期刊
MATERIALS LETTERS
卷 248, 期 -, 页码 197-200出版社
ELSEVIER
DOI: 10.1016/j.matlet.2019.04.019
关键词
Metal-organic frameworks; Asymmetrical capacitive deionization; Nanocomposites; Porous materials; Oxygen vacancies
资金
- National Natural Science Foundation of China [21561026, 21361020]
- National First-rate Discipline Construction Project of Ningxia: Chemical Engineering and Technology [NXY-LXK2017A04]
Hierarchically porous carbon-coated zirconium oxide nanocubes (HCZ) derived from metal-organic framework (Zr-UiO-66) have been developed as electrode for hybrid capacitive deionization. The obtained HCZ exhibits a hierarchically porous structure and provides excellent electrical connectivity between metal oxides and carbon nanostructures. An asymmetric capacitive deionization made with HCZ//activated carbon shows a remarkable salt adsorption capacity of 55.17 mg g(-1) in 250 mg L-1 aqueous sodium chloride solution at 1.4 V. The present method paves a way for the preparation of other hollow C@metal oxide nanostructures for applications in water environment treatment. (C) 2019 Elsevier B.V. All rights reserved.
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