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Sodium is seen by some as a promising alternative, but the sodium-sulfur batteries currently in use run at temperatures above 300 °C, making them less energy efficient and safe than batteries that run at ambient temperatures. Sodium-ion batteries have been discussed in the literature. for some time. —Cao et al.
Researchers at the University of Texas, including Dr. John Goodenough, are proposing a strategy for high-capacity next-generation alkali (lithium or sodium)-ion batteries using water-soluble redox couples as the cathode. The present sodium-sulfur battery operates above 300 °C. Example of a lithium-water rechargeable battery.
Researchers led by a team from Griffith University in Australia have developed a multifunctional polymer binder that not only maintains the outstanding binding capabilities of sodium alginate but also enhances the mechanical integrity and lithium-ion diffusion coefficient in a LiFePO 4 (LFP) electrode during the operation of the batteries.
In a paper in Nature Materials , the Penn State team reports a molecular-level SEI design using a reactive polymer composite, which effectively suppresses electrolyte consumption in the formation and maintenance of the SEI. In this project, we used a polymer composite to create a much better SEI. V Li|LiNi 0.5 —Thomas E.
Engineers at the McKelvey School of Engineering at Washington University in St. V compared to state-of-the-art polymer electrolyte membrane fuel cells (PEMFCs) that typically operate at 0.75 Wittcoff Distinguished University Professor and corresponding author. DBFCs fulfilling these criteria provide a 2.4 and Raymond H.
The results are the first under Talga’s UK Government funded “Safevolt” project—a Talga-led program run in conjunction with consortia partners, Johnson Matthey, the University of Cambridge and manufacturing research group, TWI.
The team, led by scientists from Harvard University and Lawrence Livermore National Laboratory, employed a microfluidic assembly technique to produce microcapsules that contain liquid sorbents encased in highly permeable polymer shells. The polymer microcapsules are then heated to release absorbed CO 2 for subsequent collection.
Researchers at Xi’an Jiaotong University in China have developed a new direct borohydride fuel cell (DBFC) that shows a peak power density of 663 mW·cm -2 at 65 °C (149 °F)—an increase in power density by a factor of 1.7 A direct borohydride fuel cell with a polymer fiber membrane and non-noble metal catalysts.
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.
The University of Michigan (U-M) and eight partner institutions will explore the use of ceramic ion conductors as replacements for the traditional liquid or polymer electrolytes in common lithium-ion batteries for electric vehicles and in flow cells for storing renewable energy in the grid.
By making use of a previously undesired side effect in oil recovery, researchers at Tokyo University of Agriculture and Technology (TUAT) have developed a method that yields up to 20% more heavy oil than traditional methods. This method is surfactant- and polymer-free. A paper on the work is published in the ACS journal Energy & Fuels.
Scientists at Stanford University have developed electrochemical cells that convert carbon monoxide (CO) derived from CO 2 into commercially viable compounds more effectively and efficiently than existing technologies. —senior author Matthew Kanan, an associate professor of chemistry at Stanford University.
Barsoum and Gogotsi’s report looks at intercalation of MXenes with a variety of ions, including lithium, sodium, magnesium, potassium, ammonium and aluminum ions. The researchers also reported on using MXene “paper” electrodes, instead of conventional rolled powder electrodes with a polymer binder. —Yury Gogotsi.
A team at the University of Maryland has demonstrated that a material consisting of a thin tin (Sn) film deposited on a hierarchical conductive wood fiber substrate is an effective anode for a sodium-ion (Na-ion) battery, and addresses some of the limitations of other Na-ion anodes such as capacity fade due to pulverization.
Researchers at the University of Texas at Austin, including Prof. With this glass, a rechargeable battery with a metallic lithium or sodium anode and an insertion-compound as cathode may require a polymer or liquid catholyte in contact with the cathode. eV, which promises to offer acceptable operation at lower temperatures.
Researchers at the Dalian Institute of Chemical Physics in China and the National University of Singapore have improved the performance of ammonia borane (AB) as a material for hydrogen storage—potentially for on-board storage in a vehicle—by developing a new method for doping AB with nanosized Co- and Ni-based catalysts. Credit: ACS.
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? (b) Capacity retention of sulfur–TiO 2 yolk–shell nanostructures cycled at 0.5 Click to enlarge.
In partnership with a consortium of local research institutions, this project deploy smart grid systems at partners’ university campus properties and technology transfer laboratories. Develop and deploy a 25kWh prototype battery system based on Seeo’s proprietary nanostructured polymer electrolytes. 16,080,554. Seeo, Inc (CA).
Video: EV Guru: Sodium-Ion Batteries are Coming Sooner Than You think! The mining industry cannot keep up with the demand, so the alternative is to manufacture batteries based on sodium chemistry. The big issue with sodium-ion batteries is that they can store only about two-thirds of the energy of Li-ion batteries of equivalent size.
Researchers at North Carolina State University are developing an ozone-based pre-treatment technique (ozonolysis) to release sugars from the energy grass miscanthus for production into renewable fuels or chemicals with minimal generation of chemical waste streams and degradation of the carbohydrate components.
Eagle Picher, in partnership with the Pacific Northwest National Laboratory, will develop a new generation of high energy, low cost planar liquid sodium beta batteries for grid scale electrical power storage applications. Arizona State University, in partnership with Fluidic Energy Inc., DOE grant: $7,200,000). DOE grant:$5,349,932).
A team at the Ohio State University has developed a membrane that regulates bi-directional ion transport across it as a function of its redox state and that could be used as a programmable smart membrane separator in future supercapacitors and redox flow batteries. Travis Herya and Sundaresan (2016). Click to enlarge.
But we do actually need that energy to be generated,” says Alper Bozkurt, who with Veena Misra codirects the Center for Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST) at North Carolina State University. The group fabricated their device using CFRP, sodium potassium niobate (KNN) nanoparticles, and epoxy resin.
Researchers at the Skoltech Center for Electrochemical Energy Storage (CEES), a partnership between the MIT Materials Processing Center and Lomonosov Moscow State University, are focusing on the development of higher capacity batteries. Rechargeable metal-air batteries. Reversible fuel/electrolysis cells. —Harry Tuller.
The electric car features three different battery options, two different Lithium-based (LI) systems – A123Systems and Enerdel as well as a Sodium-Nickel battery Zebra (Mes-Dea). The modular, front-wheel-drive battery electric car has dent-resistant polymer-plastic body panels mounted on an aluminum frame and a steel chassis.
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