Last updateTue, 17 Mar 2015 2pm

Indian teen invents device that can charge mobile phones in 20 seconds

An Indian-American teenager has been named winner of this year's Intel Young Scientist Award after inventing a device that can charge a mobile phone in just 20 seconds.

Eesha Khare, 18, from Saratoga, California triumphed over more than 1600 other finalists to win the $50,000 prize for her groundbreaking "Super Capacitor" which is able to compact and hold a great amount of energy in a tiny space.

When asked why she chose to research energy-storage technology, Eesha described her frustration shared by millions of mobile-phone users around the world: "My cell phone battery always dies."

The super capacitor fits inside a cell phone battery and enables ultra-fast electricity transfer and storage, delivering a full charge which in 20 - 30 seconds, compared with the minimum 1 hour required for even the fastest-charging mobile devices.

"The best part of my project was seeing its practical application. After charging my super capacitor for 20 seconds, I was able to light a LED device and that's an amazing accomplishment," said Khare at the Intel International Science and Engineering Fair, held May 17.

The capacitor can last for 10,000 charge-recharge cycles, compared to only 1,000 cycles for conventional rechargeable batteries.

The invention also has the potential to be used in a mind-numbing array of applications, from mobile phones to car batteries and Eesha has already piqued the interests of California-based tech giants, including Google.

The teenager however, has vowed to first pursue her studies in Nano Chemistry at Harvard, funded in-part, by her prize money.



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