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October 1, 2015

Better battery imaging paves way for renewable energy future

A chemical phase map showing how the electrochemical discharge of iron fluoride microwires proceeded from 0 percent discharge (left) to 50 percent (middle) to 95 percent.

University of Wisconsin (UW)-Madison and Brookhaven National Laboratory researchers have developed a novel X-ray imaging technique to visualize and study the electrochemical reactions in lithium-ion rechargeable batteries containing a new type of material: iron fluoride. The development could improve the energy storage of everything from portable electronics to electric microgrids.

The research was led by Song Jin, a UW-Madison professor of chemistry and Wisconsin Energy Institute affiliate.

The synthesis of the battery materials in Jin's lab was supported by the National Science Foundation's Division of Materials Research (grant DMR 11-06184).

To learn more, see the UW-Madison news story Better battery imaging paves way for renewable energy future. (Date image taken: April 2015; date originally posted to NSF Multimedia Gallery: Oct. 5, 2015)

Credit: Linsen Li, Chemistry Department, University of Wisconsin-Madison

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