Electrochemical double-layer capacitor performance of novel carbons derived from SAPO zeolite templates

Wu, Xiaohui, Hong, Xiaoting, Nan, Junmin, Luo, Zhiping, Zhang, Qiuyun, Li, Laisheng, Chen, Hongyu and Hui, K. S. (2012) Electrochemical double-layer capacitor performance of novel carbons derived from SAPO zeolite templates. Microporous and Mesoporous Materials, 160. pp. 25-31. ISSN 1387-1811

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Abstract

Mesoporous carbons have been synthesized using template method by polymerizing and then carbonizing carbon precursor of sucrose accommodated in novel templates of SAPO-11 and SAPO-34 after the removal of templates with NaOH solution (50 vol.% ethanol-50 vol.% H2O). High surface areas and excellent eletrochemical properties of the mesoporous carbons were identified by the Brunauer-Emmett-Teller method, cyclic voltammetry, electrochemical impedance spectroscopy and constant current charge-discharge tests. The surface areas of the sample carbons are the range of 950-975 m2/g, with a narrow pore size between 3.8 and 11.0 nm. The sample carbon derived from SAPO-11 exhibits better electrochemical performance over the one from SAPO-34, with the specific capacitance of 154.8, 113.5 F/g them, respectively, measured in 1 M KOH aqueous solution at the loading current density of 0.25 A/g.

Item Type: Article
Uncontrolled Keywords: electrochemical capacitor,mesoporous carbon,sapo-11,sapo-34,template
Faculty \ School: Faculty of Science > School of Mathematics
Related URLs:
Depositing User: Pure Connector
Date Deposited: 04 Oct 2016 12:02
Last Modified: 16 Sep 2019 08:34
URI: https://ueaeprints.uea.ac.uk/id/eprint/60712
DOI: 10.1016/j.micromeso.2012.04.013

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