-scale testing and store renewable energy generated by solar and wind sources.
Scientists at the University of Chicago and Argonne National Laboratory have improved computer models for understanding electron affinity in water. The new estimates may help create better ways to split water for hydrogen fuel and other chemical processes.
Researchers at Northwestern University have discovered that cerium's electronic entropy is the underlying reason for its success in water-splitting technologies. Cerium's large entropy makes it ideal for hydrogen production, opening up possibilities for future work in creating a more efficient and environmentally friendly energy system.
The researchers successfully converted 90% of water into hydrogen gas and over 98% of CO2 into carbon monoxide using new materials and processes. These advancements have significant implications for extracting valuable feedstock from resources like greenhouse gases.
Lawrence Livermore National Laboratory scientists have developed a technique to efficiently extract hydrogen from water using electricity. The new catalysts enable high-performance water splitting with minimal catalyst loading, making it scalable and cost-effective.
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.
A new, cheap catalyst has been invented to split water into oxygen and hydrogen using electricity. The catalyst, made of abundant non-precious metals like nickel and copper, is highly conductive and efficient, making it a promising solution for reducing the cost of producing clean hydrogen fuel.
Researchers from Penn State and Florida State University have developed a new, industrially scalable catalyst that splits water into hydrogen with minimal external energy. The molybdenum disulfide alloy improves the efficiency of the process, enabling cheaper production of clean hydrogen fuel.
Researchers have visualized the reaction of water molecules forming oxygen in plants, paving the way for studying this process step-by-step. This breakthrough could lead to developing technology to produce hydrogen gas from solar energy, mitigating climate change.
Researchers use a femtosecond X-ray laser to observe the water-splitting reaction in detail, shedding light on how oxygen is formed. The study provides new insights into the molecular mechanisms of photosynthesis.
An international team of researchers visualized the process by which plants split water to produce oxygen using X-ray free-electron laser technology. This breakthrough enables the study of oxygen molecule formation and paves the way for the development of efficient clean hydrogen fuel devices.
Researchers at the University at Buffalo are developing new materials that show promise for splitting water into oxygen and hydrogen fuel using tiny crystals and nanowires. The hybrid materials have the potential to support cheap and efficient production of hydrogen gas, which could be used to power cars and other vehicles.
Researchers develop a new catalyst that can produce hydrogen and ethyl acetate, a key ingredient in nail polish, from water and ethanol. This process eliminates the need for energy-consuming purification steps.
Researchers have developed host-guest nanowires that enhance photoelectrochemical (PEC) water splitting efficiency. The new system uses a TiO2 'host' with BiVO4 'guest' nanoparticles, achieving better performance than individual materials alone.
Researchers developed a low-voltage, single-catalyst water splitter that produces hydrogen and oxygen continuously for over 200 hours. The device uses a single, inexpensive nickel-iron oxide catalyst, reducing cost and increasing efficiency.
EPFL researchers have developed a novel method to increase the accessible active sites of metal oxide catalysts in water splitting reactions, resulting in improved catalytic properties. The exfoliation method shows increased rates of up to 4.5-fold compared to conventional methods.
Researchers captured the first molecular-level images of photosynthesis, revealing how water is split into oxygen and hydrogen. The breakthrough could lead to the development of artificial systems that mimic and surpass the efficiency of natural photosynthesis.
An international team recorded still frames of photosystem II as it splits water into hydrogen and oxygen, revealing large conformational changes and overall structure alterations. The study paves the way for optimizing catalytic reactions and creating molecular movies of biochemical processes.
Researchers at Umea University found that bicarbonate has a regulatory function in the splitting of water in photosynthesis. This discovery opens up a new research field investigating the biological and ecological consequences of the dual role of carbon dioxide.
Researchers develop a silicon-based water splitter coated with an ultrathin layer of nickel, achieving stability for over 80 hours without corrosion. The innovative device uses light to split water into oxygen and hydrogen, offering a sustainable alternative for clean energy production.
Researchers found evidence of an early manganese-oxidizing photosystem in ancient South African marine sedimentary rocks, which predates the evolution of oxygenic cyanobacteria. This discovery supports the idea that manganese oxidation provided a stepping-stone for water-oxidizing photosynthesis.
Researchers at South Dakota School of Mines and Technology have successfully split water molecules at low temperatures, paving the way for sustainable hydrogen energy. The team's high-temperature thermochemical process can exponentially double hydrogen atoms, creating a sustainable amount of hydrogen regeneration.
Researchers at Caltech have determined the dominant mechanism of cobalt catalysts, which involves a key reactive intermediate gaining an extra electron. This finding illuminates the road to developing better catalysts and suggests a route to creating extremely active iron catalysts.
A team of scientists at Monash University has discovered a manganese-based catalyst that can split water into hydrogen and oxygen using sunlight. The breakthrough uses the common mineral birnessite, which is found in rocks, to create a simple and efficient process for producing clean fuel.
Researchers at Boston College developed Nanonets, a nano-scale lattice that coats tiny wires with iron oxide, enhancing surface area and conductivity. This enables efficient charge transport in water splitting, a process for harvesting hydrogen from water.
Researchers have developed a new mechanism for water splitting, which generates oxygen gas from water molecules. The process is divided into three stages, utilizing light and heat to produce clean fuel.
Boston College researchers have developed a titanium nanostructure that improves the efficiency of energy transport, achieving a peak conversion efficiency of 16.7 percent under ultraviolet light. The novel material enhances the 'water-splitting' technique by collecting and transporting electrons with minimal energy loss.
A new aluminum-rich alloy developed by Purdue University engineers can produce hydrogen on-demand for vehicles, power generation, and other applications, reducing costs and environmental impact. The technology is made possible by the controlled microscopic structure of the solid aluminum and gallium-indium-tin alloy mixture.
Researchers at the Max Planck Institute have determined the structure of photosystem II, a crucial step in photosynthesis. The discovery reveals the precise arrangement of manganese and oxygen atoms, which could lead to the development of artificial catalysts for regenerative hydrogen production.
Researchers aim to develop new catalysts that can convert water into hydrogen with improved efficiency, reducing energy consumption by up to 40%. The project seeks to replicate nature's process of splitting water into oxygen and protons using manganese-based catalyst materials.