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Researchers from the University of Michigan and McGill University in Canada report photochemical syngas synthesis using a core/shell Au@Cr 2 O 3 dual cocatalyst in coordination with multistacked InGaN/GaN nanowires (NWs) with the sole inputs of CO 2 , water, and solar light. under concentrated solar light illumination.
Scientists at Tokyo Institute of Technology (Tokyo Tech) have demonstrated the first visible-light photoelectrochemical system for water splitting using TiO 2 enhanced with cobalt. The proposed approach is simple and represents a stepping stone in the quest to achieve affordable water splitting to produce hydrogen.
Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a hybrid material constructed from a metal oxide nanosheet and a light-absorbing molecule for splitting water molecules (H 2 O) to obtain hydrogen (H 2 ) under sunlight. Dye-sensitized H 2 evolution using a wide-gap metal oxide. Credit: Tokyo Tech. 0c02053.
Researchers at the University of Southampton have transformed optical fibers into photocatalytic microreactors that convert water into hydrogen fuel using solar energy. Computerized tomography of a MOFC, showing buildup of TiO 2 (light blue particles) in the triangular channels. Zepler Institute, University of Southampton.
Researchers have developed a nickel-stabilized, ruthenium dioxide (Ni-RuO 2 ) anode catalyst for proton exchange membrane (PEM) water electrolysis. The Ni-RuO 2 catalyst shows high activity and durability in acidic OER for PEM water electrolysis. Illustration by Zhen-Yu Wu. 2 , suggesting potential for practical applications.
Researchers at Uppsala University have developed photocatalytic composite polymer nanoparticles (“polymer dots”) that show promising performance and stability for the production of hydrogen from water and sunlight. Since polymer dots (Pdots) are so tiny, they are evenly distributed in water.
Photoelectrochemical (PEC) water splitting based on solar energy is one promising approach for the production of green hydrogen. However, its widespread application is limited by a lack of efficient photoanodes for catalyzing the rate-limiting oxygen evolution reaction (OER), an important reaction in PEC water splitting. 202300951
Researchers in Israel have designed a separate-cell photoelectrochemical (PEC) water-splitting system with decoupled hydrogen and oxygen cells for centralized hydrogen production. Photoelectrochemical Water Splitting Cell Architectures. (A) A paper describing their system is publishedin the journal Joule. —Landman et al.
The Sparc Green Hydrogen process combines concentrated solar (CS) with photocatalytic water splitting. This testing has shown a hydrogen production and efficiency benefit from exposing certain photocatalyst materials to concentrated light and heat.
The nanostructured photoelectrode results in spontaneous hydrogen evolution from water without any external bias applied with a faradaic efficiency of 30% and excellent stability. One way this could be achieved is by using photoelectrochemical (PEC) water splitting which directly converts water and sunlight to solar fuel (hydrogen).
By using light-activated quantum dots to fire particular enzymes within microbial cells, the researchers were able to create “living factories” that eat CO 2 and convert it into products such as biodegradable plastic, gasoline, ammonia and biodiesel. Therefore, these resting cells function as nano-microbial factories powered by light.
The Dutch Institute for Fundamental Energy Research ( DIFFER ) is partnering with Toyota Motor Europe (TME) to develop a device that absorbs water vapor, and splits it into hydrogen and oxygen directly using solar energy. This first prototype achieved 70% of the performance that is obtained when an equivalent device is filled with water.
A research team led by Daegu Gyeongbuk Institute Of Science And Technology (DGIST) Professor Jong-Sung Yu in Korea, with colleagues at UC Berkeley and Xi’an Jiaotong University in China, has successfully developed a new catalyst synthesis method that can efficiently decompose water into oxygen and hydrogen using solar light.
Researchers from the US Department of Energy’s (DOE) Argonne National Laboratory have combined two membrane-bound protein complexes to perform a complete conversion of water molecules to hydrogen and oxygen. An open-access paper describing their work is published in the journal Chemical Science. —Lisa Utschig, Argonne chemist.
