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. 2021 Mar 12;24(4):102300. doi: 10.1016/j.isci.2021.102300

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© 2021 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Performance demonstration of the WEH aimed to smart building application

(A) Schematic illustration of the WEHs used as the power supplies for IoT nodes in smart buildings.

(B) (i) Working process of the T&H sensing node powered by the WEH; (ii) experimental setup of the WEH powering wireless T&H sensor node; (iii) charging-discharging curve of the 6,800-μF capacitor when powering the hygrothermograph and the T&H sensor node simultaneously.

(C) (i) Working process of the self-powered anemograph; (ii) experimental setup of the self-powered anemograph; (iii) the relationship curve between output frequency of AC voltage of TENG and wind speed.