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3D Printer Creates Microbatteries Smaller than a Grain of Sand

3D Printer Creates Microbatteries Smaller than a Grain of Sand

Researchers at Harvard and the University of Chicago used "electrochemically active ink" and a custom 3D printer to print microbatteries smaller than a single grain of sand. 

Researchers at Harvard and the University of Chicago used “electrochemically active ink” and a custom 3D printer to print microbatteries smaller than a single grain of sand. They reported their breakthrough in the journalĀ Advanced Materials.


So why might we need such small batteries? To power microdevices such asĀ medical implants or insect-like flying robots.

Watch here to see the printing of these batteries in action:

Image and video courtesy of Lewis Research Group, Harvard University


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