Stanford researchers have found a way to use silicon nanowires to reinvent the rechargeable lithium-ion batteries that power laptops, iPods, video cameras, cell phones, and countless other devices.
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."
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bring this to market it will be great, although i'm pretty sure i will never se a laptop with a 20 hour battery, i will see a smaller laptop. Batteries are one of the main things holding back miniaturization, it is usually the largest single component in a high tech mobile device.
I think this is wonderful for all walks of life.
I'm a little optimistic that the life of these cells will be comparable to standards li-ion batteries. How long will they maintain their recharge capacity. If it can only be recharged 50-100 times it'll be extremely expensive.
Now I can have the long lasting pleasure I've been seeking from my vibrator...I keed, I keed.
about the super battery that charges 3x faster and lasts twice as long. Wish they would get these into full production so I could not lose as much on batteries.
Hybrid electric vehicles could really use this tech.