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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and electrochemical properties of polyaniline/reduced graphene oxide composites
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Preparation and electrochemical properties of polyaniline/reduced graphene oxide composites

机译：聚苯胺/缩减石墨烯复合材料的制备和电化学性能

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摘要

Polyaniline (PANI)/reduced graphene oxide (rGO) composites were synthesized by in situ oxidative polymerization of aniline on reduced graphene sheets. Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, transmission electron microscopy, and scanning electron microscopy were used to characterize the composites. The results indicated PANI/rGO composites were produced and contained covalent bonds between the functional groups of PANI and rGO. A uniform coating of PANI on the rGO sheets had a synergistic effect on the properties of the composites. The electrochemical properties of the PANI/rGO composites produced using different feed ratios of aniline to rGO were studied. The results showed that the composites exhibited a maximum specific capacitance of 797.5 F/g at 0.5 A/g and minimum charge transfer resistance of 0.98 when the feed ratio of aniline to rGO was 2:1. These values were superior to those of pure PANI and rGO. The composites also displayed excellent cycling stability, with specific capacitance retention of 92.43% after 1000 cycles. These stable structural composites show promise for the development of new supercapacitor applications. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46103.
机译：通过在还原石墨烯片上原位氧化聚合来合成聚苯胺（PANI）/氧化石墨烯（RGO）复合材料。傅里叶变换红外光谱法，X射线衍射，热重分析，透射电子显微镜和扫描电子显微镜用于表征复合材料。结果表明了Pani / Rgo复合材料，并含有Pani和Rgo的官能团之间的共价键。 RGO片材上的PANI均匀涂层对复合材料的性质具有协同作用。研究了使用苯胺与RGO不同饲料比率产生的PANI / RGO复合材料的电化学性质。结果表明，当苯胺与rgo的进料比为2：1时，复合材料在0.5A / g的最大特定电容为0.5 A / g和0.98的最小电荷转移电阻。这些值优于纯PANI和RGO。复合材料还显示出优异的循环稳定性，在1000次循环后具有92.43％的特定电容保留。这些稳定的结构复合材料显示了新超级电容器应用的承诺。 （c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,46103。

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