Dariush Fallah, Abbas Abdolmaleki, Mohammad Nabi Dehdashti, Mohammad Ali Zarei, Ghasem Oskueyan, Babak Ahmadi
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引用次数: 0
摘要
超级电容器是最独特的高效储能设备之一。超级电容器被称为可再生能源,可替代电池。本研究介绍了一种基于聚苯胺和碳布纤维与氧化石墨烯的新一代超级电容器,其制作方法简单,比容量高,并具有在长时间和多次循环中保持比容量的特性。扫描电子显微镜、傅立叶变换红外光谱、紫外-可见光谱、X 射线衍射、X 射线光电子能谱和热重分析对这种纳米复合材料进行了表征。这种纳米复合材料制成的电极比容量为 420 F g-1,循环 1000 次后,比容量保持率超过 83%,在电流密度为 1 A g-1 时达到 348.6 F g-1。与不使用氧化石墨烯相比,使用氧化石墨烯时比容量的保持率提高了 10%以上。通过在多次循环中保持比容量,这种电极与其他电极相比具有显著优势。这些结果表明,基于碳布纤维/聚苯胺/氧化石墨烯(CFS/PANI/GO)纳米复合材料的电极可以成为一种高性能的环保电极。
A nanocomposite based on carbon cloth fiber/polyaniline/graphene oxide: as a supercapacitor with special performance
Supercapacitors are one of the most unique energy storage devices with high efficiency. Supercapacitors are known as renewable sources and replace batteries. This research presents the making of a new generation of supercapacitors in a simple method with high specific capacity and the property of maintaining specific capacity in long and multiple cycles based on polyaniline and carbon cloth fibers with graphene oxide. This nanocomposite is characterized by scanning electron microscopy, Fourier-transform infrared spectroscopy, ultraviolet–visible spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy and thermogravimetric analysis. The electrode made of this nanocomposite has a specific capacity of 420 F g−1, and after 1000 cycles, it retains more than 83% of the specific capacity, which reaches 348.6 F g−1 at a current density of 1 A g−1. The improvement of retention of specific capacity in the presence of graphene oxide compared to the absence of graphene oxide is more than 10%. This electrode, by maintaining its specific capacity in many cycles, has obtained a significant advantage over other electrodes. These results show that the electrode based on carbon cloth fibers/polyaniline/graphene oxide (CFs/PANI/GO) nanocomposite can be a high-performance and environmentally friendly electrode.
期刊介绍:
JICS is an international journal covering general fields of chemistry. JICS welcomes high quality original papers in English dealing with experimental, theoretical and applied research related to all branches of chemistry. These include the fields of analytical, inorganic, organic and physical chemistry as well as the chemical biology area. Review articles discussing specific areas of chemistry of current chemical or biological importance are also published. JICS ensures visibility of your research results to a worldwide audience in science. You are kindly invited to submit your manuscript to the Editor-in-Chief or Regional Editor. All contributions in the form of original papers or short communications will be peer reviewed and published free of charge after acceptance.