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 ...

Folded or cut, this lithium-sulfur battery keeps going

19-Sep-2024 - Most rechargeable batteries that power portable devices, such as toys, handheld vacuums and e-bikes, use lithium-ion technology. But these batteries can have short lifetimes and may catch fire when damaged. To address stability and safety issues, researchers reporting in ACS Energy Letters have ...

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 ...

Improving lithium-sulfur batteries with metal organic framework-based materials

04-Mar-2024 - Current lithium-ion battery technology does not have the energy density necessary to meet the demands for renewable energy. In theory, lithium-sulfur batteries could be a viable alternative with a higher specific capacity and energy density. However, sulfur has disadvantages that currently limit ...

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. ...

Developing new types of batteries sustainably

16-Jan-2024 - "Conventional lithium-ion batteries are very powerful, but also expensive, as they require metals such as nickel and cobalt in addition to lithium," says chemist Prof Dr Yan Lu. "That's why I'm researching more sustainable alternatives, such as lithium-sulphur batteries and batteries based on ...

Bottleneck identified: researchers discover the cause of long charging times for solid-state batteries

Solid-State Lithium-Sulfur Batteries: Neutrons unveil sluggish charge transport

11-Apr-2023 - Solid-state Lithium-Sulfur batteries offer the potential for much higher energy densities and increased safety, compared to conventional lithium-ion batteries. However, the performance of solid-state batteries is currently lacking, with slow charging and discharging being one of the primary ...

New synthesis method enhances the electrochemical performance of lithium sulfur batteries

14-Dec-2022 - The high energy and low cost features of lithium sulfur batteries (LSBs) have seen them become a promising energy storage technology for energy-intensive applications, such asportable devices and electric vehicles. However, their commercial applicability is hampered by hysteretic electrode ...

These energy-packed batteries work well in extreme cold and heat

Such batteries could allow electric vehicles in cold climates to travel farther on a single charge

08-Jul-2022 - Engineers at the University of California San Diego have developed lithium-ion batteries that perform well at freezing cold and scorching hot temperatures, while packing a lot of energy. The researchers accomplished this feat by developing an electrolyte that is not only versatile and robust ...

Newly proposed strategy to significantly improve lithium–sulfur battery performance

Researchers developed a sulfur oxidation-reduction (redox) mediator to improve lithium–sulfur battery’s sluggish reaction kinetics which has limited the battery’s energy density

24-Jun-2022 - Lithium-sulfur batteries hold strong promise as next-generation energy storage devices because of their ultrahigh theoretical energy density. However, the actual energy density of lithium–sulfur batteries is far from the theoretical value because of the cathode’s severe limitations caused by the ...