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Reversible rusting

The chemical process underlying Form Energy’s iron-air batteries, where iron oxidizes to rust during discharge (releasing electrons) and reverts to iron during charging. This mechanism enables long-duration energy storage without relying on scarce materials.

Catégorie : Tech

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Form Energy and its iron batteries

Form Energy is building iron-based batteries that can store energy for multiple days. The company is ramping up supply at its factory and signing deals for commercial projects. New solar and wind installations produce electricity more affordably than fossil fuels in most places, but their output varies based on season, time of day, and weather.…

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