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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Triboelectric Nanogenerator versus Piezoelectric Generator at Low Frequency (<4 Hz): A Quantitative Comparison
iScience, Volume 23, No. 7, Article 101286, Year 2020
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Description
Triboelectric nanogenerators (TENGs) and piezoelectric generators (PGs) are generally considered the two most common approaches for harvesting ambient mechanical energy that is ubiquitous in our everyday life. The main difference between the two generators lies in their respective working frequency range. Despite the remarkable progress, there has been no quantitative studies on the operating frequency band of the two generators at frequency values below 4 Hz, typical of human motion. Here, the two generators are systematically compared based on their energy harvesting capabilities below 4 Hz. Unlike PGs, the TENG demonstrates higher power performance and is almost independent of the operating frequency, making it highly efficient for multi-frequency operation. In addition, PGs were shown to be inapplicable for charging capacitors when a rectifier was attached to the system. The results of this work reveal the tremendous potential of flexible TENGs for harvesting energy at low frequency. © 2020 The Author(s)
Authors & Co-Authors
Ahmed, Abdelsalam Elrefaey
United States, Cambridge
Massachusetts Institute of Technology
United States, Boston
Brigham and Women's Hospital
Hassan, Islam
Canada, Hamilton
Mcmaster University
Canada, Toronto
University of Toronto
Radhi, Ali
Canada, Toronto
University of Toronto
El-Kady, Maher F.
United States, Los Angeles
California Nanosystems Institute
United States, Los Angeles
University of California, Los Angeles
Statistics
Citations: 82
Authors: 4
Affiliations: 8
Identifiers
Doi:
10.1016/j.isci.2020.101286
ISSN:
25890042
Study Approach
Quantitative