May 27, 2016

...AND CHEAPER...:

This new super battery can last 400 times as long as your iPhone (Zach St. George (May 26, 2016, The Week)

Batteries fall into the when-your-well-runs-dry category of technology: We only miss them when they lose their charge or catch fire on the freeway, taking the stuff we really care about down with them. The best battery is basically the one we have to think about the least. Recently, a group of scientists at the University of California, Irvine, stumbled across an innovation that they think could lead to lithium-ion batteries even less demanding of our attention.

So far the new battery component has made it through three months of continuous charging and discharging without losing its ability to hold a charge, says Mya Le Thai, the doctoral candidate behind the innovation -- that's 200,000 cycles. (By comparison, iPhone batteries fade to about 80 percent of their original capacity after just 500 cycles, making hers at least 400 times better.) Thai says she's getting impatient, but that the head of her lab won't let her stop the experiment. "I keep asking my primary investigator, 'Can I take it apart?' He says, 'Did it fall apart? No? Well, then, let it keep on going.'"

Posted by at May 27, 2016 3:54 PM

  

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