Journal
CELL REPORTS PHYSICAL SCIENCE
Volume 2, Issue 12, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.xcrp.2021.100666
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Funding
- Natural Science Foundation of Beijing Municipality [2192062]
- National Natural Science Foundation of China [51502147, 51702018, 11704032]
- National Key R D Project [2016YFA0202704]
- Beijing Municipal Science and Technology Commission [Z181100003818016, Y3993113DF]
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Maintaining a high working frequency is crucial for improving the output power of triboelectric nanogenerator (TENG). The proposed BS-TENG can achieve a high speed and deliver peak power under external load, serving as both an energy harvester and a self-powered high-speed sensing system for vehicles. This study presents a method for upgrading TENG working frequency and offers new opportunities for TENGs in intelligent automobile driving systems.
Maintaining a high working frequency is one of the critical technical solutions to the triboelectric nanogenerator (TENG) for improving its output power. Herein, we propose a bearing structural TENG (BS-TENG), which achieves a speed of nearly 1,500 rpm based on the diversified design of 3D printing. It is vital that a BS-TENG unit delivers a peak power of 0.96 mW under an external load of 8 MU and, in addition, charges a capacitor of 1,000 mF to reach a voltage of 4 V that takes merely 80 s at a rotational speed of 600 rpm. The integrated BS-TENG network serves as both an energy harvester and a self-powered high-speed sensing system for the safe operation of vehicles. This study presents an approach for upgrading the working frequency of TENGs and may provide new opportunities for TENGs in intelligent automobile driving systems.
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