Arrayed-Smart Bracelet with Dielectrically Enhanced Hydrophobicity for Swimming Instructions

IF 8.2 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY ACS Applied Materials & Interfaces Pub Date : 2025-04-19 DOI:10.1021/acsami.4c22265

Ce Zhang, Wen Jiang, Yunjia Cui, Yating An, Lin Peng, Qiuxiang Yang, Jiandan Liang, Ning Wang, Xia Cao

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Abstract

Triboelectric nanogenerators (TENGs) offer new avenues for the development of sustainable energy conversion and self-powered smart devices, where new triboelectric materials with high dielectric constant may be the key for enhancing the surface charge density and output. In this study, different concentrations of barium titanate (BTO) nanoparticles are introduced into the polycarbonate (PC) matrix using the phase inversion technique. A high-performance TENG (PB-TENG) was then developed with a power density of 436 mW/m² using the as-synthesized PC/BTO composite film as the positive triboelectric electrode material. Compared to PB-TENG at 0% BTO doping, the peak power density was increased by 153%. This enhancement of power output should be attributed to the synergistic effect of increased dielectric constant and surface roughness of the composite film. The Arrayed-Smart Bracelet (A-SB) is designed for health monitoring and motion recognition in swimming, offering high sensitivity, stability, and selectivity for self-powered water sports safety monitoring.

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阵列智能手环与介电增强疏水性游泳指令

摩擦电纳米发电机（TENGs）为可持续能量转换和自供电智能器件的发展提供了新的途径，其中具有高介电常数的新型摩擦电材料可能是提高表面电荷密度和输出的关键。在本研究中，采用相转化技术将不同浓度的钛酸钡（BTO）纳米颗粒引入聚碳酸酯（PC）基体中。然后，以合成的PC/BTO复合薄膜为正摩擦电极材料，开发了功率密度为436 mW/m2的高性能TENG （PB-TENG）。与0% BTO掺杂的PB-TENG相比，峰值功率密度提高了153%。这种功率输出的增强应归因于增加的介电常数和复合膜的表面粗糙度的协同效应。阵列智能手环（A-SB）专为游泳中的健康监测和运动识别而设计，为自供电水上运动安全监测提供高灵敏度，稳定性和选择性。

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来源期刊

ACS Applied Materials & Interfaces 工程技术-材料科学：综合

CiteScore

16.00

自引率

6.30%

发文量

4978

审稿时长

1.8 months

期刊介绍： ACS Applied Materials & Interfaces is a leading interdisciplinary journal that brings together chemists, engineers, physicists, and biologists to explore the development and utilization of newly-discovered materials and interfacial processes for specific applications. Our journal has experienced remarkable growth since its establishment in 2009, both in terms of the number of articles published and the impact of the research showcased. We are proud to foster a truly global community, with the majority of published articles originating from outside the United States, reflecting the rapid growth of applied research worldwide.