Imaging the Inner Workings of a Sodium–Metal Sulfide Battery for First Time

Understanding how the structural and chemical makeup of the material changes during the charge/discharge process could help scientists advance battery design for future energy storage needsSometimes understanding how a problem arises in the first place is key to finding its solution. For a team of scientists at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory, taking this approach led them to the cause of degraded performance in an operating sodium-ion battery.
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