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Rubber meets the road with new ORNL carbon, battery technologies

Posted at 9:54 pm August 27, 2014
By Oak Ridge National Laboratory Leave a Comment

Recycled Tire Battery Schematics

ORNL researchers’ goal is to scale up the recovery process and demonstrate applications as anodes for lithium-ion batteries in large-format pouch cells. (Image courtesy ORNL)

 

Recycled tires could see new life in lithium-ion batteries that provide power to plug-in electric vehicles and store energy produced by wind and solar, say researchers at Oak Ridge National Laboratory.

By modifying the microstructural characteristics of carbon black, a substance recovered from discarded tires, a team led by Parans Paranthaman and Amit Naskar is developing a better anode for lithium-ion batteries. An anode is a negatively charged electrode used as a host for storing lithium during charging.

The method, outlined in a paper published in the journal RSC Advances, has numerous advantages over conventional approaches to making anodes for lithium-ion batteries.

“Using waste tires for products such as energy storage is very attractive not only from the carbon materials recovery perspective but also for controlling environmental hazards caused by waste tire stock piles,” Paranthaman said.

The ORNL technique uses a proprietary pretreatment to recover pyrolytic carbon black material, which is similar to graphite but man-made. When used in anodes of lithium-ion batteries, researchers produced a small, laboratory-scale battery with a reversible capacity that is higher than what is possible with commercial graphite materials. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Science, U.S. Department of Energy Tagged With: Amit Naskar, anode, battery, carbon black, Center for Nanophase Materials Sciences, Craig Bridges, David Wood, Dipendu Saha, DOE, electric vehicles, energy, graphite, Jianlin Li, lithium ion batteries, Low-Cost Graphite Anodes For Lithium-Ion Batteries, Materials Sciences and Engineering Division, Miaofang Chi, Oak Ridge National Laboratory, Office of Basic Energy Sciences, Office of Science, ORNL, Parans Paranthaman, pouch cells, recycled tires, RSC Advances, Sam Akato, Tailored Recovery of Carbons from Waste Tires for Enhanced Performance as Anodes in Lithium-Ion Batteries, Technology Innovation Program, U.S. Department of Energy, Yunchao Li, Zhonghe Bi

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