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More Energy in Batteries. Nanowire anodes could let lithium-ion batteries run twice as long

More Energy in Batteries. Imagine the effect on GSM GPS tracking devices.

Silicon charge: Mats of silicon nanowires hold 10 times more charge than conventional lithium-ion battery anode materials. Credit: Amprius

Silicon charge: Mats of silicon nanowires hold 10 times more charge than conventional lithium-ion battery anode materials.                      Credit: Amprius

A start-up based in Menlo Park, CA, plans to sell a new type of anode for lithium-ion batteries that, the company says, will let electric vehicles travel farther and mobile devices last longer without a recharge. Amprius‘ lithium-ion anodes are made of silicon nanowires, which can store 10 times more charge than graphite, the material used for today’s lithium-ion battery anodes. According to the company, electric vehicles that run 200 miles between charges could go 380 miles on its batteries, and laptops that have four hours of run time could last for seven hours between charges.

Read more http://ow.ly/1bCsW

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