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Recently, the Institute of Solid State Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences has developed a three-dimensional foam current collector for seawater desalination based on capacitive deionization technology, using its unique foam structure to enhance the connection between the current collector and the carbon slurry.
Researchers have developed a three-dimensional foam-structured current collector to enhance the desalination performance of flowing electrode capacitive deionization (FCDI), taking advantage of its complex mass transfer channels, small charge transport distances within the channels, and large charge transport on the foam surface.
Compared with the traditional FCDI device, the new three-dimensional foam current collector replaces the traditional two-dimensional planar current collector, which enables the carbon slurry in the flow channel to better complete the charge transport process and improves the desalination capacity of the FCDI device
The researchers further conducted desalination tests on simulated seawater, South China Sea and Yellow Sea seawater, respectively.
Compared with traditional reverse osmosis and electrodialysis technologies, capacitive deionization (CDI) technology, as an emerging seawater desalination technology, has unique advantages, such as high energy efficiency, relatively low cost and environmental impact.
