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MIT engineers create an energy-storing supercapacitor from cement, water, and carbon black (news.mit.edu)

submitted 1 year ago by [email protected] to c/[email protected]

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MIT engineers created a carbon-cement supercapacitor that can store large amounts of energy. Made of just cement, water, and carbon black, the device could form the basis for inexpensive systems that store intermittently renewable energy, such as solar or wind energy.

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[–] [email protected] 1 points 1 year ago (1 children)

Higher energy density is going to be needed for sure, but as a brutalism evangelist, I'm gonna take this chance to say we could just make the whole building out of concrete so it's all one big battery.

[–] [email protected] 3 points 1 year ago

As a solarpunk evangelist, put these at the bottom of canals that are covered with solar panels, so they can store their own energy.