News tagged with carbon deposits

Producing graphene layers using crystallization

(PhysOrg.com) -- Ever since it's relatively recent discovery, graphene has generated a great deal of interest. Graphene is extracted from graphite in many cases, and consists of a sheet of carbon atoms bound together in a ...

Mar 02, 2010 feature
4.7 / 5 (13) 1 | with audio podcast

Every atom counts in graphene formation

(Phys.org)—Like tiny ships finding port in a storm, carbon atoms dock with the greater island of graphene in a predictable manner. But until recent research by scientists at Rice University, nobody had ...

Sep 04, 2012
5 / 5 (2) 0 | with audio podcast

Tighter 'stitching' makes better graphene

(Phys.org) -- Similar to how tighter stiches make for a better quality quilt, the "stitching" between individual crystals of graphene affects how well these carbon monolayers conduct electricity and retain ...

Jun 01, 2012
4.8 / 5 (4) 1 | with audio podcast

Improving batteries' energy storage

MIT researchers have found a way to improve the energy density of a type of battery known as lithium-air (or lithium-oxygen) batteries, producing a device that could potentially pack several times more energy ...

Jul 25, 2011
4.9 / 5 (15) 0 | with audio podcast

A crystal clear view of chalk formation

(PhysOrg.com) -- It has a beautiful, but also an unpleasant side: crystallization determines the shape of precious stones, but also causes the lime scale in washing machines. How this comes about, has been ...

Jan 23, 2009
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