A Pulsed Bubble-Driven Efficient Liquid-Solid Triboelectric Nanogenerator

IF 18.5 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Advanced Functional Materials Pub Date : 2024-11-14 DOI:10.1002/adfm.202415483

Tao Liu, Xue Cui, Ziyi Ye, Xuedi Li, Yanhua Liu, Bin Luo, Song Zhang, Mingchao Chi, Jinlong Wang, Chenchen Cai, Yayu Bai, Shuangfei Wang, Shuangxi Nie

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Abstract

Harnessing energy from underwater bubbles has garnered significant attention, particularly for powering off-grid circuitry. However, the efficiency of bubble-driven liquid-solid interface charge transfer remains low. This research unveils a phenomenon: accelerated bubble slippage enhances liquid-solid interfacial charge transfer. Building upon this discovery, a pulse bubble-based power generation technique is proposed, achieving an energy density of 24.2 mJ L⁻¹ generated by pulsed bubbles. The crux of pulse bubble power generation lies in the precise control of impact velocity. By meticulously regulating the impact kinetic energy of bubbles, the accumulated potential energy of multiple small bubbles is converted into instantaneous pulse kinetic energy. A typical pulse bubble is controlled within a 72 ms timeframe, unleashing a surge of energy that can directly illuminate 400 light-emitting diodes. This approach represents a groundbreaking advancement in underwater energy harvesting technology, dramatically expanding its potential applications.

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脉冲气泡驱动的高效液固三电纳米发电机

从水下气泡中获取能量，尤其是为离网电路供电，已经引起了广泛关注。然而，气泡驱动的液固界面电荷转移效率仍然很低。这项研究揭示了一种现象：加速气泡滑动可增强液固界面电荷转移。基于这一发现，我们提出了一种基于脉冲气泡的发电技术，通过脉冲气泡产生的能量密度达到 24.2 mJ L-1。脉冲气泡发电的关键在于精确控制冲击速度。通过精细调节气泡的冲击动能，多个小气泡累积的势能被转化为瞬时脉冲动能。一个典型的脉冲气泡可控制在 72 毫秒的时间范围内，释放出的能量可直接照亮 400 个发光二极管。这种方法代表了水下能量采集技术的突破性进展，极大地拓展了其潜在应用领域。

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来源期刊

Advanced Functional Materials 工程技术-材料科学：综合

CiteScore

29.50

自引率

4.20%

发文量

2086

审稿时长

2.1 months

期刊介绍： Firmly established as a top-tier materials science journal, Advanced Functional Materials reports breakthrough research in all aspects of materials science, including nanotechnology, chemistry, physics, and biology every week. Advanced Functional Materials is known for its rapid and fair peer review, quality content, and high impact, making it the first choice of the international materials science community.