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Wearable device battery could last 10 years

Researchers at ORNL test a new battery that is safer and longer lasting than current ones, but it could be years before it reaches products
By Agam Shah
April 24, 2014 04:04 PM ET
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IDG News Service – Researchers have designed a battery that could keep wearable and health care devices running for 10 or more years without a recharge.

The new design, based on the lithium carbon fluoride (CFx) chemical formula, could also lead to batteries that are safer than current ones. A prototype battery based on the formula was tested by researchers at the U.S. Department of Energy’s Oak Ridge National Laboratory, and a related paper was published in the Journal of the American Chemical Society last week.

The CFx batteries could be as small as coins, and could last for years in low-power fitness trackers or wearable devices with sensors, said researcher Chengdu Liang, the lead author of the paper.

“The battery is not going to be recharged. It’s one-time use,” Liang said.
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