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Cement Supercapacitors Could Turn the Concrete Around Us into Massive Energy Storage Systems
By Andy CorbleyOct 7, 2025
"Scientists from MIT have created a conductive “nanonetwork” inside a unique concrete mixture that could enable everyday structures like walls, sidewalks, and bridges to store and release electrical energy.
It’s perhaps the most ubiquitous man-made material on Earth by weight, but every square foot of it could, with the addition of some extra materials, power the world that it has grown to cover.
Known as e c-cubed (ec3) the electron-conductive carbon concrete is made by adding an ultra-fine paracrystalline form of carbon known as carbon black, with electrolytes and carbon nanoscales.
Not a new technology, MIT reported in 2023 that 45 cubic meters of ec3, roughly the amount of concrete used in a typical basement, could power the whole home, but advancements in materials sciences and manufacturing processes has improved the efficiency by orders of magnitude.
Now, just 5 cubic meters can do the job thanks to an improved electrolyte."
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Cement Supercapacitors Could Turn the Concrete Around Us into Massive Energy Storage Systems
Every square foot of it could, with the addition of some extra materials, power the world that it has grown to cover.
www.goodnewsnetwork.org
