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The midwater plume comprises two stages: (i) the dynamic plume, in which the sediment-laden discharge water rapidly descends and dilutes to a neutral buoyancy depth, and (ii) the subsequent ambient plume that is advected by the ocean current and subject to background turbulence and settling. Earlier post.). —Thomas Peacock.
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. (B) MS signal and SFE values for a wireless configuration. Reece et al. Click to enlarge.
Daniel Nocera and his associates have found another formulation, based on inexpensive and widely available materials, that can efficiently catalyze the splitting of water molecules using electricity. Earlier post.). Earlier post.). Materials for the new catalyst are even more abundant and inexpensive than those required for the first.
A new desalination process developed by engineers at MIT could treat produced water—deep water, often heavily laden with salts and minerals—from natural gas wells at relatively low cost. The research is the work of a team including MIT postdoc Prakash Narayan, mechanical engineering professor John H.
A team of MIT researchers, led by Dr. Angela Belcher, has engineered a common bacteriophage virus (M13) to function as a scaffold to mediate the co-assembly of zinc porphyrins (photosensitizer) and iridium oxide hydrosol clusters (catalyst) for visible light-driven water oxidation. Source: Nam et al., Supplementary materials.
A team of researchers at MIT is developing and testing a new silicon carbide (SiC) cladding material for nuclear fuel rods that could reduce the risk of hydrogen production by roughly a thousandfold compared to the common zircaloy cladding. SiC is “ very promising, but not at the moment ready for adoption ” by the nuclear industry, he adds.
a company that has developed a low-cost hybrid electric powertrain designed specifically for class 1-3 commercial fleet use ( earlier post ), will display a Chevrolet Express 2500 cargo van fitted with the company’s hybrid technology at the 2012 Massachusetts Institute of Technology (MIT) Energy Conference Energy Showcase on 16 March.
Three MIT-led research teams have won awards from the Department of Energy’s Nuclear Energy University Programs ( NEUP ) initiative to support research and development on the next generation of nuclear technologies. Fluoride-salt High-Temperature Reactor.
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. Watson Research Center) and former MIT graduate student Casandra Cox (now at Harvard). Source: Winkler et al.
Based on the interim results of a new study, MIT researchers are warning smaller nations to proceed with caution in pursuing the development of their natural gas resources. —Sergey Paltsev, an author of the study and a principal research scientist at the MIT Energy Initiative. Cyprus offshore hydrocarbon exploration blocks.
Researchers at MIT, led by associate professor of mechanical engineering Kripa Varanasi, say they have found a solution, described recently in the RSC journal Physical Chemistry Chemical Physics. — Methane hydrates can freeze upon contact with cold water in the deep ocean, are a chronic problem for deep-sea oil and gas wells.
Algae have the potential to produce large volumes of fuel per unit area of production on marginal lands using saline water unsuitable for food crops. Thus, algal biofuels could expand transportation energy supplies, without significantly displacing land and water resources that would otherwise have been used for food production.
Findings by MIT researchers could help advance the commercialization of supercritical water technology for the desulfurization and upgrading of high-sulfur crude oil into high-value, cleaner fuels such as gasoline without using hydrogen—a major change in refining technology that would reduce costs, energy use, and CO 2 emissions.
The MIT Energy Initiative (MITEI) announced its latest round of seed grants to support early-stage innovative energy projects. Past themes have included topics as diverse as the role of big data and the energy-water nexus. A total of more than $1.6 million was awarded to 11 projects, each lasting up to two years.
Researchers have demonstrated a route for the production of major commercial C 3. Specifically, the major commercial C 3 hydrocarbons, propane and propylene, can be obtained from butyric acid and 3-hydroxybutyrate (3HB) in substantial yields and industrially relevant productivities by hydrothermal decarboxylation. —Fischer et al.
” The MIT report said that natural gas should be seen as a “ bridge ” to a low-carbon regime, rather than as the ultimate long-term solution itself. MIT: The Future of Natural Gas. Separately, the International Energy Agency (IEA) released its own report exploring the potential for a “golden age” of gas. Source: IEA.
The US Department of Energy (DOE) has awarded MIT associate professor of metallurgy Antoine Allanore a $1.9-million splitting water into hydrogen and oxygen. The MIT molten sulfide electrolysis process eliminates sulfur dioxide, a noxious byproduct of traditional copper extraction methods, instead producing pure elemental sulfur.
Heliogen, a company that is transforming sunlight to create and replace fuels, recently announced its launch and also said that it has—for the first time commercially—concentrated solar energy to exceed temperatures greater than 1,000 degrees Celsius.
MIT researchers are proposing a novel electricity generation process using natural gas and solid oxide fuel cells at high electrical efficiency (74%HHV) with zero atmospheric emissions. The research was partly funded from the BP-MIT Conversion Research Program. A paper on their work is in press in the Journal of Power Sources.
The MIT Energy Initiative has released a new report on reducing carbon dioxide emissions from existing coal plants. In the interim, we need a large, focused, federal program to develop and demonstrate commercial-scale technologies. Professor Ernest Moniz, director of the MIT Energy Initiative (MITEI).
Using a new kind of hydrogel material, researchers at the University of Texas at Austin have pulled water out of thin air at temperatures low enough to be achieved with sunlight. Atmospheric water harvesting draws water from humidity in the air. The material is a hydrogel, a polymer network that naturally retains a lot of water.
GMZ’s material, a nanostructured bismuth antimony telluride, was developed by researchers at Boston College and MIT. This investment will allow us to commercialize this breakthrough and expand our product line more quickly and efficiently.
The MITEI program pairs world-class research teams with the energy companies responsible for commercializing the technology. MIT faculty and students have proved to be invaluable research partners who embody the Institute’s motto ‘Mens et Manus’ or ‘Mind and Hand’. —Ellen Williams, BP’s Chief Scientist.
