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Charge Pumping Strategy for Rotation and Sliding Type Triboelectric Nanogenerators

Bai, Yu, Xu, Liang, Lin, Shiquan, Luo, Jianjun, Qin, Huaifang, Han, Kai, Wang, Zhong Lin·2020·Advanced Energy Materials

Abstract

Triboelectric nanogenerator (TENG) is an emerging approach for harvesting energy from the living environment. But its performance is limited by the maximum density of surface charges created by contact electrification. Here, by rationally designing a synchronous rotation structure, a charge pumping strategy is realized for the first time in a rotary sliding TENGs, which is demonstrated to enhance the charge density by a factor of 9, setting up a record for rotary TENGs. The average power is boosted by more than 15 times compared with normal TENGs, achieving an ultrahigh average power density of 1.66 kW m−3, under a low drive frequency of 2 Hz. Moreover, the charge pumping mechanism enables decoupling of bound charge generation and the severity of interfacial friction in the main TENG, allowing surface lubricants to be applied for suppressing abrasion and lowering heat generation. The adaptability of the strategy to rotation and sliding type TENGs in low‐frequency agitations provides a breakthrough to the bottleneck of power output for mechanical energy harvesting, and should have a great impact on high‐power TENG design and practical applications in various fields.

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Metadata

Authors
Bai, Y., Xu, L., Lin, S., Luo, J., Qin, H., Han, K., & Wang, Z. L.
Venue
Advanced Energy Materials
Publisher
Wiley
Published
2020-04-16
Volume
10
Issue
21
ISSN
  • 1614-6832 (ISSN-L)
  • 1614-6840
OpenAlex
W3017368539
Cited by
194
References
5
FWCI
8.99
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Charge Pumping Strategy for Rotation and Sliding Type Triboelectric Nanogenerators. https://app.cochat.ai/papers/10.1002/aenm.202000605
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Bai, Y., Xu, L., Lin, S., Luo, J., Qin, H., Han, K., & Wang, Z. L. (2020). Charge Pumping Strategy for Rotation and Sliding Type Triboelectric Nanogenerators. Advanced Energy Materials. https://doi.org/10.1002/aenm.202000605

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