Researchers have developed a groundbreaking hydrogel-based iron-air battery that can be assembled from common warm paste, giving first responders a potentially life-saving new power option. The new ...

Mateo Jaramillo was giving me his spiel about his battery company when he mentioned, in passing, that the battery was “not super efficient.” Oh. So that’s bad, right? Not in this case, said Jaramillo, ...

Iron-air batteries use a reversible rusting process to store and release electricity using abundant materials like iron and water. These “100-hour batteries” could solve renewable energy’s biggest ...

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 ...

As low-cost iron-air batteries enter commercial production, they promise to make utility-scale wind and solar power even more competitive with fossil-derived electricity. Low-cost iron-air cells, ...