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A study by a team of researchers from Technische Universität Berlin (TUB) and Fritz-Haber-Institut der Max-Planck-Gesellschaft has found that direct seawater splitting for hydrogen production has substantial drawbacks compared to conventional water splitting and offers almost no advantage. Additionally, H 2 O is needed for water splitting.
Researchers at MIT have developed a method that could significantly boost the performance of carbon capture and conversion systems that use catalytic surfaces to enhance the rates of carbon-sequestering electrochemical reactions. The movement through water is sluggish, which slows the rate of conversion of the carbon dioxide.
reports that it has achieved full conversion ( 99% + ) of king grass cellulosic material to water soluble sugars on a repeatable basis. This conversion occurs with a reaction time of less than one minute. Full conversion is the most efficient use of the feedstock possible and exceeds earlier projections.
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.
Researchers in Israel have designed a separate-cell photoelectrochemical (PEC) water-splitting system with decoupled hydrogen and oxygen cells for centralized hydrogen production. It addresses the challenges of designing, building, and optimizing the device for assessing large-scale hydrogen generation. —Landman et al.
Researchers at the University of Southampton have transformed optical fibers into photocatalytic microreactors that convert water into hydrogen fuel using solar energy. Alongside hydrogen generation from water, the multi-disciplinary research team is investigating photochemical conversion of carbon dioxide into synthetic fuel.
Researchers at the University of Cambridge, with colleagues at the University of Tokyo, have developed a standalone device that converts sunlight, carbon dioxide and water into formic acid, a carbon-neutral fuel, without requiring any additional components or electricity. —senior author Professor Erwin Reisner. Qian Wang et al.
The mesh with BiVO 4 nanowire photoanode for water oxidation and Rh-SrTiO 3 nanowire photocathode for water reduction produces hydrogen gas without an electron mediator. When immersed in water with visible light irradiation (? ? In the present study, we developed a new architecture for direct solar water-splitting.
Albemarle Corporation, one of the largest lithium producers in the world and present in Chile for more than 40 years, inaugurated its third chemical conversion plant, La Negra III/IV, in Antofagasta, Chile, as one of the most modern chemical conversion plants in Latin America.
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.
Carbon dioxide capture company AirCapture and carbon dioxide conversion company OCOchem, along with other partners, have won a $2.93-million OCOchem transforms recycled CO 2 , water and zero-carbon electricity to produce formic acid, a globally traded commodity chemical and emerging electro-fuel.
Designing an artificial leaf that uses solar energy to convert water cheaply and efficiently into hydrogen and oxygen is one of the goals of BISfuel (Bio-inspired Solar fuel production)—the Energy Frontier Research Center, funded by the Department of Energy, in the Department of Chemistry and Biochemistry at Arizona State University.
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.
An international research group has improved graphene’s ability to catalyze the hydrogen evolution reaction, which releases hydrogen as a result of passing an electronic current through water. The findings were published in an open access paper in the journal Advanced Science.
Cool Planet has devised a biomass-to-liquids thermochemical conversion process that simultaneously produces liquid fuels and sequesterable biochar useful as a soil amendment. The output from each catalytic array when cooled is comprised of volatile gases, renewable fuel and water. Earlier post.). Depending on the temperature (300 ?C
The other projects include efforts to bring a microreactor design closer to deployment, tackle nuclear regulatory hurdles, improve operations of existing reactors, and facilitate new advanced reactor developments. The US Department of Energy (DOE) awarded $22.1 This funding opportunity is administered by DOE’s Office of Nuclear Energy (NE).
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. Utschig, Sarah R. Soltau, Karen L.
The proposed generator is portable and lightweight; has high energy density; is easy to use, refill, and clean; and is designed for long working periods with the capability for restart after prolonged rests. hours of their experiment, 110 L of hydrogen was generated with an average flow rate of 290 mL/min and 98% conversion efficiency.
Alstom and Eversholt Rail have unveiled the design of a new hydrogen train for the UK market. The train, codenamed Breeze, will be a conversion of existing Class 321 trains, reengineering some of the UK’s most reliable rolling stock. The Alstom facility in Widnes will manage the conversion of the Breeze trains.
The new PNNL carbon capture and conversion system brings the cost to capture CO 2 down to about $39 per metric ton. As described in an open-access paper in the journal Advanced Energy Materials , the new system is designed to fit into coal-, gas-, or biomass-fired power plants, as well as cement kilns and steel plants.
The feed-stock reduction is achieved primarily by supplementing the process with oxygen and hydrogen produced by water electrolysis units that are powered by clean wind and solar generated electricity. The DGF high carbon conversion efficiency fuel production strategy meets the highest RSB or ISSC standards of environmental fuel production.
SHARKS teams will develop new economically competitive Hydrokinetic Turbines (HKT) designs for tidal and riverine currents. SHARKS teams will address this barrier by designing new, efficient HKT systems that utilize America’s tidal, riverine, and ocean resources to develop economically attractive energy generation opportunities.
They used natural sunlight to convert water into hydrogen and oxygen using a mixture of biological components and manmade technologies. A new paper, published in Nature Energy , outlines how the researchers at the Reisner Laboratory in Cambridge developed their platform to achieve unassisted solar-driven water-splitting. —Sokó?
