Scalable core-spun coating yarn-based triboelectric nanogenerators with hierarchical structure for wearable energy harvesting and sensing via continuous manufacturing
Scalable core-spun coating yarn-based triboelectric nanogenerators with hierarchical structure for wearable energy harvesting and sensing via continuous manufacturing
复制标题
DOI：
10.1016/j.nanoen.2021.106672
复制
发表时间：
2021-11-14
期刊：
影响因子：
17.6
通讯作者：
Yang, Yujue
中科院分区：
文献类型：
--
作者：
Gao, Yuanyuan;Li, Zihua;Yang, Yujue
随着可穿戴电子产品的快速发展，基于纺织品的摩擦电纳米发电机（T-TENG）由于其柔软、轻便和舒适的特性而在能量收集和生物运动传感方面引起了极大的关注。然而，功能材料与纺织品基材之间的界面结合，以及与制造的兼容性仍然面临着相当大的挑战。本文设计并开发了一种具有分层结构的可扩展的基于包芯涂层纱线的摩擦电纳米发电机（CSCY-TENGs），其通过连续制造来集成纱线纺丝、涂层和编织技术以实现完全连续的生产。该方法采用纺丝技术，以镀银尼龙丝（SNY）为芯，绝缘棉纤维为壳，以SNY为电极，棉纤维为基体材料，纺制出一种导电包芯纱。然后采用多根包芯纱包覆尼龙和掺杂聚二甲基硅氧烷作为正负摩擦电材料，通过编织技术实现了多级CSCY-TENG。CSCY-TENG可以清洗，并与工业规模的制造兼容。输出电压为174 V，峰值功率密度为275 mW/m2，平均功率密度为57 mW/m2。作为演示，CSCY-TENG可以为各种商用电容器和低功耗电子设备充电。它还可以用作防盗报警地毯和能量收集鞋，用于生物运动检测和能量收集。
With rapid advancement in wearable electronics, textile-based triboelectric nanogenerators (T-TENGs) have attracted great attention for energy harvesting and bio-motion sensing because of their softness, lightweight, and comfort properties. However, the interface bonding between functional materials and textile substrate, and the compatibility with manufacturing still face considerable challenges. Herein, a kind of scalable core-spun coating yarn-based triboelectric nanogenerators (CSCY-TENGs) with a hierarchical architecture is designed and developed via continuous manufacturing which integrates yarn spinning, coating and braiding technologies to achieve fully continuous production. In this method, spinning technology was used to spin a kind of conductive core-spun yarns with silver-plated nylon yarn (SNY) as core and insulating cotton fibers as shell, where SNY serves as electrode and cotton fibers serve as base materials for absorbing/coating with triboelectric materials. Then multiple core-spun yarns coated with nylon and doped polydimethylsiloxane are used as positive and negative triboelectric materials to realize hierarchical CSCY-TENGs by braiding technology. The CSCY-TENGs can be washed and compatible with industrial-scale manufacturing. Besides, it can achieve an output voltage of 174 V, and a peak power density and an average power density of 275 mW/m2 and 57 mW/m2 respectively. As demonstration, the CSCY-TENG can charge various commercial capacitors and power low-power electronics. It can also be used as an anti-theft alarm carpet and energy harvesting shoes for bio-motion detection and energy harvesting.