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The photovoltaic module and wire battery integrated into a wearable bracelet. | Alla Zamarayeva, University of California, Berkeley
Tech

Stretchable Solar Batteries May Power the Next Generation of Wearable Devices

Engineers at the University of California, Berkeley have developed flexible, rechargeable batteries that can be charged by the sun and threaded into clothes or wearable technologies.

(A)The assembly flow diagram for the (B) flexible wire–shaped batteries and (C) stretchable serpentine-shaped batteries. | Alla Zamarayeva, University of California, Berkeley
The flexible wire battery in a relaxed and deformed state. | Alla Zamarayeva, University of California, Berkeley