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- Title
Efficient Delivery of Power Generated by a Rotating Triboelectric Nanogenerator by Conjunction of Wired and Wireless Transmissions Using Maxwell's Displacement Currents.
- Authors
Jie, Yang; Ma, Jinming; Chen, Yandong; Cao, Xia; Wang, Ning; Wang, Zhong Lin
- Abstract
Energy harvesting and power delivery are key technologies for self‐powered systems toward the internet of things, and integration of the two should be prioritized. The dominant mechanism of a triboelectric nanogenerator (TENG) is Maxwell's displacement current, which exists both inside the media/device and in the space surrounding the device. The displacement current transmitted in media inside the device can be collected by wired transmission using two electrodes, while the component that is leaked in to the space surrounding the device can be partially collected wirelessly. Herein, simultaneous collection of power transmitted through wires and wirelessly by a rotating TENG, is demonstrated. The wired component gives an output of ≈2 mA and ≈110 V, and the wireless component using the finite size of the collector gives an output current and voltage of ≈3 µA and ≈17.5 V (power density of 21.8 mW m−2). Small mobile electronics and a digital camera can be charged. The study extends the application of TENGs for practical applications. An integrated rotating triboelectric nanogenerator (TENG) is designed by conjunction of wired and wireless transmissions to collect rotational energy. The integrated rotating TENG with the wireless energy delivery is demonstrated for the electric power supply of smart homes. The hybrid TENG develops the application of Maxwell's displacement current in self‐powered system.
- Subjects
TRIBOELECTRICITY; ENERGY harvesting; ELECTRODES; POWER density; ELECTRIC potential
- Publication
Advanced Energy Materials, 2018, Vol 8, Issue 31, pN.PAG
- ISSN
1614-6832
- Publication type
Article
- DOI
10.1002/aenm.201802084