Graphene-based supercapacitor hits new energy storage high

A breakthrough in supercapacitor performance has been achieved with the development of a device that can store as much energy as a battery while recharging in seconds. The graphene-based supercapacitor being developed in the U.S. by researchers at Nanotek Instruments can store as much energy per unit mass as nickel metal hydride batteries and could one day be used to help deliver almost instant charging to recharge mobile phones, digital cameras or micro electric vehicles.

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