Solid-state batteries have significant advantages over lithium-ion batteries. Here's what stands in the way of mass distribution.

Tesla has started building Model Y battery packs with its in-house 4680 cells again, more than two years after ...

Power sources used in devices found in or around biological tissue must be flexible and nontoxic, while still powerful enough ...

The company, which was led by ex-Tesla CTO JB Straubel, says it just closed its series E funding, including participation from Google and other investors. The money will be put toward building out ...

Google's involvement boosts the startup's latest funding round to $425 million. The tech giant joins Nvidia as a backer.

An innovative approach to battery materials could bring sodium-ion energy density and charging speeds far closer to those of ...