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Get Free AccessAbstract Hourglass, or sandglass, is known for centuries to record the passage of time. Here, an hourglass triboelectric nanogenerator (HG‐TENG) is reported as a power source by harnessing the kinetic energy of falling particles. By employing the geometry of an hourglass and replacing the sand with a mixture of polytetrafluoroethylene (PTFE) pellets and Al balls, the HG‐TENG delivers a train of electrical pulses of the same sign without a rectifier bridge. When the volume ratio of the PTFE pellets to the Al balls is 1:1, the HG‐TENG is able to light up 160 commercial light emitting diodes intermittently for 18 s. Furthermore, it is demonstrated that the HG‐TENG can also serve as a self‐powered UV counterfeit detector.
Chuan He, Chang Bao Han, Guang Qin Gu, Tao Jiang, Baodong Chen, Zhen Gao, Zhong Lin Wang (2017). Hourglass Triboelectric Nanogenerator as a “Direct Current” Power Source. , 7(19), DOI: https://doi.org/10.1002/aenm.201700644.
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Type
Article
Year
2017
Authors
7
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.1002/aenm.201700644
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