Tuesday, March 1, 2011

Flexible batteries



A team of Korean researchers have produced flexible batteries, bendable energy sources that are at a time more powerful and cheaper than the rigid Lithium ion batteries. And unsurprisingly enough graphene is at the heart of the innovation. The rechargeable battery contains a vanadium oxide cathode, grown on a sheet of graphene paper, an unidentified seperator, and an anode made of lithium coated graphene.

According to the developers this battery sports higher energy and power density as well as better cycle life. Also one similar technology like this enlists the use of carbon nanotubes which is more costlier to make than graphene, and like everything else these technologies will also take years perhaps decades to get implemented. So bear on with the rigid lithium stuff.

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