Wednesday, December 19, 2007

Nanowire Li-Ion Battery Holds 10 Times the Charge

Stanford researchers have found a way to use silicon nanowires to reinvent the rechargeable lithium-ion batteries.

The new version, developed through research led by Yi Cui, assistant professor of materials science and engineering, produces 10 times the amount of electricity of existing lithium-ion, known as Li-ion, batteries. A laptop that now runs on battery for two hours could operate for 20 hours, a boon to ocean-hopping business travelers.

"It's not a small improvement," Cui said. "It's a revolutionary development."

Cui said that a patent application has been filed. He is considering formation of a company or an agreement with a battery manufacturer. Manufacturing the nanowire batteries would require "one or two different steps, but the process can certainly be scaled up," he added. "It's a well understood process."
Very cool. I wonder how long it will take them to make these commercially available and how much they will cost. If the price is similar to current batteries then this is a huge breakthrough for battery powered cars.

via Stanford News via Engadget

Update: Some interesting comments on this story over at Slashdot. Also a FuturePundit commenter alerts me to a more technical analysis over at Entropy Production.

1 comment:

Unknown said...

Hi,


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