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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.
Stanford researchers, with a colleague from King Fahd University of Petroleum and Minerals, have developed a simple and environmentally sound way to make ammonia with tiny droplets of water and nitrogen from the air. The conversion rate reaches 32.9 ± 1.38 Water microdroplets are the hydrogen source for N 2 in contact with Fe 3 O 4.
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. 202300951
The EU-funded SOLAR-JET project has demonstrated the production of aviation kerosene from concentrated sunlight, CO 2 captured from air, and water. The process has also the potential to produce any other type of fuel for transport applications, such as diesel, gasoline or pure hydrogen in a more sustainable way.
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.
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.
Porous carbon based layers have become standard electrode materials in many energy conversion and storage applications. For the proton exchange membrane fuel cells (PEMFCs), an optimal balance of water level is critical for high performance and durability. A paper on their work is published in the journal Applied Surface Science.
For the purpose of this RFI—Carbon, Hydrogen and Separation Efficiencies in Bio-Oil Conversion Pathways (CHASE Bio-Oil Pathways)—thermochemical direct liquefaction pathways include: Fast pyrolysis; In situ catalytic fast pyrolysis (i.e. where biomass is liquefied with near-super critical water); and.
Reintroducing airships into the world’s transportation mix could contribute to lowering the transport sector’s carbon emissions and can play a role in establishing a sustainable hydrogen based economy, according to a new IIASA-led study. The open-access paper is published in the journal Energy Conversion and Management: X.
The hybrid power conversion will be carried out on the Maersk Minder , a deep-water anchor-handling tug-supply (AHTS) vessel during the early part of 2022. This is believed to be the world’s first AHTS hybrid battery conversion. The order with Wärtsilä was placed in May 2021.
Meeting jet fuel specifications is an appropriate target to validate that highperformance transportation fuels can indeed be produced from a broad range of residue and waste streams via hydrothermal liquefaction. The decarbonization of the transportation sector will require large volumes of renewable fuels.
Hydrogen engines have potential as a drive type with CO 2 -neutral fuel, especially for heavy-load transport and in off-highway vehicles. In addition, the metered addition of the urea-water solution can cause particles to form. The H 2 -ICE exhaust system for hydrogen engines from Purem by Eberspaecher.
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.
With efficiencies above 90%, Topsoe’s proprietary SOEC electrolyzers offer superior performance in electrolysis of water into hydrogen—e.g., Solid oxide electrolysis cell (SOEC) technology is attractive because of unrivaled conversion efficiencies—a result of favorable thermodynamics and kinetics at higher operating temperatures.
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. Utschig, Sarah R.
In the next few years, the company expects the conversion of one blast furnace to result in an annual demand of around 20,000 tonnes of green hydrogen. This demand will increase to some 720,000 tonnes per year by 2050 as a result of the gradual conversion of the plants and equipment.
-Fe 2 O 3 (hematite) electrodes that achieve the highest photocurrent of any metal oxide photoanode for photoelectrochemical water-splitting under 100?mW?cm Batteries, fuel cells and solar-energy conversion devices have emerged as a class of important technologies that increasingly rely on electrodes derived from nanoparticles.
Joule, the developer of a direct, single-step, continuous process for the production of solar hydrocarbon fuels ( earlier post ), has extended its solar CO 2 conversion platform to produce renewable gasoline- and jet fuel-range hydrocarbons. Earlier post.).
CO can then be reacted with H 2 O via the water?gas The renewable production of reduced carbon compounds is especially attractive, as liquid fuels can directly address energy needs associated with transportation, which account for nearly 30% of the US energy demand. Carbon Capture and Conversion (CCC) Fuels Power Generation'
Plant cell walls resist chemical or biological degradation, making the breakdown of lignocellulosic biomass into renewable chemical precursors for conversion into chemicals and transportation fuels challenging and costly. Co-solvents THF and water cause lignin to dissociate from itself and cellulose, expanding into a random coil.
Alstom will supply six hydrogen fuel cell trains, with the option for eight more, to FNM (Ferrovie Nord Milano), the main transport and mobility group in the Italian region of Lombardy, for a total amount of approximately €160 million. This zero-emission train emits low levels of noise, with exhaust being only steam and condensed water.
Transportation fuels contribute a significant portion of current CO 2 emissions, accounting for 23% of global greenhouse gas (GHG) emissions and up to 40% of GHGs in developed economies, offering significant opportunities for emissions reduction from the decarbonization of such fuels. —Rob McGinnis. to C 2 fuel products such as ethanol.
At this year’s Africa Aerospace & Defence (AAD) expo at AFB Waterkloof in Centurion, Rheinmetall AG is presenting turnkey, mobile modular solutions for producing, storing and transporting CO 2 -free hydrogen. The hydrogen produced by the system can either be kept in situ or transported to a different destination.
