An X-ray movie of lithium-ion battery charging in action (VIDEO)
Caption
A team from SLAC, Stanford, MIT and Toyota Research Institute used machine learning to re-analyze X-ray movies like this one pixel by pixel and discover new physical and chemical details of battery cycling. This animation is based on X-ray images the team made in 2016. It shows some of the billions of nanoparticles in a lithium-ion battery electrode charging (red to green) and discharging (green to red) as lithium ions flow in and out of them, and reveals how uneven the process within a single particle can be.
Credit
SLAC National Accelerator Laboratory
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Original content