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Chang L, Hang Hu Y. 3D Channel-structured graphene as efficient electrodes for capacitive deionization. J Colloid Interface Sci. 2018;538:420-425doi: 10.1016/j.jcis.2018.11.105.
Chang, L., & Hang Hu, Y. (2019). 3D Channel-structured graphene as efficient electrodes for capacitive deionization. Journal of colloid and interface science, 538420-425. https://doi.org/10.1016/j.jcis.2018.11.105
Chang, Liang, and Hang Hu, Yun. "3D Channel-structured graphene as efficient electrodes for capacitive deionization." Journal of colloid and interface science vol. 538 (2019): 420-425. doi: https://doi.org/10.1016/j.jcis.2018.11.105
Chang L, Hang Hu Y. 3D Channel-structured graphene as efficient electrodes for capacitive deionization. J Colloid Interface Sci. 2019 Mar 07;538:420-425. doi: 10.1016/j.jcis.2018.11.105. Epub 2018 Nov 28. PMID: 30530079.
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J Colloid Interface Sci. 2019 Mar 07;538:420-425. doi: 10.1016/j.jcis.2018.11.105. Epub 2018 Nov 28.

3D Channel-structured graphene as efficient electrodes for capacitive deionization.

Journal of colloid and interface science

Liang Chang, Yun Hang Hu

Affiliations

  1. Department of Materials Science and Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931-1295, USA. Electronic address: [email protected].
  2. Department of Materials Science and Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931-1295, USA. Electronic address: [email protected].

PMID: 30530079 DOI: 10.1016/j.jcis.2018.11.105

Abstract

Capacitive deionization (CDI), which is one of up-and-coming water treatment technologies, is based on ion electrostatic adsorption on electrode surface. Herein, three-dimensional channel-structured graphene (CSG), which was synthesized via exothermic reaction between liquid potassium and carbon monoxide gas, was demonstrated as an efficient electrode material for CDI. Namely, the CSG electrode exhibited a specific capacity of 207.4 F/g at 0.2 A/g in 1 M NaCl aqueous solution. In a batch-mode recycling system, the electrosorption capacity of CSG can achieve 5.70 and 9.60 mg/g at 1.5 V in 50 and 295 mg/l NaCl aqueous solutions, respectively. The excellent electrosorption capacity of CSG, especially under low saline concentration, can be attributed to the synergistic effect of its large surface area (711.9 m

Copyright © 2018 Elsevier Inc. All rights reserved.

Keywords: Batch-mode recycling CDI; Capacitive deionization; Channel-structured graphene; Electrochemical double layers

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