嵌入 rGO 的聚合物纳米复合层可提高三电纳米发电机的性能

IF 2.2 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Shilpa Rana, Bharti Singh
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引用次数: 0

摘要

基于接触电化和静电感应原理的三电纳米发电机(TENG)可将环境机械能转化为有用的电能,是满足低功率电子设备能源需求的一种前景广阔的能源。在这里,通过将还原氧化石墨烯(rGO)纳米片嵌入作为摩擦层之一的聚偏二氟乙烯(PVDF)基体中,设计出了一种基于聚合物纳米复合薄膜的三电纳米发电机。我们构建了基于 PVDF 纳米复合薄膜的 TENG,并对不同重量百分比的 rGO 纳米填料(0.0 wt%、0.5 wt%、1.0 wt%、1.5 wt% 和 2.0 wt%)进行了结构、电气和表面性能测试。实验结果表明,在 PVDF 基体中添加 rGO 能显著提高 TENG 器件的输出性能。含有 1.5 wt% rGO 的 TENG 器件的最大输出电压和电流分别为 95.9 V 和 16.8 μA,分别是基于原始 PVDF 薄膜的 TENG 器件的 3 倍和 7 倍。纳米发电机性能的提高归功于在聚合物基体中添加了导电纳米填料,通过形成传导网络提高了聚合物纳米复合薄膜的表面电荷密度,从而实现了更有效的电荷转移。此外,纳米发电机的输出被储存在电容器中,用于驱动商用 LED,这揭示了 TENGs 在设计自供电电子设备方面的潜在应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

rGO-Embedded Polymer Nanocomposite Layer for Improved Performance of Triboelectric Nanogenerator

rGO-Embedded Polymer Nanocomposite Layer for Improved Performance of Triboelectric Nanogenerator

A triboelectric nanogenerator (TENG) working on a contact electrification and electrostatic induction principle is a promising energy source for fulfilling the energy demand of low power electronic devices by converting the ambient mechanical energy to useful electrical energy. Here, a polymer nanocomposite film-based triboelectric nanogenerator has been designed by embedding reduced graphene oxide (rGO) nanosheets in a polyvinylidene fluoride (PVDF) matrix as one of the friction layers. The PVDF nanocomposite film-based TENG was constructed and examined for structural, electrical, and surface properties with varied weight percentages of rGO nanofillers (0.0 wt%, 0.5 wt%, 1.0 wt%, 1.5 wt%, and 2.0 wt%). The experimental results demonstrate that the addition of rGO in a PVDF matrix considerably increased the output performance of the TENG device. The TENG device with 1.5 wt% of rGO can deliver the maximum output voltage and current of 95.9 V, and 16.8 μA, respectively, which are ~ 3 and ~ 7 times the voltage and current produced by pristine PVDF film-based TENG. The enhanced performance of the nanogenerator is attributed to the addition of conductive nanofillers in the polymer matrix which improves the surface charge density of polymer nanocomposite films by forming a conduction network, resulting in more effective charge transfer. Moreover, the output of the nanogenerator is stored in the capacitor and used to drive commercial LEDs, revealing the TENGs' potential applications for designing self-powered electronic devices.

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来源期刊
Journal of Electronic Materials
Journal of Electronic Materials 工程技术-材料科学:综合
CiteScore
4.10
自引率
4.80%
发文量
693
审稿时长
3.8 months
期刊介绍: The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications. Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field. A journal of The Minerals, Metals & Materials Society.
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