This High Tech Face Mask is Charged by Wearer’s Breath

The masks contain two triboelectric nylon fabric layers that replenish the charge as they move back and forth.

City University Of Hong Kong
City University of Hong Kong

According to a recent Medgadget article, researchers at City University of Hong Kong have developed a self-charging face mask that can replenish its electrostatic charge through the wearer's breathing action. The mask, made from two triboelectric nylon fabric layers, generates an electric charge as the layers move back and forth during breathing, maintaining its ability to adsorb tiny particles, such as SARS-CoV-2 viruses, for much longer than conventional masks. The technology can provide enhanced protection for healthcare staff, while reducing waste.

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