High-Performance Flexible Magnetic Textile Fabricated Using Porous Juncus effusus Fiber for Biomechanical Energy Harvesting

IF 10.1 1区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Engineering Pub Date : 2025-03-01 DOI:10.1016/j.eng.2024.06.002

Junyao Gong , Chunhua Zhang , Liangjun Xia , Zhaozixuan Zhou , Weihao Long , Zhuan Fu , Sijie Zhou , Hua Ji , Lixin Du , Weilin Xu

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引用次数: 0

Abstract

Mechanical energy produced by human motion is ubiquitous, continuous, and usually not utilized, making it an attractive target for sustainable electricity-harvesting applications. In this study, flexible magnetic-Juncus effusus (M-JE) fibers were prepared from plant-extracted three-dimensional porous Juncus effusus (JE) fibers decorated with polyurethane and magnetic particles. The M-JE fibers were woven into fabrics and used for mechanical energy harvesting through electromagnetic induction. The M-JE fabric and induction coil, attached to the human wrist and waist, yielded continuous and stable voltage (2 V) and current (3 mA) during swinging. The proposed M-JE fabric energy harvester exhibited good energy harvesting potential and was capable of quickly charging commercial capacitors to power small electronic devices. The proposed M-JE fabric exhibited good mechanical energy harvesting performance, paving the way for the use of natural plant fibers in energy-harvesting fabrics.

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利用多孔积液结纤维制备高性能柔性磁性纺织品用于生物力学能量收集

人体运动产生的机械能无处不在，连续不断，通常不被利用，使其成为可持续电力收集应用的一个有吸引力的目标。本研究以植物提取的三维多孔积液Juncus effusus （JE）纤维为材料，经聚氨酯和磁性颗粒修饰，制备了柔性磁性积液Juncus effusus （M-JE）纤维。M-JE纤维被编织成织物，并通过电磁感应用于机械能收集。M-JE织物和感应线圈附着在人的手腕和腰部，在摆动过程中产生连续稳定的电压（2 V）和电流（3 mA）。所提出的M-JE织物能量收集器显示出良好的能量收集潜力，能够快速为商用电容器充电，为小型电子设备供电。M-JE织物具有良好的机械能量收集性能，为天然植物纤维在能量收集织物中的应用铺平了道路。

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来源期刊

Engineering Environmental Science-Environmental Engineering

自引率

1.60%

发文量

335

审稿时长

35 days

期刊介绍： Engineering, an international open-access journal initiated by the Chinese Academy of Engineering (CAE) in 2015, serves as a distinguished platform for disseminating cutting-edge advancements in engineering R&D, sharing major research outputs, and highlighting key achievements worldwide. The journal's objectives encompass reporting progress in engineering science, fostering discussions on hot topics, addressing areas of interest, challenges, and prospects in engineering development, while considering human and environmental well-being and ethics in engineering. It aims to inspire breakthroughs and innovations with profound economic and social significance, propelling them to advanced international standards and transforming them into a new productive force. Ultimately, this endeavor seeks to bring about positive changes globally, benefit humanity, and shape a new future.