Table 1 Filtration performance summary of ILP@MF masks compared with commercial face masks.

From: High-performance particulate matter including nanoscale particle removal by a self-powered air filter

Mask type

PSP

E (%)

ΔP (Pa)

QF (Pa−1)

Costs (RMB)

ILP@MF-1

Button cell

93.37

26

0.104

1.5

ILP@MF-2

Solar panel

93.21

27

0.100

2.8

Commercial-1

–

42.06

173

0.00315

0.8

Commercial-2

–

18.77

423

0.000646

0.2

  1. PSP power supply platform, E NPs removal efficiencies, ΔP pressure drop, QF quality factor, ILP@MF-1 ILP@MF mask fabricated by button lithium cell, ILP@MF-2 ILP@MF mask fabricated by silicon-based solar panel, Commercial-1 commercial PP face mask, Commercial-2 commercial cotton face mask.
  2. Filtration performance was tested at the flow rate of 0.3 m s−1.