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19 May 2011

The U.S. Department of Energy (DoE)’s Brookhaven National Laboratory recently characterized activated graphene fabricated at the University of Texas-Austin, concluding that it had an energy density that could rival batteries, an energy-release and quick-recharge rate that exceeded batteries, and a lifetime of at least 10,000 charge/discharge cycles.

Used instead of batteries, activated-graphene supercapacitors could last 27 years for a plug-in vehicle recharged once a day. The DoE also speculates that gigantic activated-graphene supercapacitors at power-stations could smooth out power availability from intermittent energy sources, such as wind and solar. [via]

Activated graphene boosts supercaps – [Link]

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