Long-Life Lithium Battery developed by Stanford Researchers

A materials science professor at Stanford has invented a silicon nanowire electrode with the capability of holding ten times the charge of conventional lithium-ion batteries. However, a cathode would need to be developed to store a corresponding high density of electrons for the breakthrough to reach full potential.
Describing it as a “revolutionary development” rather than a minor improvement, author Yi Cui believes that the batteries will be useful in electric cars, and perhaps for storing electricity from solar panels to use in homes and offices. The development was reported in the scientific journal Nature Nanotechnology and published in December, 2009.
Although additional advances will be required before lithium batteries with nanowire electrodes deliver major increases in performance of electric-vehicle batteries, Cui has filed a patent and may form a company or partner with a manufacturer to further develop the technology. He expects the battery to be available commercially within the next several years, although nanowires are not yet being mass-produced.
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