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. 2023 May 15:1–14. Online ahead of print. doi: 10.1007/s42765-023-00299-z

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© Donghua University, Shanghai, China 2023, Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.

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Fig. 5 — a Physical diagram of arch self-powered filter structure, b physical diagram before and after PAN/PS composite mat filtration and SEM diagram, c filtering efficiency and pressure drop of PBS fiber membrane for PM_0.3, d filtering efficiency of arch structure for PM_0.3 within 90 min and recovery of filtering efficiency when cycling charging after 40 min, e pressure drop and QF of arch structure during filtration, f comparison of filtration efficiency and pressure drop of PM_0.3 of arch structure and commercial mask middle layer (PP melt blown fabric), g QF of arch structure and PP melt blown fabric, h Comparison of tensile properties of arch structure and PP melt blown fabric