Will not replace lithium-ion batteries, but may supplement it for better performance.

Skeleton Technologies, an ultracapacitor specialist from Estonia, announced that together with the Karlsruhe Institute of Technology (KIT) in Germany, it is working on a new groundbreaking graphene battery named SuperBattery.

The SuperBattery will utilize Skeleton’s patented Curved Graphene carbon material to achieve a charging time of just 15 seconds (240C) and charging cycles counted in hundreds of thousands.

As in the case of other ultracapacitors, also this one is not energy-dense enough to replace the lithium-ion batteries, although it beats lead-acid and NiMH, reaching some 60 Wh/kg.

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