In working to elucidate the chemistry of hydrodeoxygenation (HDO) for the catalytic upgrading of pyrolytic bio-oil to fuel-grade products, researchers at Pacific Northwest National Laboratory (PNNL) have discovered that water in the conversion process helps form an impurity which, in turn, slows down key chemical reactions.
Researchers at North Carolina State University have developed a highly effective new perovskite-promoted iron oxide redox catalyst for a hybrid solar-redox scheme they had proposed earlier for partial oxidation and water-splitting of methane. To further enhance this effect, they proposed a layered reverse-flow reactor concept.
The US National Science Foundation (NSF) has issued a grants opportunity notice ( PD-14-7644 ) for up to about $13 million in awards to fundamental research and education that will enable innovative processes for the sustainable production of electricity and transportation fuels. Advanced Batteries for Transportation. Wind Energy.
While Ni metal catalyzes the hydrogen evolution reaction (HER) exclusively under CO 2 RR conditions, Ni single atomic sites present a high CO selectivity of 95% under an overpotential of 550 mV in water, and an excellent stability over 20 hours’ continuous electrolysis. The current density can be scaled up to more than 50 mA cm?2
A report prepared by ISIS (Institute of Studies for the Integration of Systems - Italy) together with Tecnalia (Spain) for the European Parliamentary Research Service (EPRS) discusses the technological, environmental and economic barriers for producing methanol from carbon dioxide, as well as the possible uses of methanol in car transport in Europe.
Ethanol conversion to hydrocarbons as a function of temp. Benefits of the catalyst technology include: A single step conversion of ethanol into a hydrocarbon blend stock without the addition of hydrogen. Graph showing hydrocarbon distribution in product stream of 10% ethanol after catalytic conversion over Cu-ZSM-5 at 400° C at 12.5
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. Here, we present a catalyst:ionomer bulk heterojunction (CIBH) architecture that decouples gas, ion, and electron transport.
Vertimass LLC, a California-based start-up company, has licensed an Oak Ridge National Laboratory (ORNL) technology that directly converts ethanol under moderate conditions at one atmosphere without the use of hydrogen into a hydrocarbon blend-stock for use in transportation fuels. Catalytic conversion of to hydrocarbons (2012).
This reduces the water content of the reaction to maximize the amount of actual solids that can be loaded and also conserve heat and energy. Compared to other available biomass solvents, THF is well-suited for this application because it mixes homogeneously with water, has a low boiling point (66 ?C) Cai, a Ph.D.
Scottish Enterprise, Transport Scotland and the Hydrogen Accelerator, based at the University of St Andrews, have appointed Arcola Energy and a consortium of industry leaders in hydrogen fuel cell integration, rail engineering and functional safety to deliver Scotland’s first hydrogen powered train.
Honda marked the opening of Honda Smart Home US, showcasing technologies that enable zero net energy living and transportation, including Honda’s home energy management system (HEMS), a proprietary hardware and software system that monitors, controls and optimizes electrical generation and consumption throughout the home’s microgrid.
While there is global potential to generate renewable energy at costs already competitive with fossil fuels, a means of storing and transporting this energy at a very large scale is a roadblock to large-scale investment, development and deployment. Generation 2 moves the Haber-Bosch process to renewable sources of hydrogen.
Nel Hydrogen Electrolyser AS, a division of Nel ASA, has received a purchase order for a 20MW alkaline water electrolyzer from Ovako , a leading European manufacturer of engineering steel. The conversion to hydrogen will enable Ovako to reduce its CO 2 emissions for steel production in Hofors by 50%.
Additionally, many chemicals relied upon for transportation (such as oils and lubricants) as well as other commodity chemicals and polymer precursors are, and will likely remain, carbon-based. By 2040, enable large-scale biomass production and conversion that allows biofuels to constitute 25% of the US transportation fuel market.
Fraunhofer’s POWERPASTE releases hydrogen on contact with water. Specific energies and energy densities including conversion losses. Refueling would be simple; riders merely have to replace an empty cartridge with a new one and then refill a tank with water. It has a hydrogen capacity of about 10 mass-% (i.e. 10 kg POWERPASTE ?
The US Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) announced up to $30 million in funding for a new program for technologies that use renewable energy to convert air and water into cost-competitive liquid fuels. ( The production, transport and use of carbon-neutral liquid fuels for energy delivery.
Biological conversion of methanol to longer carbon chain compounds is feasible; however, the natural biological pathways for methanol utilization involve carbon dioxide loss or ATP expenditure. With a cell-free system, we demonstrated the conversion of methanol to ethanol or n-butanol. Earlier post.).
of the online tool Water Assessment for Transportation Energy Resources ( WATER ) this week. This latest version of WATER allows, for the first time, biofuels manufacturers to analyze water consumption associated with use of cellulosic feedstocks such as residue left from lumber production and other wood-based resources.
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).
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