We report the synthesis of a CNT-TEPA@PEPy hybrid material by the copolymerization of EDOT and Py analogs units covalently bonded to TEPA modified carbon nanotubes (CNTs). The chemical structure and morphology of the hybrid were compared to those of the unmodified CNTs using FTIR, Raman and XPS spectroscopies. The hybrid was applied as the electrode active material in symmetric supercapacitors (SCs) which were evaluated in aqueous and organic (acetonitrile) electrolytes to study the versatility of the as-synthesized CNT-TEPA@PEPy. The capacitances values of the cells obtained from the hybrid-based SCs are 56% and 115% higher than those of the cells prepared with the unmodified CNT in organic and aqueous electrolytes, respectively. The full cells assembled with CNT-TEPA@PEPy exhibited excellent cyclability with 81.3% and 77.5% of capacitance retention after 5000 cycles in aqueous and organic media, respectively. The device properties indicate the feasibility of the applied synthetic approach, showing that the prepared hybrid is a promising material for use in highly cyclable supercapacitors.

我们报告了通过共价键合到TEPA修饰的碳纳米管（CNT）的EDOT和Py类似物单元的共聚反应，合成了CNT-TEPA @ PEPy杂化材料。使用FTIR，拉曼光谱和XPS光谱学将杂化物的化学结构和形态与未修饰的CNT的化学结构和形态进行比较。将杂化物用作对称超级电容器（SC）中的电极活性材料，该对称超级电容器在水性和有机（乙腈）电解质中进行了评估，以研究合成后的CNT-TEPA @ PEPy的多功能性。从混合型SC获得的电池的电容值分别比在有机和水性电解质中用未经修饰的CNT制备的电池的电容值高56％和115％。用CNT-TEPA @ PEPy组装的全电池显示出极好的可循环性，分别为81.3％和77。在水性和有机介质中经过5000次循环后，电容保持率分别为5％。器件的性能表明了所应用合成方法的可行性，表明所制备的混合材料是用于高度可循环超级电容器的有前途的材料。