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Highly Stable Carbon Nanotube/Polyaniline Porous Network for Multifunctional Applications

机译:用于多功能应用的高度稳定的碳纳米管/聚苯胺多孔网络

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摘要

Three-dimensional carbon nanotube (CNT) networks with high porosity and electrical conductivity have many potential applications in energy and environmental areas, but the network structure is not very stable due to weak inter-CNT interactions. Here, we coat a thin polyaniline (PANT) layer on as-synthesized CNT sponge to obtain a mechanically and electrically stable network, and enable multifunctional applications. The resulting CNT/PANI network serves as stable strain sensors, highly compressible supercapacitor electrode with enhanced volume-normalized capacitance (632 F/cm(3)), and reinforced nanocomposites with the PANI as intermediate layer between the CNT fillers and polymeric matrix. Our results provide a simple and controllable method for achieving high-stability porous networks composed of CNTs, graphene, or other nanostructures.
机译:具有高孔隙率和导电性的三维碳纳米管(CNT)网络在能源和环境领域具有许多潜在的应用,但是由于CNT间的相互作用较弱,因此网络结构不是很稳定。在这里,我们在合成的CNT海绵上涂覆一层薄的聚苯胺(PANT)层,以获得机械和电气上稳定的网络,并实现了多功能应用。所得的CNT / PANI网络可充当稳定的应变传感器,具有增强的体积归一化电容(632 F / cm(3))的高度可压缩的超级电容器电极,以及具有PANI作为CNT填料和聚合物基体之间的中间层的增强纳米复合材料。我们的结果提供了一种简单且可控的方法,以实现由CNT,石墨烯或其他纳米结构组成的高稳定性多孔网络。

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