Nanotubes/Nanofibers Hybrid Membrane for Salinity Gradient Energy Conversion

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The aim is to design and regulate material characteristics to create a high porosity ion-selective membrane for efficient salinity gradient energy conversion.
Developed a composite membrane using oxidized carbon nanotubes and cellulose with rich -OH functional groups.
Utilized hydrogen bonding to create a three-dimensional network structure.
Tested performance using natural seawater and river water as electrolytes.
Achieved a power output of up to 6.2 W/m² in salinity gradient energy systems.
Increased porosity significantly improved ion selectivity and transport flux.
Provided new insights into the design of high-performance salinity gradient energy devices.

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Research demonstrates improved ion selectivity and transport in membranes, suggesting enhanced energy conversion efficiency.

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Liu et al. (2026) studied this question.

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