Gas-liquid two-phase flow-based triboelectric nanogenerator with ultrahigh output power
Yachao Dong,Shiwei Xu,Chi Zhang,Liqiang Zhang,Daoai Wang,Yuanyuan Xie,Ning Luo,Yan Feng,Nannan Wang,Min Feng,Xiaolong Zhang,Feng Zhou,Zhong Lin Wang +12 more
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TL;DR: In this paper , a gas-liquid two-phase flow-based solid-liquid nanogenerators (GL-TENGs) is proposed to achieve ultrahigh voltage and volumetric charge density.
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Abstract: Solid-liquid triboelectric nanogenerators (SL-TENGs) have shown promising prospects in energy harvesting and application from water resources. However, the low contact separation speed, small contact area, and long contacting time during solid-liquid electrification severely limit their output properties and further applications. Here, by leveraging the rheological properties of gas-liquid two-phase flow and the Venturi-like design, we circumvent these limitations and develop a previously unknown gas-liquid two-phase flow-based TENG (GL-TENG) that can achieve ultrahigh voltage and volumetric charge density of 3789 volts and 859 millicoulombs per cubic meter, respectively. With a high-power output of 143.6 kilowatts per cubic meter, a 24-watt commercial lamp can be directly lighted by a continuous-flow GL-TENG device. The high performance displayed SL-TENGs in this work provides a promising strategy for the practical application of solid-liquid TENGs in energy harvesting and sensing applications.
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Citations
Highly stretchable PTFE particle enhanced triboelectric nanogenerator for droplet energy harvestings
Changjun Yang,Yamei Wang,Yan Wang,Zehui Zhao,Liwen Zhang,Huawei Chen +5 more
TL;DR: Researchers develop a highly stretchable triboelectric nanogenerator (SH-TENG) using PTFE particles, enhancing output and durability by 7-6 times, and demonstrating potential for powering electronic devices with droplet energy harvesting.
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Contact Electrification Behaviors of Solid–Liquid Interface: Regulation, Mechanisms, and Applications
TL;DR: In this paper , the concept, influencing variables, mechanisms, and current control tactics of solid-liquid triboelectric nanogenerators are addressed in a review, with discussion of how the three factors interact and contribute to liquid-solid contact electrification behavior.
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Water droplet energy harvesting
TL;DR: Water droplet energy harvesting reviews progress in high-power generation and discusses droplet-based electricity nanogenerators in various interfaces.
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Liquid-solid Contact Electrification Through the Lens of Surface and Interface Science
TL;DR: This paper reviews the research progress in contact electrification through the lens of surface and interface science, focusing on liquid-solid interactions, interface phenomena, and their impact on triboelectric nanogenerators' performance and charging mechanisms.
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Triboelectric Nanogenerators Based on Fluid Medium: From Fundamental Mechanisms toward Multifunctional Applications.
Feng Jiang,Liuxiang Zhan,Jin Pyo Lee,Pooi See Lee +3 more
TL;DR: Fluid-based triboelectric nanogenerators generate electricity through the dynamic interaction between two dissimilar materials, including fluids. They exhibit a larger effective contact area and a longer-lasting triboelectric effect, making them suitable for long-term energy harvesting and high-precision self-powered sensors in harsh conditions.
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