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Get Free AccessSolid-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.
Yang Dong, Shiwei Xu, Chi Zhang, Liqiang Zhang, Daoai Wang, Yuanyuan Xie, Ning Luo, Yange Feng, Nannan Wang, Min Feng, Xiaolong Zhang, Feng Zhou, Zhong Lin Wang (2022). Gas-liquid two-phase flow-based triboelectric nanogenerator with ultrahigh output power. , 8(48), DOI: https://doi.org/10.1126/sciadv.add0464.
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Type
Article
Year
2022
Authors
13
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.1126/sciadv.add0464
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