Mitigating public hygiene anxiety in waste material applications: Development of an antibacterial and high performance triboelectric nanogenerator from recycled PET

IF 16.8 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Nano Energy Pub Date : 2025-02-01 DOI:10.1016/j.nanoen.2024.110533
Xiangning Li , Weiwei Wang , Xiaozhou Lü , Yunchao Wang , Nuanyang Cui , Bo Li , Ming Ding , Jinmei Liu , Zehua Guo , Long Gu
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Abstract

The development of triboelectric nanogenerators using waste materials (WM-TENGs) has gained significant attention for advancing a low-carbon economy and enhancing renewable energy utilization. However, consumer concerns about hygiene and safety hinder their acceptance in human-related applications, particularly due to fears of residual bacteria on reused materials from previous users and the potential for new bacterial growth from new users. To address these concerns, we developed an antibacterial and high-performance triboelectric nanogenerator from waste PET materials (AW-TENG). By incorporating small antibacterial polyhexamethylene guanidine hydrochloride (PHMG) molecules into the PET molecular chains, the resultant material, PET-PHMG, not only retains the excellent antibacterial properties of PHMG but also exhibits significantly enhanced triboelectric properties. The PET-PHMG nanofiber based AW-TENG achieved a maximum output voltage and current of 120.2 V and 2.9 μA, while demonstrating effective antibacterial activity against S. aureus and E. coli. The corresponding charge density of 22.1 nC/cm² stands out as one of the highest among WM-TENGs. Given these attractive characteristics, the AW-TENG is well-suited for applications such as self-powered pressure sensors and fire alarm systems. This study highlights the advanced utilization of discarded PET-derived antibacterial material in TENG technology, which can effectively foster public confidence in the use of wasted materials.

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减轻废物应用中的公共卫生焦虑:利用回收PET开发抗菌和高性能摩擦电纳米发电机
利用废弃物开发纳米摩擦发电机(wm - teng)对于促进低碳经济和提高可再生能源的利用具有重要意义。然而,消费者对卫生和安全的担忧阻碍了它们在与人类相关的应用中的接受,特别是由于担心以前用户重复使用的材料上残留细菌以及新用户产生新细菌的可能性。为了解决这些问题,我们利用废弃PET材料开发了一种抗菌和高性能的摩擦电纳米发电机(AW-TENG)。将抗菌小分子聚六亚甲基胍盐化(PHMG)加入到PET分子链中,得到的PET-PHMG不仅保留了PHMG优异的抗菌性能,而且摩擦电性能显著增强。基于PET-PHMG纳米纤维的AW-TENG最大输出电压和电流分别为120.2 V和2.9 μA,对金黄色葡萄球菌和大肠杆菌具有良好的抗菌活性。相应的电荷密度为22.1 nC/cm²,是wm - teng中最高的之一。鉴于这些吸引人的特点,AW-TENG非常适合自供电压力传感器和火灾报警系统等应用。本研究突出了废弃pet衍生抗菌材料在TENG技术中的先进利用,可以有效培养公众对废弃材料利用的信心。
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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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