Graphene is already being used to extend battery life and store massive amounts of data, and now it looks like it may also be useful in a new type of heat sink that can drastically reduce the operating temperature of electronic gadgets.
Researchers at the University of North Carolina replaced a standard copper heat sink with a copper-graphene composite that improves on copper's already-impressive conductivity. The combination is 25% more effective at drawing heat away from processors, and it's also cheaper to produce than all-copper heats inks.
Researchers say it only takes a 200 micrometer layer of the composite to achieve that kind of heat reduction, meaning even thin gadgets like smartphones and tablets should be able to use it without a change in form factor.
[geek]
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