this post was submitted on 04 Aug 2023
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This is really exciting if it works out and gets commercialised widely! One thing I’m not sure I understand is whether this requires entirely new cement, or if somehow the carbon black and capacitors can be mixed into existing cement structures (especially roads)? As mentioned in the article, cement is a high emission product and we already have so much of it in the world.
It would require adding carbon black in the correct proportions during initial mixing, so new concrete only. The structure that functions like a supercap is formed during curing.