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Sugar powered Bio-battery

6/02/14 Inventions,Oi,Tech News
Sugar powered Bio-battery


Researchers at Virginia Tech have successfully created a sugar-powered fuel cell that has an energy storage density of 596 amp-hours per kilo or “one order of magnitude” higher than lithium-ion batteries.

Might soon be recharging your smartphone by pouring in a solution of 15% maltodextrin.


The Virginia Tech bio-battery uses 13 enzymes, plus air (it’s an air-breathing bio-battery), to produce nearly 24 electrons from a single glucose unit.

This equates to a power output of 0.8 mW/cm, current density of 6 mA/cm, and energy storage density of 596 Ah/kg. This last figure is impressive, at roughly 10 times the energy density of the lithium-ion batteries in your mobile devices.

Source: Extreme tech

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