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Issue 9, 2012

Nanogenerator as an active sensor for vortex capture and ambient wind-velocity detection

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Abstract

In this paper, we report a simple and practical composite structure for a nanogenerator (NG). The composite design using two kinds of piezoelectric materials, zinc oxide and poly(vinylidene fluoride), requires no more system size and complexity than for a single material, but improves the power density and sensitivity of the NG significantly. With no need of an external power source or batteries, the composite NG can efficiently convert the vortex motion in the atmosphere into electricity. Based on the Karman vortex street principle, ambient wind-speed measurements with the NG are demonstrated. Due to the simple structure, high sensitivity and good environment-friendly properties, the NG as an active sensor should play an important role in wireless environmental monitoring networks.

Graphical abstract: Nanogenerator as an active sensor for vortex capture and ambient wind-velocity detection

Supplementary files

Article information


Submitted
28 May 2012
Accepted
26 Jun 2012
First published
26 Jun 2012

Energy Environ. Sci., 2012,5, 8528-8533
Article type
Communication

Nanogenerator as an active sensor for vortex capture and ambient wind-velocity detection

R. Zhang, L. Lin, Q. Jing, W. Wu, Y. Zhang, Z. Jiao, L. Yan, R. P. S. Han and Z. L. Wang, Energy Environ. Sci., 2012, 5, 8528 DOI: 10.1039/C2EE22354F

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