Rust is often associated with decay and disrepair, but scientists at Caltech and Northwestern University are looking at rust differently: as a means of generating electricity. Rust, after all, is ...

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 ...

Researchers have shown that iron oxide layers can convert kinetic energy of saltwater into electrical power. There are many ways to generate electricity -- batteries ...