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Preparation and Capacitance Properties of Polyaniline/Carbon Microcoil Composites |
ZHU Shize, TANG Guoxia, WANG Jian, LU Juan, ZHU Yabo**( ) |
(School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou 221116, China) |
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Cite this article:
ZHU Shize, TANG Guoxia, WANG Jian, LU Juan, ZHU Yabo. Preparation and Capacitance Properties of Polyaniline/Carbon Microcoil Composites. Chinese Journal of Materials Research, 2016, 30(3): 186-191.
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Abstract Composites of polyaniline/carbon microcoils (PANI/CMCs) were prepared by microemulsion-polymerization method. The observation by scanning electron microscopy (SEM) showed that the surface of the CMCs became rough due to the coverage of PANI on the surface after the synthesis process. The infrared spectroscopy measurement proved the presence of chemical bonding between PANI and CMCs. When the volume ratio of chloroform, as co-emulsifier, to the total reaction matters was 1: 24, the maximum amount of PANI coverage can be acquired, which well grafted on the surface of CMCs. Results of constant current charge-discharge and cyclic voltammetry tests show that in comparison with the single PANI or CMCs, the composites possess superior capacitive performance with a specific capacitance 134.8 F·g-1 and an excellent cycling stability with a remaining capacitance 63.3% after 750 cycles.
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Received: 29 June 2015
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Fund: *Supported by Students Innovation-University-Level Key Program No. XZD1029014188. |
About author: **To whom correspondence should be addressed, Tel: 13952267189, E-mail: zhuyabo@163.com |
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