基于 PEO/半胱氨酸复合纳米纤维的微型机械能采集三电纳米发电机

IF 10.7 2区 材料科学 Q1 CHEMISTRY, PHYSICAL
Yijun Hao, Jiayi Yang, Xiaopeng Zhu, Keke Hong, Jiayu Su, Yong Qin, Wei Su, Hongke Zhang, Chuguo Zhang and Xiuhan Li
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引用次数: 0

摘要

三电纳米发电机(TENG)是一种很有前途的获取机械能的方法。然而,传统的高分子三电材料会对环境造成负担,天然/可生物降解的三电材料也存在输出性能差的缺点。为此,我们提出了一种由生物可降解聚合物 PEO 和天然半胱氨酸制备而成的聚氧化乙烯(PEO)/半胱氨酸复合纳米纤维膜(PCF)。由于 PEO 和半胱氨酸具有优异的三正特性,含有 4 wt% 半胱氨酸的 PCF 基 TENG(PC-TENG)的电性能是纯 PEO 纳米纤维膜的数倍。此外,PC-TENG 还能获得更高的功率密度(6.6 W/m2),是使用相关环保材料作为三联结层的研究结果的 3-110 倍。重要的是,我们设计了由 4 层 PC-TENG 构成的多层漏斗状 TENG(MF-TENG),通过集成电源管理电路,它可以有效地收集各种微小的机械能,从而构建自供电电子设备。这项研究为基于天然环保材料的 TENG 在物联网能量采集和供电领域的实际应用提供了一种有效方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

PEO/cysteine composite nanofiber-based triboelectric nanogenerators for harvesting tiny mechanical energy†

PEO/cysteine composite nanofiber-based triboelectric nanogenerators for harvesting tiny mechanical energy†

Triboelectric nanogenerators (TENGs) are promising devices for capturing mechanical energy. However, traditional polymer triboelectric materials result in a burden to the environment, and the natural/biodegradable tribo-materials have the disadvantage of poor output performance. For this purpose, we proposed a polyethylene oxide (PEO)/cysteine composite nanofiber film (PCF) which is prepared from biodegradable polymer PEO and natural cysteine. Thanks to the superior tribo-positive properties of PEO and cysteine, the electrical performance of a PCF-based TENG (PC-TENG) with 4 wt% cysteine is several times greater than that of a pure PEO nanofiber film. In addition, the PC-TENG exhibits better power density (6.6 W m−2), which is 3–110 times more than that in studies using related eco-friendly materials as the tribo-layer. Importantly, we designed a multi-layer funnel-shaped TENG (MF-TENG) constructed from 4 layers of PC-TENG, which can effectively harvest tiny mechanical energy to build self-powered electronic devices by integrating a power management circuit. This research offers an efficient approach for the practical application of natural and environmental-friendly material-based TENGs in energy harvesting and power supply in the Internet of Things.

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来源期刊
Journal of Materials Chemistry A
Journal of Materials Chemistry A CHEMISTRY, PHYSICAL-ENERGY & FUELS
CiteScore
19.50
自引率
5.00%
发文量
1892
审稿时长
1.5 months
期刊介绍: The Journal of Materials Chemistry A, B & C covers a wide range of high-quality studies in the field of materials chemistry, with each section focusing on specific applications of the materials studied. Journal of Materials Chemistry A emphasizes applications in energy and sustainability, including topics such as artificial photosynthesis, batteries, and fuel cells. Journal of Materials Chemistry B focuses on applications in biology and medicine, while Journal of Materials Chemistry C covers applications in optical, magnetic, and electronic devices. Example topic areas within the scope of Journal of Materials Chemistry A include catalysis, green/sustainable materials, sensors, and water treatment, among others.
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