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New battery tech will let Mobile phones charges in seconds

Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. The research could yield high-capacity, ultra-fast-charging batteries that last over 20 times longer than a conventional lithium-ion cell. “You could charge your mobile phone in a few seconds and you wouldn’t need to charge it again for over a week,” says UCF postdoctoral associate Nitin Choudhary.

Supercapacitors can be charged quickly because they store electricity statically on the surface of a material, rather than using chemical reactions like batteries. That requires “two-dimensional” material sheets with large surface areas that can hold lots of electrons. However, much of the research, including that by EV-maker Henrik Fisker and UCLA, uses graphene as the two-dimensional material.

The high-powered battery is packed with supercapacitors that can store a large amount of energy. It looks like a thin piece of flexible metal that is about the size of a finger nail and could be used in phones, electric vehicles and wearables, according tothe researchers.

More info: Engadget

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