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A team led by researchers at Tokyo Institute of Technology (Tokyo Tech) have discovered a new bimetallic electrocatalyst for the oxygen evolution reaction (OER) in electrochemical water splitting: CaFe 2 O 4.
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.
Both half reactions of water electrolysis—hydrogen and oxygen evolution—are unfortunately slow and require a lot of power. The material can be used as either an anode or a cathode, and demonstrates high activity and stability in the production of hydrogen and oxygen in the electrolysis of water. Zhang, S.L., and Lou, X.W.
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.
Two years after unveiling the BMW i Hydrogen NEXT concept car, BMW will present the BMW iX5 Hydrogen at the IAA Mobility 2021 in Munich in September. The fuel cell delivers an electrical output of up to 125 kW/170 hp, with water vapor as the only emission. Driving dynamics, strong long-distance capabilities.
When in use, fuel cells do not cause any climate-damaging emissions, as they only emit water vapor. MAN plans to build prototype vehicles as early as next year in line with the currently ongoing development projects. MAN is testing both the use of a fuel cell and an H 2 combustion engine.
Korea’s Ulsan National Institute of Science and Technology (UNIST) have developed a novel process for the production of hydrogen using various types of biomass, including lignin, as an efficient alternative to water oxidation as an electron source. Conventionally, water is considered a cheap and clean source of electrons; 2H 2 O ?
All the technologies involved—from water electrolysis to CO 2 extraction and methanation—have been examined and enhanced. In the electrolysis process, this electrical power is used to break down water into its components (hydrogen and oxygen).
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. —Prof.
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.
In the run-up to IAA 2019, Continental Powertrain is now presenting a 48-volt high-power drive system with 30 kW, enabling a full-hybrid vehicle. The key component here is a new, water-cooled electric motor, the peak output of which was doubled to 30 kW in comparison with that used previously.
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.
Audi presented the Audi Q4 e-tron ( earlier post ) and the Audi Q4 Sportback e-tron. Including the transmission and the power electronics, which output the current values at intervals of milliseconds, the water-cooled electric motor weighs only around 90 kilograms. It has a maximum speed of 16,000 rpm.
In Germany, the FastCharge research consortium ( earlier post ) has presented a prototype for a charging station with an output of up to 450 kW in Jettingen-Scheppach, located near the A8 motorway between Ulm and Augsburg.
A Northwestern Engineering-led team has developed a highly porous smart sponge that selectively soaks up oil in water. Currently used solutions include burning the oil, using chemical dispersants to breakdown oil into very small droplets, skimming oil floating on top of water and/or absorbing it with expensive, unrecyclable sorbents.
At the Hannover Messe, the company will be presenting its H 2 -ICE exhaust system for the first time. In addition, the metered addition of the urea-water solution can cause particles to form. Among other things, SCR technologies with urea-water solution are used as reducing agents for optimum nitrogen oxide conversion.
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.
Conventional water electrolysis for the production of hydrogen faces technological challenges to improve the efficiency of the water-splitting reaction for the sluggish oxygen evolution reaction (OER). Oxygen and hydrogen are generated during a water electrolysis reaction (top right).
During their experiments, the scientists happened to notice that a strange odor developed when commercial cement was mixed with water. Of the organic matter present in cement, phthalates have the highest effect on deterioration more than phosphates and AE water reducing agents. CT scans showing cracks in damaged concrete.
The DOE’s Pacific Northwest National Laboratory (PNNL) and its licensee Moselle Technologies , have won two Cooperative Research and Development Awards (CRADA) and a 2021 DOE Advanced Manufacturing Office award to advance the process of using magnetic nanoparticles for capturing strategically important elements from water sources.
Audi has presented the activesphere crossover study with electric drive and quattro. meter-long activesphere can turn into an open cargo bed (“active back”) at the touch of a button—perfect for carrying recreational equipment such as e-bikes or water and winter sports gear. The Sportback rear of the 4.98
A study by three French institutes—Ifremer, the University of Bordeaux and the IRD (a public research institution)—has found that the surface water of the Atlantic Ocean is twice as polluted by cellulose fibers as it is by microplastics. Cellulose fibers are present in virtually all the samples collected (92.5%
The intercooler has been changed over from an air/air cooler in the bumper to an indirect water/air cooler in the inside V of the engine. They can perform up to eight injections per work cycle, with injection quantities that are scalable with even greater precision. The maximum injection pressure is 2,500 bar.
