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MIT researchers led by MIT Professor and colleagues at Brown University have developed an approach to controlling dendrite propagation in solid-state batteries. MIT graduate student Cole Fincher developed a way of making thin cells using a transparent electrolyte, allowing the whole process to be directly seen and recorded.
Researchers at MIT are proposing using a variation on pumped hydroelectric systems for storage of electricity produced by offshore wind farms. Slocum and some of his students built a 30-inch-diameter prototype in 2011, which functioned well through charging and discharging cycles, demonstrating the feasibility of the idea.
MIT researchers have demonstrated that an aircraft with a 5-meter wingspan can sustain steady-level flight using ionic-wind propulsion. The MIT team’s final design resembles a large, lightweight glider. In this way, the batteries supply electricity at 40,000 volts to positively charge the wires via a lightweight power converter.
Researchers at MIT have developed a new, efficient way to capture carbon that addresses the inherent inefficiencies ( earlier post ) of incumbent technologies, due to their thermal energy losses, large footprint or degradation of sorbent material. Credit: RSC, Voskian and Hatton (2019).
has acquired a carbon nanotube technology that can significantly improve the power capability of lithium-ion batteries, through an exclusive technology licensing agreement with Massachusetts Institute of Technology (MIT). —MIT Professor Yang Shao-Horn. Paula Hammond, Bayer Chair Professor of Chemical Engineering at MIT.
Researchers at MIT, with a colleague from Tsinghua University, have developed a safety envelope for Li-ion batteries in electric vehicles by using a high accuracy finite element model of a pouch cell to produce more than 2,500 simulations and subsequently analyzing the data with Machine Learning (ML) algorithms.
MIT researchers and colleagues at two national laboratories have developed a sulfonamide-based electrolyte that enables stable cycling of a commercial LiNi 0.8 In a paper in the journal Nature Energy , the MIT team reports that a lithium-metal battery with the electrolyte delivers a specific capacity of >230?mAh?g
Researchers at MIT have devised a new pulsed laser deposition technique to make thinner lithium electrolytes using less heat, promising faster charging and potentially higher-voltage solid-state lithium ion batteries. —MIT Associate Professor Jennifer Rupp, senior author.
Researchers at the MIT Energy Initiative have investigated the grid impacts of scaled up highway fast-charging (HFC) infrastructure by using an operations model of the 2033 Texas power grid with uniquely high spatial and temporal resolution. Transmission network upgrades can also effectively mitigate grid-HFC interactions.
Researchers at MIT have identified , quantified, and modeled a major reason for the poor performance of electroreduction processes to convert CO 2 to fuel or other useful chemicals. The research was supported by Shell, through the MIT Energy Initiative. A paper on their work is published in the ACS journal Langmuir. —Soto et al.
X-ray microscope snapshot of nanoparticles in a battery midway through charging. Particles range from fully charged (green) to intermediate charge (orange/yellow) to drained of charge (red) The scalebar equals 500 nm. This study is the first to do that comprehensively, under many charging and discharging conditions.
Researchers at MIT and Stanford University have developed new battery technology for the conversion of low-temperature waste heat into electricity in cases where temperature differences are less than 100 degrees Celsius. converting heat to electricity. Lee et al. , Click to enlarge. when cycled between 10 and 60?
Researchers at MIT and in China are proposing a new class of dense intercalation-conversion hybrid cathodes by combining intercalation-type Mo 6 S 8 with conversion-type sulfur (HMSC) to realize a Li–S full cell. This is comparable to some commercial batteries, indicating that the new device does match its predicted characteristics.
New observations by researchers at MIT have revealed the inner workings of a lithium iron phosphate (LiFePO 4 ) cathode—a material widely used in lithium-ion batteries. Yet when treated—with doping and carbon coating—and used as nanoparticles in a battery, the material exhibits an impressively high charging rate.
A new study from researchers at MIT uncovers the kinds of infrastructure improvements that would make the biggest difference in increasing the number of electric cars on the road, a key step toward reducing greenhouse gas emissions from transportation. A paper on the findings is published in Nature Energy.
A team of scientists at MIT has discovered and demonstrated a previously unknown phenomenon that creates self-propagating waves with high thermal conductivity and with electric pulses of very high specific power, up to 7 kW/kg. The TNA shows up as a bright coating compared to the nanotubes. Source: Choi et al. Click to enlarge.
The collaboration began three years ago when Automobili Lamborghini joined the MIT-Italy Program, and took a further step forward in 2017 with the launch of two research projects, one with Professor Mircea Dinc? At MIT, the Dinc? The new patented material was synthesized by Professor Mircea Dinc?’s Battery materials.
Liquid Metal Battery Corporation (LMBC), a Cambridge, Massachusetts company founded in 2010 to develop new forms of electric storage batteries that work in large, grid-scale applications, has secured the rights to key patent technology from MIT. Patents for all liquid metal battery inventions were licensed from MIT.
Instead of using machine learning just to speed up scientific analysis by looking for patterns in data—as typically done—the researchers combined it with knowledge gained from experiments and equations guided by physics to discover and explain a process that shortens the lifetimes of fast-charging lithium-ion batteries.
A team of researchers at MIT led by Professor Yang Shao-Horn have found that gold-carbon (Au/C) and platinum-carbon (Pt/C) catalysts have a strong influence on the charge and discharge voltages of rechargeable lithium-air (Li-O 2 ) batteries, and thus enable a higher efficiency than simple carbon electrodes in these batteries.
Researchers at MIT are developing systems that could allow humans, robots and other autonomous vehicles to collaborate on everything from navigation to trip planning, and eventually pave the way for the operation of personal aircraft and driverless cars.
