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The other circumvents the difficulties by storing magnesium cation in its complex forms. This new class of redox chemistry bypasses the need of solid-state intercalation while solely storing magnesium, instead of its complex forms, creating a new paradigm in magnesium battery electrode design. Neither approach is practical.
Researchers at the University of Illinois at Urbana-Champaign have demonstrated a high-power and high-energy density microbattery constructed from interdigitated three-dimensional (3D) bicontinuous nanoporous electrodes. The performance of power sources is typically measured by power and energy stored per unit mass or unit volume.
However, the biomass is difficult to collect and store, and the energetic density of it is low, which leads to high transportation and store costs. Energy Fuels , Article ASAP doi: 10.1021/ef1010995. Hydrogen can be produced by direct gasification of biomass into syngas.
Researchers at the University of Exeter (UK) have developed a novel p-type LaFeO 3 photoelectrode using an inexpensive and scalable spray pyrolysis method. A promising way of storing solar energy is via chemical fuels, in particular hydrogen as it is considered as a future energy carrier. —Pawar and Tahir. Govinder S.
This sponsored article is brought to you by COMSOL. In a region known for long, dark winter nights, Polar Night Energy is building a system in the city of Tampere that can heat buildings with stored solar energy — all day, all night, and all winter long. This means that storing and distributing energy is as important as its generation.
Flow diagram of the battery system, defined by the functional unit of 50 MJ stored and delivered to the powertrain. Researchers from the Norwegian University of Science and Technology (NTNU) have performed life cycle assessments (LCA) of three batteries for plug-in hybrid (PHEV) and full performance battery electric (BEV) vehicles.
Researchers from the University of Turku in Finland, Imperial College London and University College London have devised a synthetic metabolic pathway for producing renewable propane from engineered E. coli bacteria. Pauli Kallio, András Pásztor, Kati Thiel, M. Kalim Akhtar & Patrik R. Bio-hydrocarbons Biotech Fuels Synthetic Biology'
Researchers at the University of Texas at Austin’s Cockrell School of Engineering have rewired the native metabolism of the yeast Yarrowia lipolytica for superior production of lipids (lipogenesis). Traditional methods to increase lipids yield rely on nitrogen starvation to trick yeast cells into storing fat and materials.
As previous articles in this series have noted, JWST is parked at Lagrange point L2. It’s an ideal location for JWST to observe the universe without obstruction and with minimal orbital adjustments. It’s a point of gravitational equilibrium located about 1.5 The other is the 2.27
He is a professor of power systems engineering in the Fulton program at Arizona State University , in Tempe. He was part of an IEEE task force that in 2020 issued a report that described how equipment used for storing energy, transferring power over long distances, and integrating renewable energy could impact power system stability.
He also calculated that the system could result in a cost of 2 converted and stored as Ca(HCO 3 ) 2(aq). Article ASAP doi: 10.1021/es102671x. After full equilibration with air, he found that up to 85% of the captured carbon was retained in solution—i.e., it did not degas or precipitate. —Greg Rau.
The work was first conceived by Yan Yao, associate professor of electrical and computer engineering at the University of Houston and postdoctoral fellow Hyun Deog Yoo in 2014; the project spanned several years and involved scientists from three universities and three national laboratories, working both experimentally and theoretically.
materials that get converted into entirely new products when they react with lithium), can store more energy than today’s electrode materials because they can accommodate more lithium ions. —co-corresponding author Zhongwei Chen, a professor at the University of Waterloo, Canada.
Researchers at Colorado State University have shown that under relatively mild conditions (?140 The majority (60-90 wt %) of plant biomass is the biopolymer carbohydrates stored in the form of cellulose and hemicelluloses. Article Yuetao Zhang, Hongbo Du, Xianghong Qian and Eugene Y.-X. Zhang et al.
The steam reforming of oxygenate fuels produced via biomass fermentation, fast pyrolysis, and hydrolysis is a feasible renewable route for hydrogen production, according to a new study by a team from the South China University of Technology (Guangzhou, China) published in the ACS journal Energy & Fuels. Oxygenate fuels, Li et al.
