Hi Chrome, there are many different applications. Adding graphene to the anode of the Tesla type Li ion battery greatly enhances performance - 10x capacity, 10x faster charging, at least double the charging cycles.
Then in Korea more than one company in the auto field is developing graphene "supercapacitors" which have even greater performance levels.
China also heavily involved in similar developments. (not quite so transparent with info.
In Europe, Skeleton Technologies have developed what they call "ultra capacitors - even higher performance levels from their graphene based battery that has been selected by the European Space Agency for a spacecraft due to be launched in 2018.
A lot more info if you want to follow up by googling any of these terms.
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