MIT engineers create battery alternative using cement and carbon black
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Scientists at the Massachusetts Institute of Technology have developed a low-cost energy storage system that could be integrated into roads and building foundations to facilitate the renewable energy transition.

The research team has created a supercapacitor – a device that works like a rechargeable battery – using cement, water and carbon black, a fine black powder primarily formed of pure carbon.

The breakthrough could pave the way for energy storage to be embedded into concrete, creating the potential for roads and buildings that charge electric devices.