Sounds like Cheap and Powerful, So what is stopping this from mass production? My Phone could help with a charging time of less then a minutes!.
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From what I understand, it's fairly expensive. It's tough to make a profit on a phone when the battery costs $500. Costs are surely coming down but I think we'll have to wait before it hits the mass markets. From the wikipedia page on graphene [1]: "On the other hand, the price of epitaxial graphene on SiC is dominated by the substrate price, which is approximately $100/cm2 as of 2009."
[1] http://en.wikipedia.org/wiki/Graphene#Occurrence_and_product...
I would pay $500 extra if I could charge my phone in 1 minute. I would pay $2000 extra if my laptop could do the same.