Engineers create an energy-storing supercapacitor from ancient materials

ScienceDaily
Jul 31, 2023, 7:16 pm130 pts
Engineers have created a 'supercapacitor' made of ancient, abundant materials, that can store large amounts of energy. Made of just cement, water, and carbon black (which resembles powdered charcoal), the device could form the basis for inexpensive systems that store intermittently renewable energy, such as…

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