Research breakthrough could be key to low-cost, long-lasting renewable batteries for electric vehicles

A cost-effective solution that delivers more energy

28-Oct-2024 - Lithium-sulfur batteries have never lived up to their potential as the next generation of renewable batteries for electric vehicles and other devices. But ​SMU mechanical engineerDonghai Wang and his research team have found a way to make these Li-S batteries last longer – with higher energy ...

New battery technology could boost renewable energy storage

Columbia Engineers develop new powerful battery "fuel" -- an electrolyte that not only lasts longer but is also cheaper to produce

24-Sep-2024 - Renewable energy sources like wind and solar are critical to sustaining our planet, but they come with a big challenge: they don't always generate power when it's needed. To make the most of them, we need efficient and affordable ways to store the energy they produce, so we have power even when ...

Healable cathode could unlock potential of solid-state lithium-sulfur batteries

These batteries could double the range of electric vehicles without increasing the battery pack’s weight

11-Mar-2024 - Researchers have moved one step closer to making solid-state batteries from lithium and sulfur a practical reality. A team led by engineers at the University of California San Diego developed a new cathode material for solid-state lithium-sulfur batteries that is electrically conductive and ...

Chemists decipher reaction process that could improve lithium-sulfur batteries

A combination of battery technology and catalysis opens new avenues for cheap, high-capacity batteries

12-Feb-2024 - Lithium-sulfur batteries can potentially store five to 10 times more energy than current state-of-the-art lithium-ion batteries at much lower cost. Current lithium-ion batteries use cobalt oxide as the cathode, an expensive mineral mined in ways that harm people and the environment. ...

Coupling experiments to theory to build a better battery

22-Jan-2018 - Lithium-sulfur batteries are promising candidates for replacing common lithium-ion batteries in electric vehicles since they are cheaper, weigh less, and can store nearly double the energy for the same mass. However, lithium-sulfur batteries become unstable over time, and their electrodes ...

Study finds declining sulfur levels

11-May-2016 - Air pollution legislation to control fossil fuel emissions and the associated acid rain has worked - perhaps leading to the need for sulfur fertilizers for crop production. A University of Illinois study drawing from over 20 years of data shows that sulfur levels in Midwest watersheds and rivers ...

Toward making lithium-sulfur batteries a commercial reality for a bigger energy punch

19-Sep-2014 - A fevered search for the next great high-energy, rechargeable battery technology is on. Scientists are now reporting they have overcome key obstacles toward making lithium-sulfur (Li-S) batteries, which have the potential to leave today's lithium-ion technology in the dust. Their study appears in ...

Self-assembled superlattices create molecular machines with 'hinges' and 'gears'

08-Apr-2014 - A combined computational and experimental study of self-assembled silver-based structures known as superlattices has revealed an unusual and unexpected behavior: arrays of gear-like molecular-scale machines that rotate in unison when pressure is applied to them. Computational and experimental ...

Next generation of 2D materials

07-Apr-2014 - As the properties and applications of graphene continue to be explored in laboratories all over the world, a growing number of researchers are looking beyond the one-atom-thick layer of carbon for alternative materials that exhibit similarly captivating properties. One of these materials is ...

Battery development may extend range of electric cars

New anode quadruples life of lithium-sulfur battery, could also help store renewable energy more cheaply

13-Jan-2014 - It's known that electric vehicles could travel longer distances before needing to charge and more renewable energy could be saved for a rainy day if lithium-sulfur batteries can just overcome a few technical hurdles. Now, a novel design for a critical part of the battery has been shown to ...