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Saturday, October 22, 2011

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News

Fluoride shuttle increases storage capacity: Researchers develop new concept for rechargeable batteries

Posted: 21 Oct 2011 09:55 AM PDT

Researchers have developed a new concept for rechargeable batteries. Based on a fluoride shuttle -- the transfer of fluoride anions between the electrodes -- it promises to enhance the storage capacity reached by lithium-ion batteries by several factors. Operational safety is also increased, as it can be done without lithium.

Giant flakes make graphene oxide gel: Discovery could boost metamaterials, high-strength fibers

Posted: 20 Oct 2011 02:14 PM PDT

Slices of graphene oxide in a solution arrange themselves into a nematic liquid crystal. At a sufficient concentration, giant flakes will form a gel, a precursor to manufacturing metamaterals and fibers.
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