Fig. 1. Self-charging air-filtering mask with prolonged electrostatic adsorption. (IMAGE)

City University of Hong Kong

Fig. 1. Self-charging air-filtering mask with prolonged electrostatic adsorption.

Caption

Fig. 1. Self-charging air-filtering mask with prolonged electrostatic adsorption. (a) Schematic diagram of the proposed self-charging air-filtering mask. (b) Enhanced particle capture capacity with the PVDF/nylon pair (left) employed in the SAF compared with the PP/PP (or PP/PE) pair (right) in a surgical mask. The close-up illustrations indicate the efficient electrostatic adsorption for fine particles with the SAF design.

Credit

© Dr Yang Zhengbao’s Group / City University of Hong Kong

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