Particles (IMAGE)
Caption
These are images of particles made from a promising battery cathode material called NMC. Scientists found a simple method for making layered NMC particles that store more energy while protecting themselves from degradation. The smallest particles, at bottom, are just 100 billionths of a meter in diameter; they clump into larger spherical particles, top. The color image at center shows the uneven distribution of chemical elements on a particle's surface, which is key to its improved performance. The black-and-white images were made with an electron microscope at Brookhaven National Laboratory; color images are based on X-ray studies at SLAC.
Credit
SLAC National Accelerator Laboratory
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