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Researchers in Israel have designed a separate-cell photoelectrochemical (PEC) water-splitting system with decoupled hydrogen and oxygen cells for centralized hydrogen production. A paper describing their system is publishedin the journal Joule. The hydrogen cell contains the cathode, and it is physically separated from the oxygen cell.
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).
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.
Michael Grätzel at EPFL (Ecole Polytechnique Fédérale de Lausanne) in Switzerland has developed a highly efficient and low-cost water-splitting cell combining an advanced perovskite tandem solar cell and a bi-functional Earth-abundant catalyst. conversion efficiency from solar energy to hydrogen, a record with earth-abundant materials.
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.
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 of these processing stations is connected to an array of catalysts. Earlier post.). The main catalysts are proprietary modified ZSM-5 catalysts.
Researchers led by MIT professor Daniel Nocera have produced an “artificial leaf”—a solar water-splitting cell producing hydrogen and oxygen that operates in near-neutral pH conditions, both with and without connecting wires. Earlier post.). simulated sunlight. constructing a simple, stand-alone device composed of.
The US Department of Energy (DOE) announced the award of up to $40 million, subject to appropriations, to design, permit, and construct an open-water, grid-connected national wave energy testing facility.
A key benefit of this joint effort is the direct coordination of NSF-funded use-inspired basic research and EERE-funded applied R&D toward the development of cost-effective large-scale systems for the low-carbon production of hydrogen through advanced solar water-splitting technologies.
The technological breakthrough within the HYBRIT ( earlier post ) initiative cuts about 90% of the emissions in connection with steel production and is a decisive step on the road to fossil-free steel. With SSAB’s conversion, we will reduce carbon dioxide emissions by 10 percent in Sweden and 7 percent in Finland.
Eligible diesel vehicles, engines and equipment may include drayage trucks; marine engines; locomotives and non-road engines; and equipment or vehicles used in the handling of cargo at a marine or inland water port. Verified Marine Shore Connection Systems: up to 25% of the cost of eligible shore connection systems.
The home is also three times more water-efficient than a typical US home. The system will also enable Honda to evaluate the second life, or re-use, of EV batteries in grid applications, home-to-grid (H2G) connectivity and other concepts. Water efficiency. Photo by Dorian Toy. Click to enlarge. DC-to-DC electric vehicle charging.
EPA’s Office of Transportation and Air Quality (OTAQ) is soliciting proposals ( EPA-OAR-OTAQ-14-02 ) that achieve significant reductions in diesel emissions in terms of tons of pollution produced by diesel engines and diesel emissions exposure, from fleets operating at marine and inland water ports.
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. … Wang et al.
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.
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.
This expands the window for aftertreatment of exhaust gases: even at exhaust gas temperatures close to the engine of +500°C, the system is still able to achieve very high conversion rates. Conversion rates do not drop above +350°C thanks to twin dosing-system. These conditions are met in many operating situations.
They will incorporate experts in hydrodynamics, structural dynamics, control systems, power electronics, grid connections, and performance optimization. The bottom, sides, and surface of rivers and tidal channels confine water flow, which significantly alters the operation of river and tidal turbines. University of Washington.
Because so much energy is lost turning steam back into water in the Rankine cycle, at most a third of the power in the steam can be converted into electricity. In comparison, the Brayton cycle has a theoretical conversion efficiency upwards of 50%. It took us a long time to get the data needed to let us connect to the grid.
Researchers at Stanford University have developed a new low-voltage, single-catalyst water splitter that continuously generates hydrogen and oxygen. In the reported study, the new catalyst achieved 10 mA cm −2 water-splitting current at only 1.51 V V to reach 10 mA cm −2 current (for integrated solar water splitting).
Grant Seuser of SwRI’s Powertrain Engineering Division and Dr. Gary Jacobs of UTSA’s College of Engineering, is supported by a $125,000 grant from the Connecting through Research Partnerships (Connect) Program. We’re facing a lack of renewable fuels and the technology to deliver cleaner power generation.
CatLiq converts biomass and organic wastes in water at near or supercritical conditions (280-350 °C and 180-250 bar). In addition to the bio-oil/methane products, the process can be tuned to produce hydrogen and water soluble fuels such as methanol, ethanol or acetaldehyde. 2005) CatLiq—a Disruptive Technology for Biomass Conversion.
FlagshipONE will be connected to Övik Energi’s combined heat and power (CHP) plant Hörneborgsverket in Örnsköldsvik, in the north of Sweden. The new facility will upcycle carbon dioxide emissions and combine this with green hydrogen, made from renewable electricity and water to produce eMethanol.
The new catalyst can be used in artificial photosynthesis powered by solar energy to convert carbon dioxide and water into carbon compounds. Most artificial photosynthesis technologies use a two-electron reduction conversion process, producing carbon monoxide and formic acid.
Twelve’s jet fuel, produced using its carbon transformation technology in partnership with Fischer-Tropsch conversion experts Emerging Fuels Technology ( earlier post ), is a fossil-free fuel that offers a drop-in replacement for petrochemical-based alternatives without any changes to existing plane design or commercial regulations.
As the V OC of the presented c-Si cells is only ∼600 mV, four cells need to be connected in series to achieve stable water splitting performance. We demonstrate in this study that, thanks to their high V OC , three series-connected SHJ cells can already stably drive the water splitting reaction at unprecedented SHE.
