3-D woven triboelectric nanogenerators with integrated friction, spacer, and electrode layers for wearable energy harvesting and mechanical sensing

IF 16.8 1区 材料科学 Q1 CHEMISTRY, PHYSICAL
Zhaotong Li, Huihao Huang, Jiahao Shen, Yuan Gao, Xinghai Zhou, Yongfang Qian, Gang Wang, Kai Dong, Lihua Lyu
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引用次数: 0

Abstract

Textile-based triboelectric nanogenerators (T-TENGs) inject new vitality into smart wearable electronic textiles (e-textiles) with low power consumption and high flexibility due to their excellent shape adaptability. However, most t-TENGs are fabricated using physical or chemical processes to give the materials specific properties, with the disadvantages of high material requirements, complex and time-consuming fabrication processes, and impact on the comfort of the textiles. In this study, a three-dimensional woven triboelectric nanogenerator (3DW-TENG) with integrated friction, spacer, and electrode layers was fabricated by using a three-dimensional weaving technology. By combining experimental testing and theoretical analysis, the study investigated the impact of the arrangement of friction materials and the number of friction layers on the performance of the 3DW-TENG. At a frequency of 1 Hz and under an external force of 30 N, the open-circuit voltage, short-circuit current, and peak power density of the 3DW-TENG reached 9.38 V, 31.65 nA, and 2.16 × 10-2 mW/m2. The three-dimensional fabric structure gave it better integrity and stability. In addition, the 3DW-TENG exhibited excellent flexibility and sensitivity, which allowed for better integration with textiles. It was capable of converting mechanical energy into electrical energy and powering micro-devices. It could also sensitively detect the bending and changes in the motion state at important joints. When placed at the sole of the foot, it could serve as a self-powered pressure sensor to identify changes in foot pressure. This work provides greater development space for the potential applications of flexible self-powered textiles in the fields of wearable electronics and personalized healthcare.

Abstract Image

三维编织摩擦电纳米发电机集成摩擦,间隔,和电极层可穿戴的能量收集和机械传感
基于纺织品的摩擦纳米发电机(t - teng)以其优异的形状适应性,为低功耗、高柔韧性的智能可穿戴电子纺织品注入了新的活力。然而,大多数t- teng是使用物理或化学工艺制造的,以赋予材料特定的性能,其缺点是材料要求高,制造过程复杂且耗时,并且影响纺织品的舒适性。本研究采用三维编织技术,制作了集摩擦层、间隔层和电极层于一体的三维编织摩擦电纳米发电机(3DW-TENG)。通过实验测试和理论分析相结合,研究了摩擦材料布置和摩擦层数对3DW-TENG性能的影响。在1 Hz频率和30 N外力作用下,3DW-TENG的开路电压、短路电流和峰值功率密度分别达到9.38 V、31.65 nA和2.16 × 10-2 mW/m2。立体的织物结构使其具有更好的完整性和稳定性。此外,3DW-TENG表现出出色的灵活性和灵敏度,这使得它可以更好地与纺织品结合。它能够将机械能转化为电能,为微型设备供电。它还可以灵敏地检测出重要关节的弯曲和运动状态的变化。当放置在脚底时,它可以作为一个自供电压力传感器来识别脚底压力的变化。这项工作为柔性自供电纺织品在可穿戴电子和个性化医疗领域的潜在应用提供了更大的发展空间。
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来源期刊
Nano Energy
Nano Energy CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY
CiteScore
30.30
自引率
7.40%
发文量
1207
审稿时长
23 days
期刊介绍: Nano Energy is a multidisciplinary, rapid-publication forum of original peer-reviewed contributions on the science and engineering of nanomaterials and nanodevices used in all forms of energy harvesting, conversion, storage, utilization and policy. Through its mixture of articles, reviews, communications, research news, and information on key developments, Nano Energy provides a comprehensive coverage of this exciting and dynamic field which joins nanoscience and nanotechnology with energy science. The journal is relevant to all those who are interested in nanomaterials solutions to the energy problem. Nano Energy publishes original experimental and theoretical research on all aspects of energy-related research which utilizes nanomaterials and nanotechnology. Manuscripts of four types are considered: review articles which inform readers of the latest research and advances in energy science; rapid communications which feature exciting research breakthroughs in the field; full-length articles which report comprehensive research developments; and news and opinions which comment on topical issues or express views on the developments in related fields.
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