Probing the Electro-Chemical and Thermal Properties of Polyaniline/MWCNT Nanocomposites

S. J. Paul, Sarvesh Kumar Singh, Jaya Tuteja, A. Sand, P. Chandra
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引用次数: 1

Abstract

The tremendous interest for robust, clean energy storage devices to comprehend the growing needs of modern gadgets has led to exploration of materials having unprecedented electrochemical and interfacial properties. Here, the present study deals with the synergistic effects of multi walled carbon nanotubes and polyaniline nanocomposites on the electro-chemical and thermal properties for wide-range of applications. The microstructural, structural, and optical characterizations have been evaluated through scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and UV-Vis spectrophotometry. The thermal stability of the product was also studied through thermal gravimetric analysis (TGA) and the room temperature electrical conductivity was also measured. An exceptional enhancement in thermal stability and conductivity has been observed apparently due to interfacial properties of polyaniline (PANI) and multiwalled carbon nanotubes (MWCNTs). Further, in present study we are going to report a comparative analysis of thermal and electrical properties of PANI/MWCNT nanocomposites with different loadings of MWCNTs. The room temperature conductivity as calculated for 1%, 2%, 4% and 8% MWCNT loading is around 2.019, 3.075, 4.48, 8.73 S/cm respectively. The mechanism for thermal and electrical enhancements in PANI-coated MWCNT nanocomposites is also expounded.
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聚苯胺/MWCNT纳米复合材料的电化学和热性能研究
为了满足现代设备日益增长的需求,人们对强大的清洁能源存储设备产生了巨大的兴趣,这导致了对具有前所未有的电化学和界面特性的材料的探索。本文研究了多壁碳纳米管和聚苯胺纳米复合材料在电化学和热性能方面的协同效应,具有广泛的应用前景。通过扫描电子显微镜(SEM)、透射电子显微镜(TEM)、x射线衍射(XRD)、傅里叶变换红外光谱(FTIR)和紫外可见分光光度法对其微观结构、结构和光学特性进行了评价。通过热重分析(TGA)研究了产物的热稳定性,并测定了产物的室温电导率。聚苯胺(PANI)和多壁碳纳米管(MWCNTs)的界面特性明显增强了材料的热稳定性和导电性。此外,在本研究中,我们将对不同MWCNTs负载的聚苯胺/MWCNT纳米复合材料的热学和电学性能进行比较分析。在1%、2%、4%和8% MWCNT负载下,室温电导率分别约为2.019、3.075、4.48和8.73 S/cm。并阐述了聚苯胺包覆MWCNT纳米复合材料的热学和电学增强机理。
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