Squishy supercapacitors bathed in green tea could power wearable electronics

Wearable electronics are here — the most prominent versions are sold in the form of watches or sports bands. But soon, more comfortable products could become available in softer materials made in part with an unexpected ingredient: green tea. Researchers report a new flexible and compact rechargeable energy storage device for wearable electronics that is infused with green tea polyphenols.