Built on the bones of a shuttered mill, the battery will store 8,500 megawatt-hours of energy, enough to power about 57,000 ...

"This technology ... with the addition of electric current, turning rust back to iron and releasing oxygen. When the energy is needed, the battery takes in oxygen, rusting the iron and releasing ...

Pueblo's soon-to-be retired Comanche power plant site is targeted to host an iron-air battery storage system that would ...

Scottish scientists have developed a liquid battery which could ... revolutionise travel. The technology uses a metal oxide - described by researchers as an "exotic rust" - that can be charged ...