article thumbnail

Researchers figure out how to get fresh lithium into batteries

Ars Technica

As the owner of a 3-year-old laptop, I feel the finite lifespan of lithium batteries acutely. While that sounds like science fiction, a team of Chinese researchers has identified a chemical that can deliver fresh lithium to well-used batteries, extending their life.

Lithium 138
article thumbnail

Lithium-sulfur battery advancements promise faster charging and longer life

TechSpot

In the first study, a team led by Professor Jong-sung Yu at the DGIST Department of Energy Science and Engineering developed a nitrogen-doped porous carbon material to enhance the charging speed of lithium-sulfur batteries. This material, synthesized using a magnesium-assisted thermal reduction method, acts as a sulfur host in the.

Lithium 122
professionals

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Scientists propose method to extend lithium-ion battery life while lowering costs

TechSpot

Producing lithium-ion batteries for electric vehicles and many other devices is complex and time-consuming. Manufacturers are trying to find quicker methods without compromising quality, but the nature of the process severely complicates efforts to study the relationship between various manufacturing approaches and performance.

Lithium 96
article thumbnail

Researchers develop new cathode coating that extends lithium-ion battery life and boosts safety

TechSpot

As the Argonne National Laboratory highlights, lithium batteries have utilized cathode coatings for more than 15 years albeit in a limited capacity. Existing implementations only blanket a small part of the outside of the cathode particle and aren’t effective when it operates at a high temperature or high voltage.

Lithium 105
article thumbnail

And the winner of Startup Battlefield at Disrupt SF 2022 is…Minerva Lithium

TechCrunch

After much deliberation, the TechCrunch editors pored over the judges’ notes and narrowed the list down to five finalists : Advanced Ionics , AppMap , Intropic Materials , Minerva Lithium and Swap Robotics. Winner: Minerva Lithium. Read our coverage on Minerva Lithium here. One startup emerged victorious. Without further ado!

Lithium 104
article thumbnail

Samsung Galaxy Ring teardown sheds light on disposable tech not meant to last over two years

TechSpot

As iFixit highlights in its latest teardown, the Galaxy Ring – like all other smart rings – is hamstrung by the fact that its lithium battery can't be replaced without destroying the device. In essence, Samsung's health tracking ring has a shelf life and once the battery is worn out, Read Entire Article

Lithium 124
article thumbnail

How to tell if your smartphone battery needs to be replaced

Digital Trends

Those tiny lithium-ion powerhouses in your smartphone have a limited life span. Here's how to determine when to replace your smartphone battery.

Lithium 111