Concrete, the most common building material worldwide, might revolutionize energy storage. Damian Stefaniuk, from MIT, discovered how to create supercapacitors from water, cement, and carbon black, replacing lithium batteries. These supercapacitors can rapidly charge and store energy efficiently. The potential applications are vast, from roads that recharge electric cars wirelessly to energy-storing foundations for houses. The concrete supercapacitor has the capability to power a 10-watt LED bulb for 30 hours, and even an entire residential house if scaled up. Although there are challenges like the environmental impact of cement production, this innovation marks a step towards a cleaner, more sustainable energy future.
https://www.bbc.com/future/article/20240610-how-the-concrete-in-your-house-could-be-turned-into-a-battery