Automakers are racing to turn science‑project batteries and concept dashboards into real products, but the most eye‑catching claims still sit in the lab or on the show floor. I look at three ...

The Li-ion batteries that power everything from smartphones to electric cars are usually packed in rigid, sealed enclosures that prevent stresses from damaging their components and keep air from ...

Lithium-ion batteries, used in consumer devices and electric vehicles, typically last hours or days between charges. However, with repeated use, they degrade and need to be charged more frequently.