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Battery breakthrough: scientists use a DVD burner to create graphene supercapacitors

When it comes to the raw computing power they are able to harness, smartphones have definitely come a long way over the last few years. While the software was able (to a certain extent) to keep up with the hardware advancements, one very important smartphone component is basically the same as it was when the first smartphones started rolling out: the battery.

A pain in a very sensitive place for both manufacturers and users, Li-Ion batteries take up more space than all other components but are still unable to provide decent autonomy. Although you can always make them bigger (as seen on the Droid RAZR Maxx or the new iPad), you can only go up to certain point before design will suffer.

Fortunately, it looks like a team of researchers led by UCLA’s Richard Kaner was able to create graphene supercapacitors that are able to discharge three times more watts per cm3 when compared to current lithium-ion batteries.
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