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 startup Ore Energy ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Clean-tech startup company Form Energy announced last week an additional $405 million in financing, allowing it to expand ...

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, ...

Add Yahoo as a preferred source to see more of our stories on Google. California is preparing to test an unconventional battery system that could provide clean power for days instead of hours, a key ...