It’s no exaggeration to say that the development of cheap rechargeable lithium-ion batteries has changed the world. Enabling everything from smartphones to electric cars, their ability to pack an ...

When you need to keep your electronics going but want to be more environmentally conscientious, finding batteries that meet both your needs can feel challenging. However, thanks to the team at Linogy, ...

Donut Lab, a Finnish solid-state battery maker, claims its cells retained 97.7% of their charge after sitting idle for 10 days, a figure that, if independently confirmed, would represent a sharp ...

The Donut Lab solid-state battery was heated to the boiling point of water. Here’s what happened next.

You might be reading this on a device that has one – lithium-ion batteries are in just about every new device we use today. Because of that, and with many of those tools and toys likely on the ...

Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.

Donut Lab, a California-based startup developing solid-state battery technology, has drawn intense attention and sharp criticism over claims that its donut-shaped cells can outperform conventional ...