How China’s Rare Earth Minerals Might Affect Cleantech

Sunday, December 19th, 2010

China’s influence over the global rare earth metals (REM) markets has come under increased international scrutiny following recent measures by the Chinese Government aimed at strengthening control over its fragmented REM industry.

China currently accounts for 36 percent of REM reserves and 97 percent of worldwide (more…)

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Carbon Nanotube Electrodes Boost Power in Lithium Batteries, Study Says

Friday, June 25th, 2010

Researchers at the Massachusetts Institute of Technology say they have developed a positive electrode made of carbon nanotubes that enables lithium-ion batteries to deliver ten times more power than a conventional battery.

If produced on an industrial scale, these carbon nanotube electrodes could significantly extend the range of electric vehicles, the MIT scientists say.

Reporting in the journal, Nature Nanotechnology, the MIT researchers write that the secret to their technology is that their carbon nanotubes contain a very high surface area for storing and reacting with lithium.

(more…)

 
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