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The Front Cover picture shows the novel sodium/seawater rechargeable energy storage system, which can be considered as a hybrid between a battery and a fuel cell. The system comprises a positive seawater electrode (open to air) and a sealed negative tin-carbon (Sn–C) composite electrode in contact with environmental-friendly, highly stabile ionic liquid-based anolyte. The anode compartment is separated from the cathode compartment by the NASICON solid electrolyte. Upon electrochemical discharge, Na+ ions that are released from the Sn–C anode migrate through the anolyte and the solid electrolyte to reach the cathode compartment where they form sodium hydroxide with the reduction product of water and oxygen (from seawater). More details can be found in the Full Paper by Kim et al. on page 42 in Issue 1, 2016 (DOI: 10.1002/cssc.201501328).
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Kim et al. (2016) studied this question.
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