Innovation

Innovation: Micro Batteries by Jennifer Lewis


Innovator: Jennifer Lewis
Age: 48 
Professor of Biologically Inspired Engineering at Harvard

Form and function
Rechargeable lithium ion batteries the size of a grain of sand, with nodes produced by a 3D printer, could power biomedical implants, coin-size sensors, and other tiny electronics.

O'Donnell is an intern for Bloomberg Businessweek.

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