During charging, Mg is electrochemically extracted from the Mg?Sb During charging, the battery consumes energy; upon discharge, the battery supplies energy. Among their findings were: Cells cycled at 50 mA/cm 2 for a predefined discharge period of 10 h to a cutoff charging voltage limit of 0.85 Credit: ACS, Bradwell et al.
Researchers at MIT led by Drs. The MIT team found that a genetically engineered version of the M13 bacteriophage virus can be used to control the arrangement of the nanotubes on a surface, keeping the tubes separate so they can’t short out the circuits, and keeping the tubes apart so they don’t clump. Click to enlarge.
These include poor cyclability (up to only tens of cycles); reversibility; low energy efficiencies, with charging voltages as high as 4.0–4.5 In their paper, the MIT team studied the oxygen evolution reaction (OER) on the low-index surfaces of lithium peroxide. V and discharge voltages of about 2.5–3.0 V; and low power densities.
WiTricity, the MIT spin-off commercializing strongly coupled magnetic resonance wireless charging technology for EVs as well as consumer devices, industrial, medical and military applications ( earlier post ), has work underway to deliver wireless charging systems capable of delivering 10s of kilowatts for plug-ins, compared to the current 3.3
A team at MIT, led by Carl V. In addition, the nanofiber structure allowed for the clear visualization of the morphological evolution of Li 2 O 2 particles as a function of rate and depth-of-discharge and also of the removal of Li 2 O 2 particles during charging. Source: Mitchell et al. Click to enlarge.
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.
Conventional layered lithium and transition metal cathode material (top) and the new disordered material studied by researchers at MIT (bottom) as seen through a scanning tunneling electron microscope. Inset images show diagrams of the different structures in these materials. (In Image courtesy of the researchers. Click to enlarge.
A team from Lawrence Berkeley National Laboratory and MIT has used high-throughput first-principles calculations to evaluate systematically the performance of spinel-structure compounds as multivalent intercalation cathode materials. Our calculations indicate that the Mn 2 O 4 spinel phase based on Mg and Ca are feasible cathode materials.
In May, researchers at MIT and Stanford University reported the development of new battery technology for the conversion of low-temperature waste heat into electricity in cases where temperature differences are less than 100 ?Celsius. Net energy is generated because the discharge voltage is higher than charge voltage. (b) entropy (T?
Researchers at MIT have improved a proposed liquid battery system that could enable renewable energy sources to compete with conventional power plants. To provide evidence of their high power capability, the cells were discharged and charged at current densities as high as 1,000 milliamperes per square centimeter. Earlier post.).
Toyota Motor Corporation (TMC) will begin verification testing of its newly developed wireless battery charging system for plug-in electric vehicles—such as plug-in hybrids and battery-electric vehicles—in late February in Aichi Prefecture, Japan. Wireless electric vehicle charging system. Charging method.
A Stanford University research team is designing a high-efficiency wireless charging system using magnetic resonance coupling ( earlier post ) to wirelessly transmit large electric currents between metal coils placed several feet apart. feet—sufficient to charge a car moving at highway speeds. Earlier post.).
Now, researchers from MIT, with a colleague from Toyota Motor Europe’s R&D group, have carried out detailed tests that seem to resolve the questions surrounding one promising material for such batteries: lithium iodide (LiI). However, the insulating nature of Li 2 O 2 brings further complications during the charge process.
Public charging stations don't just drive EV adoption; they also increase consumer spending at nearby businesses, a new MIT study found. The study is based on data from over 4,000 charging stations in California and 140,000 businesses, using anonymized credit and debit card transactions to track changes in spending.
The MIT Energy Initiative (MITEI) announced its latest round of seed grants to support early-stage innovative energy projects. A total of more than $1.6 million was awarded to 11 projects, each lasting up to two years.
A theoretical investigation of the effects of elastic coherency on the thermodynamics, kinetics, and morphology of intercalation in single lithium iron phosphate nanoparticles by MIT associate professor Martin Z. At higher current levels, this separation never occurs, the MIT team found. —Troy Farrell.
Toyota Motor Corporation has licensed the intellectual property (IP) of WiTricity, an MIT spin-off commercializing an approach to “mid-range” wireless charging (distances from a centimeter to several meters, earlier post ).
Researchers at MIT have created a new technique that allows the observation of a metal surface during hydrogen penetration—the process that results in embrittlement of the metal. A fruitful approach to overcome this challenge is to couple in situ micro-mechanical testing techniques with in situ hydrogen charging. 2018.10.128.
Total has signed a research agreement with the Massachusetts Institute of Technology (MIT) to develop new stationary batteries that are designed to enable the storage of solar power. This agreement valued at $4 million over five years is part of the MIT Energy Initiative (MITEI), which Total joined as a member in November 2008.
A new study by MIT researchers examines these risks and how they amplify or mitigate each other. In an open-access paper published in Cell Reports Physical Science , the researchers reported that in both locations, delayed home charging nearly eliminated increases in peak demand. Resources Zachary Needell, Wei Wei, Jessika E.
A new study by a team at MIT led by Dr. Yang Shao-Horn and Dr. Carl Thompson sheds more light on the morphological evolution of Li 2 O 2 particles in Lithium-air batteries. Lithium-air (Li?O
Full charge–discharge cycles at constant 197C and 397C current rates without holding the voltage. Researchers at MIT have developed a lithium iron phosphate electrode material that achieves ultra-high discharge rates comparable to those of supercapacitors, while maintaining the high energy density characteristic of lithium-ion batteries.
An international research team from Tsinghua University, MIT and Argonne National Laboratory has discovered a series of novel lithium titanate hydrates that show better electrochemical performances compared to all the Li 2 O–TiO 2 materials reported so far—including those after nanostructuring, doping and/or coating. Click to enlarge.
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