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MIT scientists propose power storage using cement blocks (www.datacenterdynamics.com)
submitted 3 years ago by to c/technology@lemmy.world
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Plan to commercialize supercapacitors in the next few years

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[–] 1 point 3 years ago (1 child)

Tesla Powerwall is 13.5, but that's mostly intended to store excess solar energy, not as a full backup power source.

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  • [–] 1 point 3 years ago

    I have two power walls. I wish I had 4-8.

    4 would keep me powered most every day and night, with just my panels (8kwh max supply). If I had in the range of 8 power walls, I could completely disconnect from grid supply and I would effectively never run have to concern myself in everything but the most extreme of weather circumstances. My local supplier has basically garbage policies around me giving back to the grid, and I have to pay a ridiculous connection fee.

    I've got a friend who has convinced me to let him take apart my gen 1 leaf for the battery, which should give me an additional 24 ish kwh storage. I produce plenty of electricity during the day. I just need places to put it.

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