Fig. 5
From: Power generation from the interaction of a liquid droplet and a liquid membrane
Liquid membrane collecting electrostatic charges from solid objects. a Images of an acrylic block passing through the liquid membrane. b–e Photographs of the liquid membrane filtering the electrostatic charges from the acrylic block, screwdriver, pen, and PTFE pellet, respectively. f Amount of charge of different objects filtered by the liquid membrane. g Amount of charge of PTFE pellets with different diameter filtered by the liquid membrane. h Charge filtration efficiency of the liquid membrane for Fe pellets, PTFE pellets and water droplets of different sizes. Error bars represent standard deviation based on three replicate data in panel c. Source data are provided as a Source Data file
