Capacitive deionization (CDI) is the primary runner-up technology to challenge the well-established traditional technologies such as the reverse osmosis and the electrodialysis for producing fresh water from sea water. The performance of CDI is mainly governed by the carbon electrode properties such as the electric conductivity and the pore size distribution, and this remains a bottle-neck challenge for the CDI technique up to now, and needs to be addressed urgently. In this paper, Gang Wang, Jieshan Qiu and co-workers at Dalian University of Technology in China report a new strategy for fabricating hierarchical carbon electrodes with tuned structure for CDI by electrospinning, which shows a high desalination performance in an order as high as 10 mg salt/g carbon. The novel approach may pay a new way for a new technology for producing fresh water from salted water.
(Text supplied by author)
(J. Mater. Chem., 2012, 22, 21819-21823). Free to read for a short time.
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