Soon batteries to run on sugar | HT Tech

Soon batteries to run on sugar

In a breakthrough to develop long-lasting batteries for smartphones and other gadgets, scientists have successfully created a sugar biobattery that completely converts the chemical energy in sugar substrates into electricity.

By:IANS
| Updated on: Sep 01 2014, 14:28 IST
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In a breakthrough to develop long-lasting batteries for smartphones and other gadgets, scientists have successfully created a sugar biobattery that completely converts the chemical energy in sugar substrates into electricity.

This biobattery can achieve an energy-storage density of about 596 ampere-hours (A/h) per kg - an order of magnitude higher than the 42 A-h/kg energy density of a typical lithium-ion battery used in various gadgets.

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'A sugar biobattery with such a high-energy density could last at least 10 times longer than existing lithium-ion batteries of the same weight,' said YH Percival Zhang, an associate professor of biological systems engineering at Virginia Polytechnic Institute and State University, popularly known as Virginia Tech.

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The biobattery is a type of enzymatic fuel cell (EFC) - an electrobiochemical device that converts chemical energy from fuels such as starch and glycogen into electricity.

'We are first to demonstrate the complete oxidation of the biobattery's sugar so we achieve a near-theoretical energy conversion yield that no one else has reported,' Zhang added.

The sugar biobattery is also less costly than the lithium-ion battery and environmentally friendly, researchers reported in the journal Nature Communications.

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First Published Date: 01 Sep, 14:22 IST
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