A high strength triboelectric nanogenerator based on rigid-flexible coupling design for energy storage system
A high strength triboelectric nanogenerator based on rigid-flexible coupling design for energy storage system
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一种基于刚柔耦合设计的高强度摩擦纳米发电机储能系统
DOI：
10.1016/j.nanoen.2019.104259
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发表时间：
2020
期刊：
影响因子：
17.6
通讯作者：
Zhu Zhiyuan
中科院分区：
文献类型：
--
作者：
Xia Kequan;Tang Haichao;Fu Jiangming;Tian Yang;Xu Zhiwei;Lu Jianguo;Zhu Zhiyuan
近年来，由于全球环境污染和化石燃料的枯竭，高效的绿色能量转换和存储系统引起了人们的关注。本文首次提出了一种基于刚-柔耦合设计的新型摩擦电纳米发电机（RF-TENG），该发电机采用丙烯酸酯结构胶（ASG）和丙烯酸凝胶（SAG）作为摩擦电材料。通过在泡沫镍表面包覆ASG/SAG，可以制备出完全填充的ASG层和SAG层，泡沫镍起到导电电极的作用。值得注意的是，刚性ASG层和柔性SAG层的合理搭配可以在摩擦生电过程中实现充分有效的接触，从而提高输出性能。此外，RF-TENG可以在恶劣的环境中工作。相应的电学性能，如峰值短路电流（Isc）、开路电压（Voc）和输出功率密度分别可达到42 μA、345 V和143 μW/cm 2，并且122个商用发光二极管（LED）可被RF-TENG轻松点亮。此外，设计了一种有效的能量转换和存储策略，并通过所提出的电源管理电路（PMC），显著提高了MnSe-SC的充电效率。由于其高效的能量转换和储存性能，该研究被认为对推动绿色能源的实际应用具有很好的前景。
Recently, efficient green energy conversion and storage systems attracts attention due to global environmental pollution and the depletion of fossil fuels. Here, we firstly proposed a novel triboelectric nanogenerator based on the rigid-flexible coupling design (RF-TENG) using the acrylate structure glue (ASG) and the silicic acid gel (SAG) as triboelectric materials. The fully packed ASG layer and SAG layer can be easily prepared by coating ASG/SAG on the Ni foam surface, and Ni foam plays the role of conductive electrode. Remarkably, the reasonable collocation of a rigid ASG layer and soft SAG layer can bring full and effective contact during the triboelectricity process for enhancing the output performance. Moreover, the RF-TENG can work in adverse environment. The corresponding electrical properties, such as the peak value short-circuit current (Isc), open-circuit voltage (Voc), and output power density can achieve 42 μA, 345 V, and 143 μW/cm2, respectively, and 122 commercial light-emitting diodes (LEDs) can be easily lighted up by the RF-TENG. Except for that, an effective strategy for energy conversion and storage was designed, and through the proposed power management circuit (PMC), the charging efficiency of MnSe-Supercapacitor (MnSe-SC) has been significantly improved. Due to the high performance of energy conversion and storage, this research is considered promising for promoting the practical application of green energy.
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