This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
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.
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.
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 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.
One-pot process for conversion of cellulose to hexane, a gasoline component. Even using a high weight ratio of cellulose to water (1:1), a 71% yield of n-hexane could be obtained from ball-milled cellulose. To the best of our knowledge, this conversion process has not yet been reported. Credit: ACS, Liu et al. Click to enlarge.
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. Joule is now commercializing its first product, Sunflow-E, for global availability in early 2015.
Toshiba Corporation has developed a new technology that uses solar energy directly to generate carbon compounds from carbon dioxide and water, and to deliver a viable chemical feedstock or fuel with potential for use in industry.
One-pot electrolytic process produces H 2 and solid carbon from water and CO 2. In this study, they focused on the electrolysis component for STEP fuel, producing hydrogen and graphitic carbon from water and carbon dioxide. 2014), “A One-Pot Synthesis of Hydrogen and Carbon Fuels from Water and Carbon Dioxide,” Adv.
Chrysler’s 2014 Ram 1500 will offer a new, 3.0-liter The dual overhead cams with chain-driven roller-finger followers and gear-to-gear meshing afford efficient valve operation, working in harmony with the variable-geometry, electronically controlled, water-cooled turbocharger. Click to enlarge. Branded EcoDiesel, the new 3.0-liter
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.
They found that the presence of impurities such as water and salt in glycerol significantly reduced the yield at the optimum conditions. At optimum conditions (temperature of 25 °C, acetone-to-glycerol molar ratio of 4 and weight hour space velocity of 2 h ?1 1 ) the maximum yield was obtained at 94 ± 2%. 2014.02.068.
Past themes have included topics as diverse as the role of big data and the energy-water nexus. However, despite decades of effort, no lab-developed catalyst for achieving that conversion has been commercialized. MITEI received a total of 49 proposals from across the Institute.
Israel-based NewCO2Fuels (NCF), a subsidiary of GreenEarth Energy Limited in Australia, reported completion of stage 1 testing of its proof-of-concept system for the conversion of CO 2 into fuels using solar energy. Simultaneously, the same device can dissociate water (H 2 O) to hydrogen (H 2 ) and oxygen (O 2 ).
2014) Click to enlarge. 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)
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.
The GREET (The Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation Model) team at Argonne National Laboratory has released a new version of the widely used GREET lifecycle analysis tool, GREET 2014. Added water consumptions for the major pathways as an additional life-cycle analysis metric. Preferred units.
Researchers at Japan’s National Institute for Materials Science (NIMS) have discovered a new photocatalyst, Sn 3 O 4 , which facilitates the production of hydrogen fuel from water, using sunlight as an energy source. Sn 3 O 4 has great potential as an abundant, cheap, and environmentally benign solar-energy conversion catalyst.
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.). Earlier post.). Lam, and James C.
volts versus the reversible hydrogen electrode) in CO-saturated alkaline water. For the Nature study, Kanan and Li built an electrochemical cell: two electrodes placed in water saturated with carbon monoxide gas. The challenge was to find a cathode that would reduce carbon monoxide to ethanol instead of reducing water to hydrogen.
Preliminary extractives analysis demonstrates that most of the salt can be removed by controlling two factors; firstly time of the initial washing and secondly, salinity of the water being used. 2014) in which they report that composition of the washed S. 2014) in which they report that composition of the washed S. bigelovii.
The Gas Technology Institute (GTI) in Des Plaines, IL, recently added a new Pilot-Scale IH 2 Plant to broaden biomass-to-liquid hydrocarbon fuel conversion. The timeline to market is short, and commercial introduction is expected in early 2014. Earlier post.). IH 2 -produced fuels have been analyzed by CRI.
The US Department of Energy (DOE) released its five-year 2014-2018 Strategic Plan. To achieve this first objective, DOE intends to pursue parallel strategies: Advance options for diverse energy resources and conversion devices for power. Contribute to international efforts to address global climate change. watt utility, $2.37/watt
In a paper presented at the SAE 2014 World Congress, they reported on their investigations of the 6-stroke cycle for near-stoichiometric and lean operation. The converse is also generally true; burning less fuel during the first combustion stroke will give lower temperature and pressure for the second stroke. and Fiveland, S.
Used as a soil amendment, its CoolTerra biochar product also increases crop productivity and plant health while reducing water and fertilizer requirements. Catalytic Conversion: Cool Planet has developed a number of proprietary catalytic conversion processes to convert these useful hydrocarbon components into different types of fuels.
Molybdate is relatively abundant and stable in air and water. reacts with triethylsilane in acetonitrile under an atmosphere of CO 2 to produce formate (69% isolated yield) together with silylated molybdate (quantitative conversion to [MoO 3 (OSiEt 3 )] ? , 2 -CO 3 )] 2? 50% isolated yield) after 22 hours at 85 °C.