Researchers from the Karlsruhe Institute of Technology (KIT) and their Canadian partners have designed a low-cost photoreactor design for solar-driven synthesis. The optimization is based on a 3D optical model that employs Monte Carlo ray tracing coupled to a plug flow reactor model that maps the chemical conversion. Kant et al.
The agreement initiates a Vendor Design Review (VDR) which is a pre-licensing technical assessment of the eVinci small modular reactor design. Westinghouse will execute both Phases 1 and 2 of the VDR as a combined program, signaling the eVinci microreactor’s design and technology maturity. Westinghouse e-Vinci microreactor.
The home is also three times more water-efficient than a typical US home. kW solar photovoltaic (PV) system mounted on the roof will generate more energy than the home and Fit EV consume on an annual basis, due in large part to the efficient design of the home. Passive design. Water efficiency. Photo by Dorian Toy.
The primary goal of this funding opportunity ( DE-FOA-0000949 ) is to provide disruptive new solar conversion and storage technology options to enable a much higher penetration of solar energy generation into the US energy mix. Concentrating solar power (CSP), solar heating and solar hot water applications combined contribute less than 0.1%
The process, reported in the ACS journal Energy & Fuels , could leverage a recently reported process, also developed by NRL, to recover CO 2 from sea water. The mechanism of the first stage first produces CO and water. The water formed in the primary reactions negatively influences catalyst activity and product selectivity.
At OSU, researchers developed a hybrid MEC design in which fermentation and electrolysis take place in a single pot as opposed to separate steps, and the byproducts are directly consumed in the process. This integrated design increases productivity and lowers equipment costs. The two active sites boosted the overall reaction.
Researchers in Canada have demonstrated a new photochemical diode artificial photosynthesis system that can enable efficient, unassisted overall pure water splitting without using any sacrificial reagent. overall water splitting reaction. These free charges split water molecules into hydrogen and oxygen. … in neutral (pH?~?7.0)
The calculations of reaction energetics suggest that Cu and Fe in the binary system can work in synergy to significantly deform the linear configuration of CO 2 and reduce the high energy barrier by stabilizing the reaction intermediates, thus spontaneously favoring CO 2 activation and conversion for methane synthesis.
HES present an opportunity to optimize power plant designs to maximize the services that are useful to and valued by the electric and broader energy systems. using electrical or thermal energy to produce hydrogen from water or a methane source). They can vary in terms of their subcomponents, linkages (e.g.,
Researchers in Europe led by a team from ETH Zurich have designed a fuel production system that uses water, CO 2 , and sunlight to produce aviation fuel. We are the first to demonstrate the entire thermochemical process chain from water and CO 2 to kerosene in a fully-integrated solar tower system. Zoller et al. Zoller et al.
Recent research in electrocatalytic CO 2 conversion points the way to using CO 2 as a feedstock and renewable electricity as an energy supply for the synthesis of different types of fuel and value-added chemicals such as ethylene, ethanol, and propane. —lead author Irina Chernyshova.
The four-cylinder TDI engine with the internal designation EA 288 made its debut in 2012. Here, two SCR catalytic converters work together to split nitrogen oxides into water and nitrogen using AdBlue urea solution. It features a two-part design and, depending on the vehicle concept, has a volume of 2.5 As previously, the 2.0
Brine, a mixture of salt and water, is produced during the solution mining of salt formations. It can then be used as a critical feedstock for the chemical industry, or it can be dehydrated to produce salt for food, deicing, agricultural, industrial, and water softening markets.
Instead of using H 2 , direct conversion of CO 2 with CH 4 (dry reforming of methane, DRM) to liquid fuels and chemicals (e.g. Moreover, it is a cheap carbon source which can increase the atom utilization of CO 2 hydrogenation due to the stoichiometric ratio of C and O atoms, as well as reducing the formation of water. …
A team from the University of Houston and Hunan Normal University in China has developed an active and durable oxygen evolution reaction (OER) catalyst for water splitting that meets commercial crtieria for current densities at low overpotentials. to deliver 200 mA cm -2 , unsatisfactory for the commercial requirements of 1.8-2.4
Elon Musk used Tesla’s much-anticipated Battery Day presentation not to disclose some super cell, but to outline an aggressive, comprehensive and radically innovative approach to battery design, manufacturing and vehicle integration that he projected will result in a 56% reduction in cost/kWh and a $25,000 electric vehicle in about three years.
Blue World Technologies’ complete system includes a methanol reformer for fuel conversion, DC/DC for power conversion and fuel cell stack for power production. The combination can be done without the implementation of expensive and cumbersome clean-up technologies which enables a simple and cost-effective system design.
Johnson Matthey has launched HyCOgen, a technologyt designed to play a pivotal role in enabling the conversion of captured carbon dioxide (CO 2 ) and green hydrogen into sustainable aviation fuel (SAF).
The researchers combined a copper electrocatalyst with an ionomer [polymers that conduct ions and water] assembly that intersperses sulfonate-lined paths for the H 2 O with fluorocarbon channels for the CO 2. By applying this design strategy, we achieved CO 2 electroreduction on copper in 7 M potassium hydroxide electrolyte (pH ?
A team from UCLA and colleagues from Tarbiat Modares University and Shahed University in Iran have devised an integrated solar-powered system for both electrochemical energy storage and water electrolysis. A paper on their work is published in the journal Energy Storage Materials. Wh kg −1 with specific power of 37.9 Rahmanifar, Maher F.
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