Hyundai Motor Group presented the HMG Smart City master model at the 2022 World Cities Summit in Singapore. The city center will feature recreational forests, parks, and a reservoir to provide water for the city. The HMG Smart City concept also envisions a sustainable green city where large natural areas are preserved.
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.
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.
These are important raw materials for the petrochemical industry and are presently also only obtained from fossil crude oil. 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
For example, many people believe water is dangerous around an EV battery, when in fact a large volume of water is the recommended method to suppress a lithium-ion battery fire.
In cooperation with a premium OEM, the Düsseldorf-based technology group has now presented this product in a prototype testbed vehicle. Rheinmetall has developed a new glass fiber suspension spring.
Tesla has warned owners of the Model Y that there is the potential for water ingress in the vehicle’s trunk due to an issue with the seal, which will be repaired. “On some Model Y vehicles, water may have leaked inside the rear trunk area through the liftgate assembly,” Tesla writes in the bulletin.
From an MHI presentation at a 2021 IAEA technical meeting. the passive core cooling by natural heat transfer without power source, water source, and operator action. At 3 meters tall and 4 meters wide, the microreactors will weigh less than 40 tons. The microreactors will have a maximum electrical output of 500kW.
Development of the all-terrain vehicle began in 2017; an experimental prototype was manufactured in winter 2019, and a presentation model was demonstrated in summer 2020. Land speed is up to 70 km/h; water speed is 5 km/h. The ATV is 1.8m wide, with a height of 1.2m; ground clearance is 0.45m (17 3/4"). Weight is 450 kg.
Tesla Cybertruck has a new feature called “Wade Mode” that will help the all-electric pickup navigate through water and avoid damage that could come from doing so. Wade Mode is featured in the Off-Road Baja settings of the vehicle and is described as: “Raises ride height and pressurizes battery when driving through water.”
Vegetation appears red, grassland is light brown, rocks are black, and water surfaces are green. By considering how water containing REEs interacted with calcite, a mineral that is ubiquitous in nature and often present in hydrothermal environments, the team discovered a new pathway by which bastnäsite formed. Image: NASA.
The pilot line is set to be presented at the Hannover Messe Digital Edition from 12-16 April 2021. Specifically, this is about producing the fuel cell stack on which hydrogen is converted to water and the energy is collected. This stack consists of hundreds of bipolar plates arranged on top of one another.
The program determines the environmental balance of vehicles with different size classes and powertrains, and presents the results in comparative graphics. Depletion of fresh water reserves [m 3 ]. The Carculator graphically presents these values for all selected vehicles in parallel, for ease of comparison.
Elon Musk spoke at the World Water Forum in Indonesia this week, following a trip to the country in which he debuted SpaceX’s Starlink satellite internet. Following the debut of Starlink in Indonesia on Sunday, Musk spoke at the World Water Forum in Bali on Monday, sharing a few insights on solving the water crisis.
Water is formed as a by-product. If water is removed from the reaction mixture, the chemical equilibrium shifts towards the product. To remove water, Empa researchers use zeolite, a water-absorbing mineral. Unfortunately, at present the process is not yet very efficient. —Andreas Borgschulte.
At present, the commercial production of lithium results in either substantial carbon dioxide emissions, or considerable damage to scarce water supplies. By further investing in Vulcan, and the other lithium mining projects, Europe could cover most of its anticipated lithium demand from regional resources.
Net positive RF (warming) contributions arise from CO 2 , water vapor, NO x , and soot emissions, and from contrail cirrus (consisting of linear contrails and the cirrus cloudiness arising from them). Here, we present a new comprehensive and quantitative approach for evaluating aviation climate forcing terms.
The downside of oil cooling is the addition of extra components and typically, the water-glycol circuit still exists to remove the heat from the oil and interact with the rest of the vehicle's thermal system. IDTechEx is predicting oil to gain an even greater market share with purely water jacket-cooled motors remaining in a significant way.
The ORR is the chemical reaction in the process that converts hydrogen and oxygen into water and electricity in a fuel cell and it limits the efficiency of the process.
The researchers estimate that adding floating solar panels to bodies of water that are already home to hydropower stations could produce as much as 7.6 The greatest potential for solar power is during dry seasons, while for hydropower rainy seasons present the best opportunity. terawatt-hours of potential annual generation.
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