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Electronic Items may Now be Charged in Just 10 Minutes

by Dr. Enozia Vakil on June 11, 2014 at 7:49 PM
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 Electronic Items may Now be Charged in Just 10 Minutes

A new 3-D, silicon-decorated, cone-shaped carbon-nanotube cluster architecture for lithium ion battery anodes has been developed by researchers that could charge portable electronics in 10 minutes .

In a paper, Silicon Decorated Cone Shaped Carbon Nanotube Clusters for Lithium Ion Battery Anode, UC Riverside researchers developed a novel structure of three-dimensional silicon decorated cone-shaped carbon nanotube clusters architecture via chemical vapor deposition and inductively coupled plasma treatment.

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Lithium ion batteries based on this novel architecture demonstrate a high reversible capacity and excellent cycling stability. The architecture demonstrates excellent electrochemical stability and irreversibility even at high charge and discharge rates, nearly 16 times faster than conventionally used graphite based anodes.

The researchers believe the ultrafast rate of charge and discharge can be attributed to two reasons, said Wei Wang, lead author of the paper.

One, the seamless connection between graphene covered copper foil and carbon nanotubes enhances the active material-current collector contact integrity which facilitates charge and thermal transfer in the electrode system.

Two, the cone-shaped architecture offers small interpenetrating channels for faster electrolyte access into the electrode which may enhance the rate performance.

The study has been published in the journal SMALL.

Source: ANI
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