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Aqueous, interfacial, and electrochemical polymerization pathways of aniline with thiophene: Nano size materials for supercapacitor

机译:苯胺与噻吩的水,界面和电化学聚合途径:超级电容器的纳米级材料

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Aniline was mixed with thiophene and oxidized by ammonium persulfate in the presence of sulfuric acid via an aqueous polymerization pathway (PAT-AP). Aqueous polymerization was also carried by sodium lauryl sulfate surfactant, and also by interfacial and electrochemical polymerization pathways. Polymers prepared were characterized by physical, spectral, and electrochemical methods. Nanofibers (30-60 nm diameter) was obtained in the case of aqueous polymerization pathway, whereas interfacial (40-60 nm) and electrochemical polymerization pathways show particulate (500-600 nm) morphology. Polymer samples were used as electrode materials in supercapacitor. Among the four different pathways, PAT-AP nanofibers show higher capacitance of 614 F g(-1) at 1 mV s(-1). The values of specific capacitance, energy, and power densities of PAT-AP were found to be 400 F g(-1), 20 W h kg(-1) and 1200 W kg(-1), respectively, at a current density of 2 A g(-1). The retention capacitance is 78% after completion of 1000 cycles. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42013.
机译:将苯胺与噻吩混合,并在硫酸存在下,通过水性聚合路径(PAT-AP),在硫酸中将过硫酸铵氧化。月桂基硫酸钠表面活性剂,以及界面和电化学聚合途径也进行了水性聚合。所制备的聚合物通过物理,光谱和电化学方法进行表征。在水性聚合路径的情况下,获得了纳米纤维(直径为30-60 nm),而界面(40-60 nm)和电化学聚合路径则显示出颗粒(500-600 nm)形态。聚合物样品用作超级电容器中的电极材料。在四种不同的途径中,PAT-AP纳米纤维在1 mV s(-1)时显示出更高的614 F g(-1)电容。在电流密度下,PAT-AP的比电容,能量和功率密度分别为400 F g(-1),20 W h kg(-1)和1200 W kg(-1)。 2 A g(-1)。完成1000个循环后,保留电容为78%。 (c)2015 Wiley Periodicals,Inc. J. Appl。 Polym。科学2015,132,42013。

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