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Harvesting Ambient Vibration Energy over a Wide Frequency Range for Self-Powered Electronics
Abstract
Vibration is one of the most common energy sources in ambient environment. Harvesting vibration energy is a promising route to sustainably drive small electronics. This work introduces an approach to scavenge vibrational energy over a wide frequency range as an exclusive power source for continuous operation of electronics. An elastic multiunit triboelectric nanogenerator (TENG) is rationally designed to efficiently harvest low-frequency vibration energy, which can provide a maximum instantaneous output power density of 102 W·m –3 at as low as 7 Hz and maintain its stable current outputs from 5 to 25 Hz. A self-charging power unit (SCPU) combining the TENG and a 10 mF supercapacitor gives a continuous direct current (DC) power delivery of 1.14 mW at a power management efficiency of 45.6% at 20 Hz. The performance of the SCPU can be further enhanced by a specially designed power management circuit, with a continuous DC power of 2 mW and power management efficiency of 60% at 7 Hz. Electronics such as a thermometer, hygrometer, and speedometer can be sustainably powered solely by the harvested vibration energy from a machine or riding bicycle. This approach has potential applications in self-powered systems for environment monitoring, machine safety, and transportation.
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Citations
Cited by
Reviving Vibration Energy Harvesting and Self-Powered Sensing by a Triboelectric Nanogenerator
Chen, J., & Wang, Z. L. (2017) · Joule · doi:10.1016/j.joule.2017.09.004 · Cited by 1,021
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Chen, G., Li, Y., Bick, M., & Chen, J. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.9b00821 · Cited by 931
Dong, K., Deng, J., Zi, Y., Wang, Y., Xu, C., Zou, H., Ding, W., Dai, Y., Gu, B., Sun, B., et al. (2017) · Advanced Materials · doi:10.1002/adma.201702648 · Cited by 432
Self-citationApplications of nanotechnology in smart textile industry: A critical review
Shah, M. A., Pirzada, B. M., Price, G., Shibiru, A. L., & Qurashi, A. (2022) · Journal of Advanced Research · doi:10.1016/j.jare.2022.01.008 · Cited by 412
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Metadata
- Authors
- Wang, X., Niu, S., Yi, F., Yin, Y., Hao, C., Dai, K., Zhang, Y., You, Z., & Wang, Z. L.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-01-17
- Volume
- 11
- Issue
- 2
- Pages
- 1728-1735
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2572240942
- Cited by
- 209
- References
- 0
- FWCI
- 11.64
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, X., Niu, S., Yi, F., Yin, Y., Hao, C., Dai, K., Zhang, Y., You, Z., & Wang, Z. L. (2017). Harvesting Ambient Vibration Energy over a Wide Frequency Range for Self-Powered Electronics. ACS Nano. https://doi.org/10.1021/acsnano.6b07633
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