Copper hexacyanoferrate/carbon sheet combination with high selectivity and capacity for copper removal by pseudocapacitance
Journal of Colloid and Interface Science(2024)
Abstract
•An efficient CuHCF/C electrode was prepared for Cu2+ removal by CDI.•CuHCF/C achieved high Cu2+ adsorption capacity of 134.47 mg g−1 at low applied voltage of 0.8 V.•CuHCF/C manifested excellent Cu2+ selectivity in multi-ion coexisting solution.•The mechanism of removing Cu2+ by Faradaic pseudocapacitance was explained.
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Key words
Capacitive deionization,Prussian blue analogs,Copper removal,Copper ion selectivity,High adsorption capacity
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