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Graphene-based supercapacitor offers energy density comparable to NiMH battery, but with rapid charge and discharge

Green Car Congress

These values are comparable to those of NiMH batteries, the researchers note, but the new supercapacitor offers the ability to be charged or discharged within seconds or minutes. Wh/kg, which is comparable to that of a modern nickel metal hydride battery used in a hybrid vehicle.

NiMH 356
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Electric Car Manufacturers Inspire New Paradigms -- Seeking Alpha

Tony Karrer Delicious EVdriven

Price tag: about $25,000, made from 95% recyclable materials with a top speed of 65 miles per hour and range of 110 miles per charge. It is aggressively in talks with Portland General Electric Plug-In Charging Stations , ( POR ) and other states including Michigan, and California that are scrambling to offer incentives. before 2010.