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MIT scientists propose power storage using cement blocks (www.datacenterdynamics.com)

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

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Plan to commercialize supercapacitors in the next few years

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

A single 3.5-meter block could hold 10kWh of energy, and power a house for a day

That's... not a lot of energy; can use it up doing like 2 loads of laundry if you have an electric dryer, or running a central A/C for a few hours. (let alone charging an EV, where you can burn through it in a bit over an hour to add maybe 15% or so)

[–] [email protected] 1 points 1 year ago (3 children)

I'd put my estimates on the size battery you need for a residential structure at around 50kwh.

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