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Hybridized Electromagnetic–Triboelectric Nanogenerator for Scavenging Biomechanical Energy for Sustainably Powering Wearable Electronics
Abstract
We report a hybridized electromagnetic-triboelectric nanogenerator for highly efficient scavenging of biomechanical energy to sustainably power wearable electronics by human walking. Based on the effective conjunction of triboelectrification and electromagnetic induction, the hybridized nanogenerator, with dimensions of 5 cm × 5 cm × 2.5 cm and a light weight of 60 g, integrates a triboelectric nanogenerator (TENG) that can deliver a peak output power of 4.9 mW under a loading resistance of 6 MΩ and an electromagnetic generator (EMG) that can deliver a peak output power of 3.5 mW under a loading resistance of 2 kΩ. The hybridized nanogenerator exhibits a good stability for the output performance and a much better charging performance than that of an individual energy-harvesting unit (TENG or EMG). Furthermore, the hybridized nanogenerator integrated in a commercial shoe has been utilized to harvest biomechanical energy induced by human walking to directly light up tens of light-emitting diodes in the shoe and sustainably power a smart pedometer for reading the data of a walking step, distance, and energy consumption. A wireless pedometer driven by the hybrid nanogenerator can work well to send the walking data to an iPhone under the distance of 25 m. This work pushes forward a significant step toward energy harvesting from human walking and its potential applications in sustainably powering wearable electronics.
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Cited by
Material choices for triboelectric nanogenerators: A critical review
Zhang, R., & Olin, H. (2020) · EcoMat · doi:10.1002/eom2.12062 · Cited by 533
Kim, T., Park, J., Sohn, J., Cho, D., & Jeon, S. (2016) · ACS Nano · doi:10.1021/acsnano.6b01355 · Cited by 474
He, W., Liu, W., Chen, J., Wang, Z., Liu, Y., Pu, X., Yang, H., Tang, Q., Yang, H., Guo, H., et al. (2020) · Nature Communications · doi:10.1038/s41467-020-18086-4 · Cited by 303
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Metadata
- Authors
- Zhang, K., Wang, X., Yang, Y., & Wang, Z. L.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-02-18
- Volume
- 9
- Issue
- 4
- Pages
- 3521-3529
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W1983783040
- Cited by
- 281
- References
- 0
- FWCI
- 14.47
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhang, K., Wang, X., Yang, Y., & Wang, Z. L. (2015). Hybridized Electromagnetic–Triboelectric Nanogenerator for Scavenging Biomechanical Energy for Sustainably Powering Wearable Electronics. ACS Nano. https://doi.org/10.1021/nn507455f
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