Nanogenerators harvest body’s energy to power devices

No need to plug in wearable or implantable gadgets that can perform medical tasks

triboelectric nanogenerator w/voltage graph

POWER SQUEEZE  With a squeeze, swing or jiggle, body motion can flex a triboelectric nanogenerator (left) to create voltage (right), which can charge implantable and wearable medical devices. Textured surfaces within the generator can boost the power output.

W. Tang et al/ACS Nano 2015

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