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X-Ray tomography lets researchers watch solid-state batteries charge, discharge


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IMAGE: Solid-state batteries are charged and discharged in custom-made hardware designed at Georgia Tech. A smaller, modified version of the cell shown here was used to image these materials during cycling..
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Credit: Matthew McDowell, Georgia Tech
Using X-ray tomography, a research team has observed the internal evolution of the materials inside solid-state lithium batteries as they were charged and discharged. Detailed three-dimensional information from the research could help improve the reliability and performance of the batteries, which use solid materials to replace the flammable liquid electrolytes in existing lithium-ion batteries.
The operando synchrotron X-ray computed microtomography imaging revealed how the dynamic changes of electrode materials at lithium/solid-electrolyte interfaces determine the behavior of solid-state batteries. The researchers found that battery operation caused voids to form at the interface, which c ....

United States , South Korea , Georgia Institute Of Technology , Yuhgene Liu , Parthap Mukherjee , Matthew Mcdowell , Chanhee Lee , Thomass Marchese , Jack Lewis , Johnc Miers , Francisco Javier Quintero Cortes , Bairavs Vishnugopi , Jared Tippens , Dhruv Prakash , Ankit Verma , Pavel Shevchenko , Pralavp Shetty , Hyun Wook Lee , Hyun Han , Christopher Saldana , Purdue University , National Science Foundation , Ulsan National Institute Of Science , Us Department Of Energy , National Science Foundation Under Award No , Office Of Science ,