A research team led by the National University of Singapore (NUS) has developed an economical and industrially viable strategy to produce graphene. The resulting graphene slurry be easily separated into monolayers when required or stored away for months.
Now, researchers from the University of Illinois at Urbana-Champaign and UC Berkeley have engineered yeast to convert cellulosic sugars and toxic levels of acetate together into ethanol under anaerobic conditions. The buildup of acetic acid also killed off much of the yeast. Click to enlarge. But it’s not because of one limiting step.
A team at the University of Science and Technology of China (Hefei) has developed hollow porous SiO 2 (silicon dioxide, or silica—e.g., As an alternative, silica (SiO 2 ) has been considered to be the anode material of LIBs because of the analogous advantage of storing a large quantity of lithium and low discharge potentials.
The research, published in the journal Joule , builds on innovations first reported in Science in 2017 by the same research group at the University of California San Diego and the university spinout South 8 Technologies. The porosity in the presence of conventional electrolytes jumps to 16.8%. 1721646).
Researchers at Rice University have used first principles calculations to show that a class of material known as metallacarboranes, used in MOFs (metal organic frameworks), could store hydrogen at or better than benchmarks set by the United States Department of Energy (DOE) Hydrogen Program for 2015. —Boris Yakobson. Abhishek K.
For her, however, the most important outcome was the influence it had on the development of modern programming languages, making writing code more accessible to everyone, according to a Penn Engineering Today article. The dedication of the A-0 compiler as an IEEE Milestone was held in Philadelphia on 7 May at the University of Pennsylvania.
Supernova explosions, the catastrophic self-destruction of certain types of worn-out stars, are intimately tied to life on Earth because they are the birthplaces of heavy elements across the universe. Sadly, my grandfather is not here to see our article completed. I told him I would write it up if he would be my coauthorand he is.
Researchers at the University of California, Riverside’s Bourns College of Engineering have used waste glass bottles and a low-cost chemical process to fabricate nanosilicon anodes for high-performance lithium-ion batteries. An open access paper describing the research was published in the Nature journal Scientific Reports.
Researchers at Stanford University and SLAC led by Stanford associate professor Yi Cui have used a sulfur–TiO 2 yolk–shell design for a cathode material for a lithium-sulfur battery that achieved an initial specific capacity of 1,030? The sulfur cathode stored up to five times more energy per sulfur weight than today’s commercial materials.
The extraction of bitumen from mined oils sands produces enormous volumes of tailings—a slurry of slightly alkaline water, sand, silt, clay, and residual hydrocarbons—that are stored in settling basins; the current inventory is about 840 million m 3. Environmental Science & Technology Article ASAP doi: 10.1021/es200649.
A team at Stanford University is proposing using solid oxide fuel cells as the basis for a method for electricity production from oil shale with in situ carbon capture (EPICC) as a means to provide transportation services from oil shale with greatly reduced CO 2 emissions. Energy Fuels , Article ASAP doi: 10.1021/ef101714x.
Researchers at the University of Alberta are developing , and, via their spin-out AdvEn Solutions working to commercialize, a new high power- and -energy density battery system: lithium-carbon-fluorine (Li-C-F). Ragone plot, comparing Li-CNT-F batteries with other batteries in terms of weight of cathode materials. Click to enlarge.
Researchers at Tokyo Institute of Technology, University of Tsukuba, and colleagues in Japan report a promising hydrogen carrier in the form of hydrogen boride nanosheets. Innovative nanosheets made from equal parts of hydrogen and boron have a greater capacity to store and release hydrogen compared with conventional metal-based materials.
New research by Lawrence Livermore National Laboratory (LLNL), Carnegie Mellon University, SRI International and the University of Colorado at Boulder shows that drone-based delivery could reduce greenhouse gas emissions and energy use in the transportation sector. An open-access paper on the research appears in Nature Communications.
Researchers from Soochow University in China report that the newly found B 40 —the first experimentally observed all-boron fullerene—when coated with 6 titanium atoms (Ti 6 B 40 ) can store up to 34 hydrogen molecules, corresponding to a maximum gravimetric density of 8.7 wt%.
