Printable Lithium-Ion Batteries Take On New Shapes

Printable Lithium-Ion Batteries Take On New Shapes
Aug-19-15
Researchers have developed fully flexible, solid-state lithium-ion batteries that can be printed in an array of shapes, allowing electronics designers more freedom to create.

Conventional batteries must contain liquid electrolytes, which limits the shape of the battery. The new batteries, created by a team at Ulsan National Institute of Science and Technology, were made by using an electrolyte previously developed by the team. The electrolyte, made of alumina nanoparticles and lithium combined with polymer, has the viscosity of ketchup, and can be cured using UV light. By pressing the ink into stencils and then curing it with UV light, the team is able to create anodes and cathodes than can be printed in a variety of shapes.

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