Abstract Graphite and multiwall carbon nanotube (MWCNT) served as dual dopants to prepare the composite with poly (aniline-co-o-methoxyaniline) copolymer electrochemically. The aniline to o-methoxyaniline monomer feed ratio was screened, with 4 to 1 monomer ratio being optimal. The supercapacitive properties of the prepared dual dopant-doped composite as electrode materials have been investigated and yielded a large specific capacitance of 535.0 F/g under 1.0 A/g current density and showed excellent rate performance, even with large current densities applied (up to 50.0 A/g). The composite remained to give a relatively stable specific capacitance of more than 200.0 F/g after 500 galvanostatic charge-discharge cycles, which afforded better and/or comparable performance compared with other polyaniline-based composite. The composite’s morphological features were characterized with scanning electron microscopy. The results from this study will be significant for the development of conducting polymer-based energy storage materials.

中文翻译：

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聚（苯胺-共-邻-甲氧基苯胺）作为储能材料的应用

摘要 石墨和多壁碳纳米管 (MWCNT) 作为双掺杂剂以电化学方式制备了与聚苯胺-共-邻-甲氧基苯胺共聚物的复合材料。筛选苯胺与邻甲氧基苯胺单体的进料比，4:1 的单体比是最佳的。研究了制备的双掺杂复合材料作为电极材料的超级电容性能，在 1.0 A/g 电流密度下产生了 535.0 F/g 的大比电容，并显示出优异的倍率性能，即使施加大电流密度（高达50.0 A/g)。该复合材料在 500 次恒电流充放电循环后仍保持相对稳定的超过 200.0 F/g 的比电容，与其他基于聚苯胺的复合材料相比具有更好和/或相当的性能。复合材料的形态特征用扫描电子显微镜表征。这项研究的结果对开发导电聚合物基储能材料具有重要意义。