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Title: High-frequency mechanical energy harvester with direct current output from chemical potential difference
Authors: Li, Shaoxin
Deng, Shuo
Xu, Ran
Liu, Di
Nan, Yang
Zhang, Zhiwei
Gao, Yikui
Lv, Haifei
Li, Min
Zhang, Qing
Wang, Jie
Wang, Zhong Lin
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2022
Source: Li, S., Deng, S., Xu, R., Liu, D., Nan, Y., Zhang, Z., Gao, Y., Lv, H., Li, M., Zhang, Q., Wang, J. & Wang, Z. L. (2022). High-frequency mechanical energy harvester with direct current output from chemical potential difference. ACS Energy Letters, 7(9), 3080-3086.
Project: A1983c0027
Journal: ACS Energy Letters
Abstract: As an energy harvester that converts mechanical power into electrical energy, a triboelectric nanogenerator (TENG) with a pair of metallic and insulating electrodes can generate only the displacement current (Idis) in the electrodes, whereas a chemical potential difference generator (CPG) with a pair of semiconducting or/and metallic electrodes can generate both Idis and conduction current (Icon). Considering the effects of motion parameters on Idis and Icon is important for harvesting different mechanical energies in practical scenarios; the output characteristics of CPGs and traditional TENGs under different external resistance (R), contact-separation frequency (f), and maximum separation distance (xm) were systematically studied for the first time in this work. More interestingly, a direct current (DC) output can be generated directly by CPGs under R > 10 Mω or f > 100 Hz. This work not only provides a guideline for collecting different mechanical energies but also promotes the development of CPGs as an energy harvester and self-powered vibration sensor in the semiconductor industry.
ISSN: 2380-8195
DOI: 10.1021/acsenergylett.2c01582
Schools: School of Electrical and Electronic Engineering 
Rights: © 2022 American Chemical Society. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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