Fig. 1: Conceptualization of transmembrane ion flux induced by humidity cycle.
From: Diurnal humidity cycle driven selective ion transport across clustered polycation membrane
a Schematic representation of transmembrane concentration imbalance caused by humidity cycle triggered moisture absorption/desorption of IL. This setup comprises two IL layers enveloping a polycationic membrane, with one layer insulated from the air, while the other is left exposed for direct atmospheric interaction. As the ambient humidity is regularly fluctuating, there will be a continuous concentration imbalance. Inset represents schematic of concentration imbalance induced selective transmembrane ion flux. b Three-day continuous monitoring of ion current (Isc) from the aforementioned system during outdoor tests, coupled with the tracking of the corresponding ambient humidity (φRH). c, d Tracking of Isc during periods of increasing and decreasing ambient humidity, illustrating a strong correlation between humidity cycles and ion current.
