S’pore team invents biodegradable paper battery 10 times cheaper than lithium batteries

Bending or twisting the paper battery does not interrupt the power supply. — NTU/The Straits Times/ANN

SINGAPORE: Local scientists have invented a cheap, rechargeable and fully biodegradable paper battery that can someday be used to power wearables of the future.

This battery is made by screen printing an ink layer of manganese on one side of a sheet of strengthened paper, and a layer of zinc and conductive carbon on the other.