Designing Lithium-Ion Batteries To Last | Chemical & Engineering News
 
 
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Web Date: October 7, 2011

Designing Lithium-Ion Batteries To Last

Cathode Materials: Encasing sulfur in nanofibers could help high-energy batteries survive repeated recharging
Department: Science & Technology
News Channels: Materials SCENE, Environmental SCENE
Keywords: lithium-ion batteries, carbon nanofibers, sulfur cathode

A new electrode design for lithium-ion batteries stores twice as much energy as those found in today’s portable electronics. It also doesn’t degrade when discharged and recharged (Nano Lett., DOI: 10.1021/nl2027684). The design may help battery manufacturers overcome problems that have kept a promising technology from reaching the market.

As lithium-ion batteries’ storage capacity increases, electric cars and smartphones both function longer without needing to recharge. But researchers have had difficulty making high-energy batteries . . .

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