The catalyst is also readily applicable to other energy storage and conversion systems, including metal-air batteries, supercapacitors, electrolyzers, dye-sensitized solar cells, and photocatalysis. The catalyst is applied as a sheer coating only about two dozen nanometers thick and comprises two connected nanotechnology solutions.
EPA’s Office of Transportation and Air Quality (OTAQ) is soliciting proposals ( EPA-OAR-OTAQ-14-07 ) that achieve significant reductions in diesel emissions in terms of tons of pollution produced by diesel engines and diesel emissions exposure, from fleets operating at marine and inland water ports located in areas of poor air quality.
The K5 Blazer-E is a functional proof of concept of the upcoming Electric Connect and Cruise package Chevrolet Performance plans to sell in the second half of 2021. Chevrolet first previewed the eCrate conversion concept with the Chevrolet eCOPO Camaro in 2018 ( earlier post ), followed by the Chevrolet E-10 in 2019.
The 27 projects range from concept studies and component design research to prototype development and in-water device testing. The goal is to develop an optimal generator for current energy conversion. DOE Funding: $160,000. Total Project Value: $192,000. DOE Funding: $240,000. Total Project Value: $300,000. DOE Funding: $160,000.
The advancement could significantly boost the production of hydrogen from sunlight by using the cell to split water at a higher efficiency and lower cost than current photoelectrochemical approaches. A salt bridge connects the two compartments and transports H + and Na +. The research is outlined in a paper in Nature Energy.
If LPG mode is selected, the vehicle will automatically switch to gas operation as soon as the necessary cooling-water temperature of around 45 ° Celsius has been reached. The gas connection is located above the gasoline filler neck, behind the fuel filler flap.
This completes the approval process for projects selected in ARPA-E’s Next-Generation Energy Technologies for Connected and Autonomous On-Road Vehicles (NEXTCAR) ( earlier post ) and Renewable Energy to Fuels Through Utilization of Energy-Dense Liquids (REFUEL) ( earlier post )programs. Giner, Inc.: Molecule Works, Inc.: Opus 12, Inc.:
Our results with formic acid demonstrate that the systematic implementation of modern solvent techniques in continuous reactor equipment makes it possible to perform conversions that cannot be achieved under conventional conditions. In laboratory experiments, stable operation was demonstrated for over 200 hours.
Business-as-usual’ projections of future conversion rates, based on historical rates over the past two decades, indicate that 6–9 Mha of peatland in insular Southeast Asia may be converted to plantations by the year 2020, unless land use planning policies or markets for products change. —Miettinen et al. Chris Malins.
A team of researchers at MIT has described a framework for efficiently coupling the power output of a series-connected string of single-band-gap solar cells to an electrochemical process that produces storable fuels. This paper performs an equivalent circuit analysis for multiple series-connected devices. Source: Winkler et al.
1 ) and ammonia conversion (>99%) at a significantly reduced operating temperature (. The steam carrier presents similar membrane reactor performance to that of noble gases, and the water reservoir used for steam generation acts as an ammonia buffer via scrubbing effects. mol-H 2 g cat ?1 Credit: KIST. —Park et al. C to 450 ?
MIT researchers have found a new family of highly active catalyst materials that provides the best performance yet in the oxygen evolution reaction (OER) in electrochemical water-splitting—a key requirement for energy storage and delivery systems such as advanced fuel cells and lithium-air batteries. Earlier post.) —Grimaud et al.
The projects moving forward are part of ARPA-E’s Next-Generation Energy Technologies for Connected and Autonomous On-Road Vehicles (NEXTCAR) ( earlier post ) and Renewable Energy to Fuels Through Utilization of Energy-Dense Liquids (REFUEL) ( earlier post ) programs. Additional awardees are expected to move forward in the coming weeks.
The “smart” buoys, based on integrated patented hydrodynamics, electronics, energy conversion and computer control systems, capture and convert energy from the natural rising and falling of waves into low-cost, clean electricity. The USP provides control and SCADA capability for all connected PowerBuoys. Earlier post.).
Scientists at the US Department of Energy’s (DOE) National Renewable Energy Laboratory (NREL) recaptured the record for highest efficiency in solar hydrogen production via a photoelectrochemical (PEC) water-splitting process. Structure of an IMM photocathode configured for water splitting with TEM cross-section of the active layers.
Durability & Environmental Stress When you embed a motor in the wheel, it’s exposed to heat, cold, water, potholes—whatever Mother Nature and bad roads can throw at it. Sealing & Protection: If water or debris sneaks in, kiss reliability goodbye. looking for inwheel hub motors Jump to Latest 2.8K In-Wheel Motor Challenges 1.
Fats, Oils and Greases (FOG) co-processing is one of nine ASTM-approved conversion processes for SAF production. For the start of SAF production, bp built a new unloading point at the Lingen site, upgraded a tank for the storage of biogenic raw materials and connected it to the previously extensively maintained hydrocracker plant.
Their quantitative lifecycle assessment of the environmental merits of liquid hydrocarbon fuels produced from CO 2 , water and energy compared to alternative fuel production routes is published in the ACS journal Environmental Science & Technology. —van der Giesen et al. Credit: ACS, van der Giesen et al. Click to enlarge.
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