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 ...

When there’s extra wind or solar power on the grid in the Netherlands, some of it now goes to a new type of battery made from just three components: iron, air, and water. Called an iron-air battery, ...

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 ...