Donut Lab’s fast-charge demo beat many e-motorcycles, but 400 Wh/kg and 100,000-cycle claims remain unverified after the fourth test.

The lithium-ion battery pack sitting under millions of electric vehicles on the road right now may be approaching a shelf life that has nothing to do with chemistry and everything to do with ...

Imagine an electric vehicle that charges in minutes, travels over 1,200 kilometers on a single charge, and eliminates the risk of battery fires altogether. This isn’t science fiction, it’s the promise ...

Some solid materials can cool down or heat up when pressure is applied or released. This behavior enables cooling and heating technologies that do not rely on climate-damaging refrigerant gases. In ...

Solid-state cooling has long promised quieter, more compact refrigeration without the climate burden of traditional gases, but the materials have struggled to deliver enough punch in a small footprint ...