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Indian-American teen invents device to charge mobile phone batteries in 20 seconds

Indian-American teen invents device to charge mobile phone batteries in 20 seconds

An Indian-American 18-year-old girl, Eesha Khare has invented a portable device, 'supercapacitor', which can fit inside mobile phone batteries and charge them fully within 20-30 seconds. Usually, a mobile phone takes three-four hours to get fully charged.

According to Eesha's project, 'Design and synthesis of hydrogenated TiO2-polyaniline nanorods for flexible high-performance supercapacitors', with the rapid growth of portable electronics, it has become necessary to develop efficient energy-storage technology. While batteries are used for storing energy, they suffer from long charging times and short life cycles. The project aimed to design and synthesise a supercapacitor with increased energy density while maintaining power density and long life cycle. Eesha specialises in using nanotechnology.

The device can last for 10,000 charge-recharge cycles, compared with 1,000 cycles for conventional rechargeable batteries, according to media reports.

For developing the device, California-based Eesha has been named one of the three winners and has received $50,000 as cash prize at Intel Foundation's Young Scientist Award recently held in Phoenix, the US. As of now the device has been tested on LED light. But, it can be used for mobile and car batteries and other portable electronic devices.

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