What's that powdery, crystallized stuff inside your battery case? Classic battery corrosion. While it can be a frustrating and potentially dangerous matter to resolve, it isn't usually hard to clean ...

An iron-air battery that stores and releases energy through a reversible rusting process has become the first of its kind to connect with a public electricity grid. On 30 July, the Dutch start-up Ore ...

Lithium-ion batteries power everything from smartphones to electric cars, but they rely on materials that raise environmental and ethical concerns. Metals like nickel and cobalt are costly to mine, ...