LIU Wei-feng, YANG Yong-zhen, LIU Xu-guang, XU Bing-she. Preparation and electrochemical performance of a polyaniline-carbon microsphere hybrid as a supercapacitor electrode. New Carbon Mater., 2016, 31(6): 594-599. doi: 10.1016/S1872-5805(16)60035-5
Citation: LIU Wei-feng, YANG Yong-zhen, LIU Xu-guang, XU Bing-she. Preparation and electrochemical performance of a polyaniline-carbon microsphere hybrid as a supercapacitor electrode. New Carbon Mater., 2016, 31(6): 594-599. doi: 10.1016/S1872-5805(16)60035-5

Preparation and electrochemical performance of a polyaniline-carbon microsphere hybrid as a supercapacitor electrode

doi: 10.1016/S1872-5805(16)60035-5
Funds:  National Natural Science Foundation of China (21176169, 51152001); International Science & Technology Cooperation Program of China (2012DFR50460); Shanxi Provincial Key Innovative Research Team in Science and Technology (2015013002-10); Natural Science Foundation of Shanxi Province (201601D021043); Special/Youth Foundation of Taiyuan University of Technology (2014TD015).
  • Received Date: 2016-07-26
  • Accepted Date: 2016-12-26
  • Rev Recd Date: 2016-10-29
  • Publish Date: 2016-12-28
  • A polyaniline-carbon microsphere (PANI-CMS) hybrid was prepared by an electrochemical deposition method and used as an electrode for supercapacitors. Field emission scanning electron microscopy and Fourier transform infra-red spectroscopy were used to characterize its morphology and structure. The supercapacitive performance of the hybrid was investigated by cyclic voltammetry, galvanostatic charge/discharge, electrochemical impedance spectroscopy and cycling tests. Results indicate that polyaniline is uniformly coated on the outer surfaces of the CMSs by the electrochemical deposition. The hybrid has a specific capacitance of 206 F·g-1 at a current density of 1 A·g-1. It has a higher specific capacitance and more stable cycle performance than PANI, which is ascribed to a synergistic effect between the PANI and the CMSs.
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