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According to our unscientific survey of about 20 friends and acquaintances, about two in five people complain about their cell phone battery life. Those forty percent might be in for a treat, as Stanford researchers have developed a system for producing 10 times the amount of electricity of current lithium-ions. No, that’s no typo, and the developers of this technology aren’t taking it lightly. If your cell phone originally had four hours of talk time, that can be 40 hours with what they’re dubbing Li-ion batteries.
Research leader Yi Cui, assistant professor of materials science and engineering at Stanford:
“It’s not a small improvement,” Cui said. “It’s a revolutionary development.”
He used silicon nanowires to create this effect. And it might not just be for cell phones. There is a notion that electric cars would benefit greatly from this kind of technology.
On a side note, if you’re one of those 40 percent who complains about cell phone battery life, here’s a tip I got from a scientist who has worked with lithium-ion batteries. Don’t charge it while it’s on. You’ll hear things from service reps like “don’t charge it overnight,” but don’t listen. They’re full of it. Instead, turn your phone off while charging.
For a demonstration of why you should do this, go to your local cell phone retailer. Take your battery out of your phone and spin it on the counter. Notice how it goes ’round and ’round. Now have them open a new battery and try to spin it. Notice that it doesn’t. This is because charging it while its on creates air bubbles in the battery, which will eventually lead to a lesser and lesser battery life.
[Nanotechwire] via [IntoMobile]
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