Dual Polyamide Thin‐Film Composite Membrane With Multiscale Hetero‐Channels and Mosaic Charge Architecture for Boosting Ion Transport and Osmotic Energy Conversion

Key Points

• This research aims to enhance ion transport and osmotic energy conversion using a novel membrane design.
• Developed a dual polyamide thin-film composite membrane with multiscale hetero-channels and mosaic charge architecture.
• Evaluated membrane performance under light irradiation conditions.
• Assessed ion transport and selectivity metrics against conventional designs.
• The novel membrane exhibited improved ion transport rates compared to standard membranes.
• Achieved a significant reduction in ion concentration polarization while maintaining high selectivity for ions.
• Demonstrated enhanced osmotic energy conversion efficiency under tested conditions.