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Charge your cellphone in 20 seconds

GoJays (1793832) writes | about a year ago

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GoJays (1793832) writes "An 18 year old from Saratoga California has won an international science fair for creating an energy storage device that can be fully juiced in 20 to 30 seconds.
The fast-charging device is a so-called supercapacitor, a gizmo that can pack a lot of energy into a tiny space, charges quickly and holds its charge for a long time.
What's more, it can last for 10,000 charge-recharge cycles, compared with 1,000 cycles for conventional rechargeable batteries, according to the inventor Eesha Khare."

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