基于碳纳米管掺杂聚氨酯纳米复合材料的摩擦电纳米发电机：高效机械能收集和自供电运动传感平台。

IF 8.3 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Materials & Interfaces Pub Date : 2025-06-21 DOI:10.1021/acsami.5c05754

Shujie Yang,Dmitry V Goncharenko,Puguang Ji,Natalia A Grozova,Alexander V Semencha,Tatiana V Larionova,Oleg V Tolochko

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引用次数: 0

摘要

摩擦纳米发电机（TENGs）是一种新兴的电子设备，可以将机械能转换为电能，将其定位为下一代可穿戴物联网（iot）系统的组成部分。这些设备在有效管理小型电子设备的功率方面起着至关重要的作用。因此，teng在自供电传感器技术中具有重要的应用潜力。鉴于全球能源资源日益紧张，研究人员将重点放在开发自供电系统上。本研究介绍了一种利用热塑性聚氨酯（TPU）薄膜掺杂碳纳米管（CNTs）和聚四氟乙烯（PTFE）作为摩擦材料组成的TENG （CNT-TENG）自供电运动传感系统。制造的CNT-TENG具有优异的耐久性，其最大功率密度为13.5 mW/m2，电阻为98 MΩ。除了能够可靠地为运动计时器供电外，CNT-TENG还可以作为一个自我维持的传感器，实时灵敏地监测人体运动。这种创新的设计能够有效地利用人体动能，与运动和可穿戴技术中的运动传感应用无缝集成。

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A Carbon Nanotube-Doped Polyurethane Nanocomposite-Based Triboelectric Nanogenerator: A Platform for Efficient Mechanical Energy Harvesting and Self-Powered Motion Sensing.

Triboelectric Nanogenerators (TENGs) are emerging electronic devices that allow mechanical energy to be converted into electrical energy, positioning them as integral components in the next generation of wearable Internet of Things (IoTs) systems. These devices play a crucial role in efficiently managing the power for small-scale electronics. Consequently, TENGs present significant application potential in self-powered sensor technology. Given the increasingly constrained global energy resources, researchers have focused much attention toward developing self-powered systems. This study introduces a self-powered motion sensing system leveraging a TENG (CNT-TENG) composed of a Thermoplastic Polyurethane (TPU) film doped with Carbon Nanotubes (CNTs) and Polytetrafluoroethylene (PTFE) as friction materials. The fabricated CNT-TENG with exceptional durability exhibited a maximum power density of 13.5 mW/m2 at a resistance of 98 MΩ. Beyond its ability to reliably power a sports timer, the CNT-TENG can also sensitively monitor human movement in real time as a self-sustaining sensor. This innovative design is capable of effectively utilizing human kinetic energy, offering seamless integration with motion sensing applications in sports and wearable technologies.

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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.