Metal–organic framework-engaged formation of a hierarchical hybrid with carbon nanotube inserted porous carbon polyhedra for highly efficient capacitive deionization

Xingtao Xu; Miao Wang; Yong Liu; Ting Lu; Likun Pan

doi:10.1039/C6TA00618C

Metal–organic framework-engaged formation of a hierarchical hybrid with carbon nanotube inserted porous carbon polyhedra for highly efficient capacitive deionization†

Xingtao Xu,‡^a Miao Wang,‡^a Yong Liu,^a Ting Lu^a and Likun Pan

*^a

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* Corresponding authors

^a Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, Shanghai Key Laboratory of Magnetic Resonance, Department of Physics, East China Normal University, Shanghai 200062, China
E-mail: lkpan@phy.ecnu.edu.cn
Fax: +86 21 62234321
Tel: +86 21 62234132

Abstract

Capacitive deionization (CDI) is an emerging desalination technique to offer clean water. In order to obtain high CDI performance, a rationally designed structure of electrode materials has been an urgent need for CDI application. Here for the first time a hierarchical porous carbon nanotube (CNT)/porous carbon polyhedra (PCP) (hCNT/PCP) hybrid was fabricated via in situ insertion of CNTs into ZIF-8 and a subsequent pyrolysis process. The potential of the hCNT/PCP hybrid for CDI application was demonstrated, and the results indicate that the hCNT/PCP hybrid exhibits a high electrosorption capacity of 20.5 mg g⁻¹ with stable cycling stability due to its novel CNT-inserted-PCP porous structure, high specific surface area and good electrical conductivity. It should be expected that hCNTs/PCP should be a promising candidate for highly efficient CDI electrode materials.

This article is part of the themed collection: 2016 Journal of Materials Chemistry A HOT Papers

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DOI: https://doi.org/10.1039/C6TA00618C
Article type: Paper
Submitted: 22 Jan 2016
Accepted: 14 Mar 2016
First published: 14 Mar 2016

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J. Mater. Chem. A, 2016,4, 5467-5473

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Metal–organic framework-engaged formation of a hierarchical hybrid with carbon nanotube inserted porous carbon polyhedra for highly efficient capacitive deionization

X. Xu, M. Wang, Y. Liu, T. Lu and L. Pan, J. Mater. Chem. A, 2016, 4, 5467 DOI: 10.1039/C6TA00618C

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Journal of Materials Chemistry A

Metal–organic framework-engaged formation of a hierarchical hybrid with carbon nanotube inserted porous carbon polyhedra for highly efficient capacitive deionization†

Abstract

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Metal–organic framework-engaged formation of a hierarchical hybrid with carbon nanotube inserted porous carbon polyhedra for highly efficient capacitive deionization

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