3D-Printed Batteries Open the Door to New Designs

3D-Printed Batteries Open the Door to New Designs
Proof-of-concept 3D-printed batteries could open the door to a new generation of product design.

Developed by a team from Duke University and Texas State, the lithium-ion batteries were made using an inexpensive 3D-printer and poly(lactic acid) (PLA). PLA is not typically an ionic conductor, so the team infused the material with an electrolyte solution while also using graphene in the anode and carbon nanotubes in the cathode to further increase conductivity.

Using the new technology, the team was able to print a coin cell battery as well as a battery built into a bracelet outfitted with an LED.

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