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Get Free AccessHarvesting mechanical energy via a triboelectric nanogenerator (TENG) is a promising strategy for solving energy problems. However, it is necessary to develop an effective and safe energy managing circuit for preventing high voltage breaking electronic devices. Here, a universal managing circuit is developed to optimize TENG's output performance, which for the first time allows the TENG to safely power various sensor systems with a safe and stable voltage. Based on the circuit, TENG's output can be transformed into a stable voltage with tunable amplitude, while an enhanced short-circuit current of 94 mA with an energy loss lower than 5% is achieved. For demonstrations, three different types of TENGs, respectively, targeting at ocean energy, wind energy, and walking energy have been prepared to reveal the capability of the circuit. This study offers a strategy to greatly enhance the output performance of TENGs to provide useful guidance for constructing self-powered and distributed sensor systems.
Fan Wang, Jingwen Tian, Yafei Ding, Yuxiang Shi, Xinglin Tao, Xingling Wang, Ya Yang, Xiangyu Chen, Zhong Lin Wang (2021). A universal managing circuit with stabilized voltage for maintaining safe operation of self-powered electronics system. , 24(5), DOI: https://doi.org/10.1016/j.isci.2021.102502.
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Type
Article
Year
2021
Authors
9
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.1016/j.isci.2021.102502
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