this post was submitted on 01 Aug 2025
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In a world first, in the Netherlands an Iron-Air battery has been connected to the grid for the first time. It stores 100 hours of electricity by rusting & de-rusting. (futurology.today)
submitted 1 day ago by Lugh@futurology.today to c/futurology@futurology.today
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Form Energy in the US is also developing this technology, though they haven't deployed to the grid yet.

As electricity grids get nearer to being 100% renewables, they need to account for <5% of times both solar & wind don't meet peak electricity demand. Lithium-Ion batteries, which only store electricity for a few hours, aren't much use here, but Iron-Air batteries will be.

They can store days worth of electricity, and not only that, they are stable and non-flammable. The only chemical reaction taking place is iron oxidizing (rusting).

Ore Energy connects world’s first grid-connected iron-air battery in Delft

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[–] cron@feddit.org 14 points 1 day ago

Seems like a copy-paste mess:

The company plans to scale to 50 GWh/year by 2030. The company has set an ambitious goal of 50 GWh/year by 2030. To get to this, Yilmaz shared, “First, we need to scale up production rapidly.

Oh right, to scale up you need to scale up first.