By making the basic building blocks of batteries out of ink, Harvard
materials scientist Jennifer Lewis is laying the groundwork for
lithium-ion batteries and other high-performing electronics that can be
produced with 3-D printers.
technology is still at an early stage, the ability to print batteries
and other electronics could make it possible to manufacture new kinds of
devices. Think of self-powered biomedical sensors, affixed to the skin,
that would continuously transmit vital signs to a smartphone. Or
existing products could be made more simply and efficiently.
For example, the plastic shell of a hearing aid is already 3-D printed for a custom fit inside a wearer’s ear.
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