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New Breakthrough in Energy Storage – MIT Engineers Create Supercapacitor out of Ancient Materials (scitechdaily.com)

submitted 11 months ago by [email protected] to c/[email protected]

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New Breakthrough in Energy Storage – MIT Engineers Create Supercapacitor out of Ancient Materials::Constructed from cement, carbon black, and water, the device holds the potential to offer affordable and scalable energy storage for renewable energy sources. Two of humanity's most ubiquitous historical materials, cement and carbon black (which resembles very fine charcoal), may form the basis for

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[–] [email protected] 15 points 11 months ago (1 children)

At a claimed energy density of 0.22kWh/m^3 I think their projection of storing enough for an entire household is overly optimistic.

My whole foundation for a 2 story 200m^2 house is about half the 45m^3 they claim is needed for a household.

Sounds promising but it won’t be replacing batteries any time soon.

[–] [email protected] 3 points 11 months ago* (last edited 11 months ago)

Still... Might be nice to reduce your electric bill/have a bridge to keep your PC/lights on when there's a short interruption in power delivery.

Those Texans would probably love the hell out of this.