When methane hydrates are “melted,” or exposed to pressure and temperature conditions outside those where the formations are stable, the solid crystalline lattice turns to liquid water, and the enclosed methane molecules are released as gas. Massachusetts Institute of Technology (MIT). MIT will work with the U.S. Earlier post.).
Michael Matturro, Corporate Programs Laboratory Director for ExxonMobil, provided a brief overview of the scope of the work and described some preliminary results from a comprehensive lifecycle analysis of different algal biofuel production pathways being done by the two partners along with MIT. We think it’s an effort worth making.
The network has two unique features: 1) it allows for high capacitance (up to 400 F/g) energy storage in a simple film configuration without the need of high-surface-area nanostructures; 2) it is unstable in water, but becomes extremely stable in electrolyte with high ionic strength. —Xian Ning Xie.
A team of researchers at MIT and Tsinghua University has developed a high-rate, high-capacity and long-lived anode for Li-ion batteries comprising a yolk-shell nanocomposite of aluminum core (30 nm in diameter) and TiO 2 shell (~3 nm in thickness), with a tunable interspace (Al@TiO 2 , or ATO). Earlier post.). —Li et al.
Shuguang Zhang, associate director of MIT’s Center for Biomedical Engineering, and postdocs Iftach Yacoby and Sergii Pochekailov, together with colleagues at Tel Aviv University in Israel and the in Colorado, have found a way to use bioengineered proteins to flip this preference, allowing more hydrogen to be produced.
OsComp Systems, a startup formed by MIT alumni, has developed , with support from the US Department of Energy (DOE), a hybrid rotary compressor design that decreases the energy required to compress and transport natural gas, lowers operating costs, improves efficiencies and reduces the environmental footprint of well site operations.
Scientists at MIT have built catalyst structures to achieve high Li-O 2 battery performances by forming a nanocomposite of bio-templated manganese oxide nanowires (bio MO nanowires) produced by the M13 bacteriophage virus ( earlier post ) with incorporation of a small weight percent (3-5 wt%) of Pd nanoparticles. Click to enlarge.
An interdisciplinary team from MIT, the National Oceanic and Atmospheric Administration (NOAA), and elsewhere has identified the major particles upon which cirrus clouds form. Formation of cirrus clouds depends upon the availability of ice nuclei to begin condensation of atmospheric water vapor.
A Portable Desalination System Makes Water Potable—Without a Filter Payal Dhar (Freelance Blogger) MIT researchers have developed a prototype of a suitcase-size device that can turn seawater into safe drinking water. With climate change exacerbating water scarcity globally, seawater desalination is stepping in to fill the void.
Water will be the primary byproduct. A novel metal complex for electrolysis of water will be used to generate the hydrogen at high rates. The aerobic microbe has been engineered at MIT and is capable of converting a variety of organic compounds into oil, from which biodiesel may be produced. per gallon. Harvard, Univ.
The oxy-combustion process replaces the air used for combustion with a mixture of oxygen and recycled plant emissions (flue gas) and/or water for temperature control. The selection of Phase 2 projects will occur next year based upon Phase 1 results. Unity Power Alliance.
At commercial scale, the inputs to the proposed “carbon refinery” process are carbon-free renewable energy, water, and CO 2. The Massachusetts Institute of Technology (MIT) has engineered the oleaginous yeast Yarrowia lipolytica to produce biodiesel-like lipids and alkanes.
The GE Research team aims to reduce operations and maintenance (O&M) costs by moving from a time- to condition-based predictive maintenance framework, using GE Hitachi’s BWRX-300 boiling water reactor as the reference design. Digital twins of MSRs will require this critical data, which is currently unavailable.
A commercially viable OCM process—which has been sought for some 30 years— would decouple the production of mainstream chemicals and fuels from crude oil and its current price instabilities, along with reducing energy consumed for processing. The ethane subsequently undergoes dehydrogenation to form ethylene and water.
Researchers at MIT had earlier demonstrated the ability to make biopropane (LPG from corn or sugarcane) using a supercritical water process, and created a startup (C3 BioEnergy) in 2007 that attempted to commercialize the technology. This concept, if commercialized, would avoid a key. Stored and transported like.
decrease water use compared to conventional algae reactors. The Massachusetts Institute of Technology (MIT) will develop a. gas, the first step in the commercial process of converting natural. deployed remotely, MIT’s reformer could be used for small, remote sources of gas. innovative water-based, lithium-sulfur battery.
Researchers at Harvard have created a hybrid water splitting–biosynthetic system based on a biocompatible Earth-abundant inorganic catalyst system to split water into molecular hydrogen and oxygen (H 2 and O 2 ) at low driving voltages. It takes sunlight, water and air—and then look at a tree. —Daniel Nocera.
The MIT will develop a new generation of power electronics based on vertical gallium nitride (GaN) superjunction diodes and transistors that can vastly exceed the performance of today’s GaN power devices. The system takes three main inputs: ambient air, water, and a sustainable energy source, and produces butanol with high selectivity.
JCAP researchers are focused on achieving the major scientific breakthroughs needed to produce liquid transportation fuels from a combination of sunlight, water, and carbon dioxide, using artificial photosynthesis. Molecular Catalysis.
that produces large quantities of sugar and requires less water. performance to the best commercial magnets and be significantly less expensive. properties on a prototype bulk magnet exceeding state-of-the-art commercial magnets. developed and deployed at commercial scale. heating and water purification.
An international team from MIT, Argonne National Laboratory and Peking University has demonstrated a lab-scale proof-of-concept of a new type of cathode for Li-air batteries that could overcome the current drawbacks to the technology, including a high potential gap (>1.2 V)
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