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Sulfonate-functionalized covalent organic frameworks for capacitive deionization
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DOI：10.1093/bulcsj/uoae074.png)
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Abstract
En 中文
Capacitive deionization is an efficient and cost-effective technology for ion removal from brackish water. Here, we demonstrate a sulfonate-functionalized covalent organic framework as a novel faradaic cathode material for capacitive deionization applications. Due to its orderly arranged adsorption units in the covalent organic framework, the resulting covalent organic framework demonstrates a superior sodium cations removal capacity of 19.56 mg g-1 and a maximum desalination rate of 3.15 mg g-1 s-1 in a 500 ppm NaCl solution at 1.2 V. Graphical Abstract A sulfonate-functionalized covalent organic framework (COF) as a novel faradaic cathode material for CDI applications. Due to its orderly arranged adsorption units, the resulting COF demonstrate a superior sodium cations removal capacity of 19.56 mg g-1 and a maximum desalination rate of 3.15 mg g-1 s-1 in a 500 ppm NaCl solution.
Keywords:
capacitive deionization
covalent organic frameworks
nanoporous materials
sulfonate
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3.8
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9.0K
Citations:
1.1W
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