By: Mimi Martinez
In a recent study[1], a team of MIT researchers, in collaboration with the Wyss Institute for Biologically Inspired Engineering, unveiled a novel supercapacitor made from cement, carbon black, and water.
Supercapacitors are devices known for their ability to store large amounts of electrical energy quickly and efficiently. Unlike traditional batteries, supercapacitors can charge and discharge rapidly, making them ideal for storing energy from renewable sources like solar and wind, which can be intermittent.
The innovation lies in the simplicity and scalability of the materials used. Cement, when combined with carbon black and water, forms a robust structure capable of storing significant electrical charge. This composition not only enhances energy storage capabilities but also retains the structural integrity required for practical applications.
This innovative material could be used in everyday infrastructure, such as concrete foundations or roadways, to store renewable energy like solar and wind power. A house with a concrete foundation could double as an energy storage unit, capable of holding an entire day's worth of solar or wind energy. Similarly, roadways embedded with these supercapacitors could recharge electric vehicles wirelessly as they travel[2].
The technology offers a scalable, low-cost solution to energy storage, addressing challenges in stabilizing renewable energy supply and improving distribution. As the world seeks cleaner and more efficient energy solutions, MIT's breakthrough offers a glimpse into a future where classic building materials power our modern needs.
[1] https://www.pnas.org/doi/10.1073/pnas.2304318120
[2] https://news.mit.edu/2023/mit-engineers-create-supercapacitor-ancient-materials-0731
