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Research Article

Linear-grating hybridized electromagnetic-triboelectric nanogenerator for sustainably powering portable electronics

Kewei Zhang, Ya Yang ()
Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing100083China
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Abstract

Utilizing a nanogenerator to scavenge mechanical energy from our living environment is an effective method to solve the power source issue of portable electronics. We report a linear-grating hybridized electromagnetic-triboelectric nanogenerator for scavenging the mechanical energy generated from sliding motions to sustainably power certain portable electronics. The hybridized nanogenerator consists of a slider and a stator in the structural design, and possesses a 66-segment triboelectric nanogenerator (TENG) and a 9-segment electromagnetic generator (EMG) in the functional design. At a sliding acceleration of 20 m/s2, the hybridized nanogenerator can deliver maximum powers of 102.8 mW for the TENG at a loading resistance of 0.4 MΩ and 103.3 mW for the EMG at a loading resistance of 6 kΩ. With an optimal hybridized combination of the TENG with a transformer and the EMG with a power management circuit, a 10 mF capacitor can be easily charged to 2.8 V in 20 s. A packaged hybridized nanogenerator with a light weight of 140 g and small dimensions of 12 cm × 4 cm × 1.6 cm excels in scavenging low-frequency sliding energy to sustainably power portable electronics.

Keywords

energy harvestinghybridized nanogeneratorconjunction operationsliding motionself-powered electronics

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Nano Research
Volume 9 Issue 4,
April 2016
Pages 974-984
DOI: 10.1007/s12274-016-0985-1
Cite this article:
Zhang K, Yang Y. Linear-grating hybridized electromagnetic-triboelectric nanogenerator for sustainably powering portable electronics. Nano Research, 2016, 9(4): 974-984. https://doi.org/10.1007/s12274-016-0985-1
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