Bosch is starting volume production of a new drive unit consisting of an electric motor and an integrated inverter for light commercial vehicles. By embedding the electric drive module in the vehicles’ existing water-cooling circuit, an oil-based cooling circuit is no longer necessary.
Researchers from the University of North Carolina have synthesized high-photovoltage multijunction Si nanowires (SiNWs) that are co-functionalized to split water catalytically. When integrated with the co-catalysts and suspended in water, these light-activated nanoreactors produced hydrogen gas under visible and infrared light.
A research group led by Associate Professor Takashi Tachikawa of Kobe University’s Molecular Photoscience Research Center has developed a strategy that greatly increases the amount of hydrogen produced from sunlight and water using hematite (??Fe Mesocrystal photoanode formation and photochemical water splitting characteristics.
Rice University researchers have created an efficient, low-cost device that splits water to produce hydrogen fuel. The current flows to the catalysts that turn water into hydrogen and oxygen, with a sunlight-to-hydrogen efficiency as high as 6.7%. It utilizes water and sunlight to get chemical fuels. Illustration by Jia Liang.
This project will complete key engineering design and demonstration tests to enable cost-competitive, carbon-neutral production of synthetic jet fuel and diesel using nuclear energy from existing lightwater reactors.
Minneapolis-based Xcel Energy will work with Idaho National Laboratory to demonstrate a system that uses a nuclear plant’s steam and electricity to split water. —Richard Boardman, national technical lead for the DOE LightWater Reactor Sustainability Program’s Flexible Plant Operations and Generation Pathway. Earlier post.)
A new way of anchoring individual iridium atoms to the surface of a catalyst significantly increased its efficiency in splitting water molecules, scientists from the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University reported in an open-access paper in Proceedings of the National Academy of Sciences (PNAS). …we
The new system mimics a natural chloroplast to convert carbon dioxide in water into methane, very efficiently using light. Photosynthesis is the process by which chloroplasts in plants and some organisms use sunlight, water and carbon dioxide to create food or energy.
Using a hematite photocatalyst, a team led by researchers from Kobe University has succeeded in producing both hydrogen gas and hydrogen peroxide at the same time from sunlight and water. Recently, they have succeeded in increasing the light energy conversion efficiency by applying this technology to hematite (?-Fe under 600nm).
An illustration of the light-powered, one-step remediation process for hydrogen sulfide gas made possible by a gold photocatalyst created at Rice University. Each island was a gold nanoparticle about 10 billionths of a meter across that would interact strongly with a specific wavelength of visible light. —Naomi Halas.
Photoelectrochemical (PEC) water-splitting, which relies on sunlight to split water into oxygen and hydrogen, stands out as potentially one of the most sustainable routes to clean energy. PEC water-splitting was first noted in scientific publications in 1972. Photoelectrodes have demonstrated efficiencies from 10% to 20%.
In this regard, photocatalytic water splitting has attracted significant interest as a cost-effective means to convert sustainable solar energy into valuable chemicals. Photocatalytic water splitting has attracted great interest as a means of cost-effective conversion of sustainable solar energy to valuable chemicals. Credit: DICP.
The base model comes standard with dual flat beds to accommodate a range of work functions from adding scissor lifts, forklift masts, or dump beds, to water tanks, electric water pumps, portable light units, or mobile telescoping cell towers. The DANNAR 4.00
Since September, the electric vessels have passed dozens of tests and test exits to the water area. The hulls, traction electric motors, climate control systems, GLONASS systems, glazing of the vessel, skin panels, bike parking, automated ramp, vessel lighting control system, side doors and all control software are all Russian-made.
Researchers from Trinity College Dublin have shed new light on the formation mechanisms of a rare earth-bearing mineral that is in increasingly high demand across the globe for its use in the green energy and tech industries. Vegetation appears red, grassland is light brown, rocks are black, and water surfaces are green.
