Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/154723
Title: A triboelectric nanogenerator energy harvesting system based on load-aware control for input power from 2.4 μW to 15.6 μW
Authors: Rawy, Karim
Sharma, Ruchi
Yoon, Hong-Joon
Khan, Usman
Kim, Sang-Woo
Kim, Tony Tae-Hyoung
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2020
Source: Rawy, K., Sharma, R., Yoon, H., Khan, U., Kim, S. & Kim, T. T. (2020). A triboelectric nanogenerator energy harvesting system based on load-aware control for input power from 2.4 μW to 15.6 μW. Nano Energy, 74, 104839-. https://dx.doi.org/10.1016/j.nanoen.2020.104839
Project: RG174/18 (S)
Journal: Nano Energy
Abstract: This paper presents a triboelectric nanogenerator (TENG) energy harvesting system for ultra-low power applications. We propose a load-aware control algorithm to improve the power conversion efficiency as well as the voltage conversion efficiency. The control algorithm minimizes the conduction and switching losses within a switched capacitor charge pump (SCCP) by modulating its switching frequency based on the load condition. Furthermore, a hysteresis input regulation control was developed for preventing breakdown. The overall system was optimized by utilizing a compact spice model from the physical mechanisms of the employed TENG. The fabricated test chip in 65-nm process technology provides a regulated output voltage of 1.2 V with power conversion efficiency of 88% at 30 Hz excitation frequency when the TENG output voltage is 2.5 V.
URI: https://hdl.handle.net/10356/154723
ISSN: 2211-2855
DOI: 10.1016/j.nanoen.2020.104839
Rights: © 2020 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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