Electric vehicles are supposed to be the low‑maintenance workhorses of the energy transition, yet a growing trail of recalls, ...

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 ...

This lithium-iron sulfide battery pouch cell can be folded (top image) or cut (bottom image) and still provide power. Most rechargeable batteries that power portable devices, such as toys, handheld ...