Multiscale surface modified magneto-mechano-triboelectric nanogenerator enabled by eco-friendly NaCl imprinting stamp for self-powered IoT applications

In this paper, we demonstrated a multiscale micro- and nano-structured magneto-mechano-triboelectric nanogenerator (MMTENG) enabled by a salt particle imprinting process to power an internet of thing (IoT) sensor. The fine salt particles were utilized to form a multiscale structure on a triboelectri...

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Bibliographic Details
Published in:Nanoscale 2021-05, Vol.13 (18), p.8418-8424
Main Authors: Kwak, Min Sub, Lim, Kyung-Won, Lee, Ha Young, Peddigari, Mahesh, Jang, Jongmoon, Jeong, Chang Kyu, Ryu, Jungho, Yoon, Woon-Ha, Yi, Sam Nyung, Hwang, Geon-Tae
Format: Article
Language:English
Subjects:
Alternating current
Circuits
Contact pressure
Electric contacts
Energy conversion
Energy harvesting
Internet of Things
Nanogenerators
Polymer films
Short circuit currents
Temperature sensors
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Summary:In this paper, we demonstrated a multiscale micro- and nano-structured magneto-mechano-triboelectric nanogenerator (MMTENG) enabled by a salt particle imprinting process to power an internet of thing (IoT) sensor. The fine salt particles were utilized to form a multiscale structure on a triboelectric polymer film by mechanical pressure via an eco-friendly, low-cost, and simple process, thereby reinforcing the contact triboelectrification and electrostatic induction. The surface modified MMTENG can generate an open-circuit peak-to-peak voltage of 851 V, a short-circuit current of 155 μA, and a maximum peak power of 10.3 mW under an AC magnetic field of 8 Oe. The energy device also presented output stability over 124 million operating cycles. Finally, the electricity of the surface enhanced MMTENG device was directly utilized to power an IoT temperature sensor with integration of an energy harvester, energy conversion circuit, and storage capacitor. This work reports a multiscale micro- and nano-structured magneto-mechano-triboelectric nanogenerator (MMTENG) enabled by an eco-friendly NaCl particle imprinting process to operate an internet of thing (IoT) sensor.
ISSN:2040-3364
2040-3372
DOI:10.1039/d1nr01336j