用于三电能量收集和传感的淬火 PVDF/PMMA 多孔基质

IF 13 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Energy & Environmental Materials Pub Date : 2024-08-01 DOI:10.1002/eem2.12808

Assem Mubarak, Bayandy Sarsembayev, Yerzhigit Serik, Abdirakhman Onabek, Zhanat Kappassov, Zhumabay Bakenov, Kazuyoshi Tsuchiya, Gulnur Kalimuldina

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引用次数: 0

摘要

纳米技术的飞速发展极大地革新了可穿戴电子设备并拓展了其功能。通过引入能量收集和自主传感的创新解决方案，本研究提出了一种具有成本效益的策略来提高三电纳米发电机（TENG）的性能。该 TENG 由具有多孔结构的聚偏氟乙烯（PVDF）和 N，N′-聚甲基丙烯酸甲酯（PMMA）混合物通过一种新颖的优化淬火方法制成。所开发的方法产生了一种高 β 相含量（85.7%）的 PVDF/3wt.%PMMA 多孔共混物，这种共混物因其卓越的压电特性而闻名。PVDF/3wt.%PMMA 改性多孔 TENG 具有出色的电气输出，介电常数为 40，开路电压约为 600 V。多孔基质显著提高了耐久性，可经受 36 000 次以上的工作循环而不会出现性能下降。此外，这项研究还探索了实际应用，包括为 LED 和心脏起搏器供电，最大输出功率为 750 mW m-2。此外，TENG 还可作为自供电触觉传感器，用于各种温度条件下的机器人应用。这项工作突出了 PVDF/PMMA 多孔混合物在利用下一代自供电传感器和为小型电子设备供电方面的潜力。

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Quenched PVDF/PMMA Porous Matrix for Triboelectric Energy Harvesting and Sensing

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Quenched PVDF/PMMA Porous Matrix for Triboelectric Energy Harvesting and Sensing

The rapid development of nanotechnology has significantly revolutionized wearable electronics and expanded their functionality. Through introducing innovative solutions for energy harvesting and autonomous sensing, this research presents a cost-effective strategy to enhance the performance of triboelectric nanogenerators (TENGs). The TENG was fabricated from polyvinylidene fluoride (PVDF) and N, N′-poly(methyl methacrylate) (PMMA) blend with a porous structure via a novel optimized quenching method. The developed approach results in a high β-phase content (85.7%) PVDF/3wt.%PMMA porous blend, known for its superior piezoelectric properties. PVDF/3wt.%PMMA modified porous TENG demonstrates remarkable electrical output, with a dielectric constant of 40 and an open-circuit voltage of approximately 600 V. The porous matrix notably increases durability, enduring over 36 000 operational cycles without performance degradation. Moreover, practical applications were explored in this research, including powering LEDs and pacemakers with a maximum power output of 750 mW m⁻². Also, TENG served as a self-powered tactile sensor for robotic applications in various temperature conditions. The work highlights the potential of the PVDF/PMMA porous blend to utilize the next-generation self-powered sensors and power small electronic devices.

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来源期刊

Energy & Environmental Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

17.60

自引率

6.00%

发文量

期刊介绍： Energy & Environmental Materials (EEM) is an international journal published by Zhengzhou University in collaboration with John Wiley & Sons, Inc. The journal aims to publish high quality research related to materials for energy harvesting, conversion, storage, and transport, as well as for creating a cleaner environment. EEM welcomes research work of significant general interest that has a high impact on society-relevant technological advances. The scope of the journal is intentionally broad, recognizing the complexity of issues and challenges related to energy and environmental materials. Therefore, interdisciplinary work across basic science and engineering disciplines is particularly encouraged. The areas covered by the journal include, but are not limited to, materials and composites for photovoltaics and photoelectrochemistry, bioprocessing, batteries, fuel cells, supercapacitors, clean air, and devices with multifunctionality. The readership of the journal includes chemical, physical, biological, materials, and environmental scientists and engineers from academia, industry, and policy-making.