Plan to commercialize supercapacitors in the next few years

  • Rakust@kbin.social
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    1 year ago

    One of the big catches is how Greenhouse gas intensive concrete production is

    • Spedwell@lemmy.world
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      1 year ago

      I think the idea here is to bake it into construction that would happen anyway. If you just need energy storage, keep using batteries. But if you’re pouring a foundation already, why not also turn that foundation into a battery?

    • Eager Eagle@lemmy.world
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      1 year ago

      concrete seems to be used here for its structural properties, just like we do it today. Their solution doesn’t seem to require it:

      If more powerful capacitors are required, they can be made with a larger concentration of carbon black, at the expense of some structural strength. This could be useful for applications where the concrete is not playing a structural role or where the full strength potential of concrete is not required. For applications such as a foundation, or structural elements of the base of a wind turbine, the “sweet spot” is around 10 percent carbon black in the mix, the team says.

        • deegeese@sopuli.xyz
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          1 year ago

          If you’re releasing CO2 you’re losing carbon.

          If you make it with electricity it’s effectively a carbon sink.

        • Eager Eagle@lemmy.world
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          1 year ago

          If it’s just a byproduct of other industries, like existing coal power plants, it might be seen as carbon neutral. And lithium batteries also use it.

          • zout@kbin.social
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            1 year ago

            Carbon black is produced bij burning a hydrocarbon with a limited amount of air. It’s not a byproduct, but uses organic materials. This can be of renewable sources like vegetable oil, but it is made a lot from the heavy fractions in fossil oil.