A team of scientists from the US Department of Energy’s (DOE) Brookhaven National Laboratory, the University of Pennsylvania, and the University of Maryland, College Park, has developed an electron microscopy technique to visualize—in real time and at high resolution—lithiation pathways in electrode materials.
Many of this year's top articles grappled with the limits of deep learning (today's dominant strand of AI) and spotlighted researchers seeking new paths. Here are the 10 most popular AI articles that Spectrum published in 2021, ranked by the amount of time people spent reading them. Their article isn't a total downer, though.
BASF research scientists have developed a method for solvent-free industrial-scale manufacture of metal organic frameworks (MOFs)— highly crystalline structures with nanometer-sized pores that allow them to store hydrogen and other high-energy gases. Yaghi (then at University of Michigan, now UCLA). Earlier post.) Earlier post.)
Researchers at The Ohio State University have developed a novel strategy to improve the efficiency and performance of non-aqueous lithium-oxygen (Li-air) batteries. The state of the art is to use a solar panel to capture the light, and then use a cheap battery to store the energy. Their hybrid design uses only three. —YiYing Wu.
This is a sponsored article brought to you by Amazon. The cutting edge of robotics and artificial intelligence (AI) doesnt occur just at NASA, or one of the top university labs, but instead is increasingly being developed in the warehouses of the e-commerce company Amazon.
Although she enjoyed coding, she decided to pursue a degree in biology at Tsinghua University , in Beijing. She graduated in 2011 with a bachelor’s degree, then went to the United States to pursue a doctorate at the University of Southern California , in Los Angeles. www.youtube.com. IEEE MEMBERSHIP.
A team of researchers at the University of Southern California has developed a robust, reusable iridium catalyst that enables hydrogen gas release from neat formic acid. Williams (2016) “A prolific catalyst for dehydrogenation of neat formic acid” Nature Communications 7, Article number: 11308 doi: 10.1038/ncomms11308. Lo & Travis J.
These hydrocarbons are produced inside the cells of the colony, seen as intracellular oil bodies and secreted into the colony extracellular matrix where the majority of the hydrocarbons are stored. Most importantly, catalytic hydrocracking of hydrocarbons from this alga results in petroleum-equivalent fuels of gasoline, kerosene and diesel.
This article is part of our exclusive IEEE Journal Watch series in partnership with IEEE Xplore. The research hinted at other logistical challenges, too, including transporting and storing hydrogen in an efficient way. The first challenge is hydrogen production. Let’s just say you want to refuel the airplane in an hour or two, right?
Whereas traditional “bits” have a value of either 0 or 1, qubits are encoded with values of both 0 and 1, or any combination thereof, allowing for a vast number of possibilities for storing data. For instance, such noise may cause a qubit to rotate 21 degrees instead of the desired 20, greatly affecting a calculation’s outcome.
After debuting the first solar air battery—a photo-assisted charging Li-O 2 battery—last fall ( earlier post ), researchers at The Ohio State University led by Professor Yiying Wu have now developed a new system combining a solar cell and a battery into a single device. Diagram credit: ACS, Yu et al. Click to enlarge.
Researchers at Northwestern University are proposing, and have begun experimental validation of, a renewable liquid-fuel energy storage cycle based on the co-electrolysis of H 2 O and CO 2 using a solid oxide electrolysis cell (SOEC) powered by renewable electricity to produce syngas. Energy Fuels , Article ASAP doi: 10.1021/ef900111f.
Researchers at the Norwegian University of Science and Technology (NTNU) are proposing a new process for producing synfuel from biomass using concentrating solar energy as its main energy source. Article ASAP doi: 10.1021/es802853g. Schema of synfuel synthesis through solar-driven biomass gasification. From Hertwich et al.
Researchers from the University of Waterloo and General Motors Global Research and Development Center have developed a new electrode material for Li-ion batteries that leverages the strong covalent interactions that occur between silicon, sulfur, defects and nitrogen. —Hassan et al.
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