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Citation: LIU Ning. Influence of ZnCl2 Activation on Structure and Electrochemical Performance of Carbon Aerogel Spheres[J]. Chinese Journal of Inorganic Chemistry, ;2013, 29(3): 551-556. doi: 10.3969/j.issn.1001-4861.2013.00.123 shu

Influence of ZnCl2 Activation on Structure and Electrochemical Performance of Carbon Aerogel Spheres

  • 1.

    School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China

  • Received Date: 31 October 2012
    Available Online: 7 December 2012

    Fund Project: 新型聚合物材料设计合成与应用广东省高校重点实验室课题(No.0110106) (No.0110106)广东省中医药局科研项目(No.2010416)资助项目。 (No.2010416)

  • Carbon aerogel spheres were activated by zinc chloride (ZnCl2), and the activated products were made into the electrodes of supercapacitor. The pore structure of carbon aerogel spheres was investigated by SEM and N2 adsorption. The electrochemical properties were tested by cyclic voltammetry (CV), AC impedance and constant current charge/discharge methods. The experimental results showed that the pore structure of carbon aerogel spheres was improved after ZnCl2 activation, then the surface area and porosity were increased through the increasing of micropore surface area and volume. Consequently the capacitance properties of the prepared electrodes were enhanced, the resistance decreased and the capacitance were increased twice.
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