3D Printing Prints Tiny Microbatteries the Size of a Grain of Sand (Video)

June 19, 2013 9:00 AM

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3D printing holds enormous potential--from creating food products for long space missions to actually forming "living" synthetic tissue. Now, scientists have found a new use for 3D printing. They've discovered a way to use the technique to print lithium-ion microbatteries the size of a grain of sand. The new microbatteries hold enormous potential for use in tiny devices in fields that range from medicine to communications.

Actually making these batteries wasn't easy, though. The scientists had to precisely print interlaced stacks of tiny battery electrodes, each less than the width of a human hair. In order to accomplish this feat, the researchers first created and tested several specialized inks. Unlike the ink in an...

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