Researchers at Argonne National Laboratory have analyzed the water consumption for transportation fuels in the United States using an extended lifecycle system boundary that includes the water embedded in intermediate processing steps. Increases in population, energy and food demand now strain previously abundant sources of water.
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).
Panda Power Funds has financed the 1,124 megawatt Panda “Hummel Station” power plant—one of the largest coal-to-natural gas power conversion projects in the United States. The Panda Hummel power plant will utilize existing infrastructure at the site for the electrical interconnection, water intake and storm water runoff systems.
After depositing copper foams on an electrode, the researchers set up experiments to see what kinds of products would be produced in an electrochemical reaction with CO 2 in water. The work in the study is part of a larger effort by Browns Center for the Capture and Conversion of CO 2. Sujat Sen, Dan Liu, and G.
Fiat is updating its 500L range for 2014 with two new turbocharged 120 hp (88 kW) engine options—the 1.6 Unlike an aftermarket conversion, the 120 HP 1.4 MultiJet II turbodiesel and the 1.4 T-Jet gasoline—and a dual fuel LPG/gasoline variant of the 1.4 MultiJet II. seconds; combined consumption of 8.9 l/100 km (26.4
Bionic leaves that produce energy-dense fuels from nothing more than sunlight, water and atmosphere-warming carbon dioxide, with no byproducts other than oxygen, represent an ideal sustainable energy alternative to fossil fuels. Moore (2014) “Energetics and Efficiency Analysis of a Cobaloxime-Modified Semiconductor at Simulated Air Mass 1.5
The Hummel Generating Station will also use 97% less water for cooling purposes than the retired coal-fired Sunbury plant. To date, Hummel Station is expected to be one of the largest coal to natural gas conversion projects in the United States. The project has also received its water use and land development permits.
Vertimass originally licensed the technology from Oak Ridge National Laboratory (ORNL) in 2014. Block flow diagram illustrating (top) water removal from wet ethanol vapor above the feed tray to produce pure fuel grade ethanol or (bottom) CADO of the same wet ethanol to fungible blendstocks. Earlier post.). GJ in the near future.
Pinto recently filed the project’s air and water permits, and is in discussions with regional economic authorities for further local support. Pinto has secured funds to complete the engineering, permitting and all other upfront work; construction financing is scheduled to close in the first quarter of 2014.
A team of researchers at Ulsan National Institute of Science and Technology (UNIST), Korea University, and the Korea Advanced Institute of Science and Technology (KAIST) has developed a new type of multilayered (Au NPs/TiO 2 /Au) photoelectrode that could boost the ability of solar water-splitting to produce hydrogen. 2016.01.004.
2014-01-1190. Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. The engine conversion. D-EGR demonstrator at SAE 2014 World Congress. Overall, the engine offered a 13.1%
If hydrogen production is to be distributed and produced in small-scale devices, it would be attractive if the subsequent conversion of H 2 into a liquid fuel could also be performed in simpler, low-pressure decentralized units. Carbon Capture and Conversion (CCC) Catalysts Methanol' Elkjær, Jens S.
Researchers from the Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences have proposed a strategy to suppress the polysulfide shuttle effect in Lithium-sulfur batteries—which can result in severe low efficiency—using a novel anode protection. 3 mg cm -2. —Ma et al.
The plan is to begin construction on the first plant in 2014. The process also generates value through biochar production, which can be returned to the soil, enabling fertilizer and water retention for increased crop productivity, and more robust plant health. After closing on more than $29.9 million in this closing.
Broadly, GTL processing using natural gas as feedstock entails three stages: reforming of methane to produce syngas (a mixture of H 2 and CO); conversion of the syngas using F-T synthesis to produce a broad range of hydrocarbons; and upgrading of the F-T products to naphtha, diesel, liquefied petroleum gas, etc., —Zhang et al.
A team at George Washington University led by Stuart Licht has developed a relatively efficient electrochemical process for the production of ammonia from water and nitrogen, without the need for an independent hydrogenation step (and thus the associated carbon-intensive steam reforming of methane as the hydrogen source). —Licht et al.
Scientists from the Max Planck Institutes for Chemical Energy Conversion and Coal Research and from the research group Photobiotechnology at Ruhr-Universität Bochum (RUB) have discovered a way of increasing the efficiency of hydrogen production in microalgae by a factor of five by using a combined metabolic engineering approach.
Qiang Dai and Christian Lastoskie found that BEVs and FCVs in particular offer significant reductions in greenhouse gas emissions, especially if carbon capture and sequestration (CCS) technologies are implemented at the fuel conversion facilities. water depletion potential (WDP). particulate matter formation (PMF).
Researchers from Ulsan National Institute of Science and Technology (UNIST) in Korea and Karlsruher Institute of Technology in Germany have developed a novel energy conversion and storage system using seawater as a cathode. V in de-aerated water. Click to enlarge. V from 1.88?V In addition, this system can be easily scaled up.
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content