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This Battery Charges for Few Seconds and Lasts for 1 Week

Nope, this is not a Nokia tech.


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Battery

 

Other than the fast draining of its battery, one of the most annoying things about our smartphones is its slow charging time. That actually depends on the device and charger used, but it usually takes more than 30 minutes to get the battery full.

That may about to change now as there is now a new technology that charges smartphones battery in just seconds and get this: it lasts for over a week.

 

Researchers at the University of Central Florida (UCF) developed a supercapacitor battery prototype that takes energy storage to a whole new level.

“If they were to replace the batteries with these supercapacitors, you could charge your mobile phone in a few seconds and you wouldn’t need to charge it again for over a week,” says main author of the study, Nitin Choudhary who is a UCF postdoctoral associate.

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But how does it work?

For starters, what sets supercapacitors apart from conventional batteries is that they store electricity statically on their surface. This means that can charge and deliver energy rapidly. However, there’s a limitation about supercapacitors that the researchers have found an answer to: the need for large surface areas to hold a considerable amount of energy.

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What they did is to create supercapacitors built with millions of nano-wires and shells made from two-dimensional materials only a few atoms thick. So far, their model is barely the size of a fingernail.

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For this, Choudhary says that the materials they used are surpassing the conventional ones worldwide in terms of energy density, power density and cyclic stability. For the small electronic devices at least.

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One of its selling points, the cyclic stability or the number of times a battery can be charged, drained and recharged before it starts to degrade, is superior in supercapacitors they developed as compared with lithium-ion batteries and conventional supercapacitors.

Choudhary and his team say that their supercapacitor prototype works like a new battery even after being recharged 30,000 times. Typically, supercapacitor with two-dimensional materials has a cyclic stability with a few thousand times, while lithium-ion batteries with fewer than 1,500 times.

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This technology holds a lot of promise in smartphones, wearables and electric vehicles. But the researchers reveal that it has to go undergo more development before it becomes commercially available.

 

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Source: WEF

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Engr. Alaric Saltzman
Rugby is life. Studied electrical engineering at Imperial College London. Lives in Peoria, Illinois. Follow me facebook.com/alaric.saltzman.18294

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