MXene Lubricated Tribovoltaic Nanogenerator with High Current Output and Long Lifetime

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Nano-Micro Letters Pub Date : 2023-10-07 DOI:10.1007/s40820-023-01198-z

Wenyan Qiao, Linglin Zhou, Zhihao Zhao, Peiyuan Yang, Di Liu, Xiaoru Liu, Jiaqi Liu, Dongyang Liu, Zhong Lin Wang, Jie Wang

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Abstract

Highlights

Successfully solves the key issue of tribovoltaic nanogenerators (TVNGs) lifetime (90,000 cycles) and improves its output current density (754 mA m⁻²) simultaneously.
Conductive polar liquid with MXene as additive is proposed as the dominant factor in enhancing the electrical output performance and durability of TVNG simultaneously.
The mechanism of lubricated TVNG with enhanced output performance is explained from the perspective of solution polarity at the first time.
Mxene solution exhibits universality in different types of semiconductor systems (Cu and P-type Si, and Cu and N-GaAs as material pairs).

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MXene润滑的具有高电流输出和长寿命的摩擦学纳米发电机。

三电压纳米发电机具有高电流密度、低匹配阻抗和连续输出的特点，有望解决小型电子设备的电源问题。然而，摩擦界面的磨损会严重降低TVNG的性能和寿命。在这里，我们使用MXene溶液作为润滑剂，以同时提高TVNG的输出电流密度和寿命，其中实现了754 mA m-2的高值，并实现了90000次循环的创纪录耐久性。通过比较不同极性的多种液体润滑剂，我们发现以MXene为添加剂的导电极性液体对提高TVNG的电输出性能和耐久性起着至关重要的作用。此外，MXene溶液的通用性在以Cu和P型Si以及Cu和N-GaAs为材料对的各种TVNG中得到了很好的证明。这项工作可以指导和加速TVNG在未来的实际应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

42.40

自引率

4.90%

发文量

715

审稿时长

13 weeks

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary and open-access journal that focus on science, experiments, engineering, technologies and applications of nano- or microscale structure and system in physics, chemistry, biology, material science, pharmacy and their expanding interfaces with at least one dimension ranging from a few sub-nanometers to a few hundreds of micrometers. Especially, emphasize the bottom-up approach in the length scale from nano to micro since the key for nanotechnology to reach industrial applications is to assemble, to modify, and to control nanostructure in micro scale. The aim is to provide a publishing platform crossing the boundaries, from nano to micro, and from science to technologies.