The conversion reaction also produces light olefins—ethylene, propylene, and butenes—totalling a yield of 8.7%. The CO 2 hydrogenation to jet fuel range hydrocarbons process through a Tandem Mechanism in which the Reverse-Water Gas Shift reaction (RWGS) and Fischer-Tropsch synthesis (FTS) reaction are catalyzed by Fe 3 O 4 and ?-Fe
Electricity generated by solar panels installed across nine thousand square metres of roofing at Asko’s regional warehouse is being used to split water, producing emissions-free hydrogen fuel and oxygen. Battery power is in fact a more economical solution for light goods transport in urban areas.
Now, a study by researchers at the US Department of Energy (DOE) Center for Advanced Bioenergy and Bioproducts Innovation (CABBI) has found that energy sorghum ( Sorghum bicolor ) behaves more like miscanthus in the way it efficiently captures light and uses water to produce abundant biomass. Energy sorghum falls somewhere in between.
The GEN 3 Architecture offers high structural safety and has the next level of water proofing and dust protection, making it ready for all forms of terrains. Originally inspired by a catamaran, the AVINYA Concept combines the essence of a premium hatch with the luxuries and versatility of an SUV and the roominess and functionality of an MPV.
The ICO is located in the Idaho Cobalt Belt (ICB), a unique example of sea-floor hydrothermal brines that vented along an ancient rift within a deep-water setting. The deposits are unusually rich in Co, Cu, Fe, As, Au, B, Bi and light rare earths, but low in Ni (relative to Co), Ag, Pb, and Zn. Idaho Cobalt Belt.
Tesla mulls adding a new feature to fight off vandals as anti-Musk protests increase Police contacted the Littleton Electric Light & Water Department and requested to shut down power at the affected Tesla Supercharger stalls.
The filters prevent tire wear particles and other environmentally harmful substances from being washed into sewers and bodies of water along with rainwater. Together with the TUB Department of Urban Water Management, the Audi Environmental Foundation is developing an innovative new filter concept for urban runoff.
At the time, about a decade ago, I was helping to refine a system for fabricating chips using extreme ultraviolet (EUV) light. To produce EUV light, we would focus an intense laser pulse onto 30-micrometer-wide droplets of tin flying through a chamber filled with low-density hydrogen.
The aluminum produced using solar power is processed in the light metal foundry at BMW Group Plant Landshut to manufacture body and drive train components, including those needed for electric drive trains. Aluminum is light, strong and infinitely recyclable. Light metal foundry at BMW Group Plant Landshut.
Green hydrogen is produced through the electrolysis of water with electricity generated from zero-carbon sources; only oxygen is emitted during the process. Plug Power is expanding its green hydrogen ecosystem to the US west coast with the construction of a new production facility in Fresno County, California.
Electron microscopy experiments at the Molecular Foundry confirmed that cuprous oxide quickly oxidizes or corrodes within minutes of exposure to light and water. The Advanced Light Source, Molecular Foundry, and NERSC are user facilities at Berkeley Lab. The Liquid Sunlight Alliance is a DOE Energy Innovation Hub. Zheng, F.,
In a brief advertisement video shared on YouTube earlier this month, Tesla showed a demonstration of the recently released Powerwall 3 submerged in water and still powering appliances, noting that it can continue to operate in more than two feet of water.
The building has numerous environmental features including water harvesting from the roof to provide water to all non-drinking water supplies. There is also a system which uses the heat from the press hydraulics to heat the main hall.
Water from the Hellisheiði power plant then flows through the facility and transports the carbon dioxide roughly 2,000 meters below the surface of the Earth. The water returns to the cycle of the geothermal power plant. This uses a specially developed adsorbent to bind the CO 2 in the air.
The buses are fitted with the newest generation LED headlights with daytime driving lights. The large rear window lets in plenty of natural light. Also at the rear, the newest generation LED lights have been used. Large side windows enhance the amount of natural light coming into the bus, contributing to a bright interior.
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