An Efficient Rectifier Hybridizing Synchronized Electric Charge Extraction and Bias-Flipping for Triboelectric Energy Harvesting

Conference paper (2024)

Authors

W. Peng Electronic Components, Technology and Materials - EEMCS
W.D. van Driel Electronic Components, Technology and Materials - EEMCS
Kouchi Zhang Electronic Components, Technology and Materials - EEMCS
S. Du Electronic Instrumentation - EEMCS
Research Group
Electronic Components, Technology and Materials (EEMCS) (TU Delft)
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Published Date

2024

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Electronic Components, Technology and Materials

Abstract

A triboelectric nanogenerator (TENG) is a kinetic energy transducer with small and time-varying internal capacitance, which increases the difficulties of extracting harvested energy. In this paper, an efficient rectifier, hybridizing synchronized electric charge extraction (SECE) and bias-flipping techniques, is proposed. The two techniques alternatively operate at opposite voltage polarities of the TENG. By taking advantage of the varying capacitance, the proposed synchronized extraction and flipping (SEF) rectifier shows significantly improved energy extraction performance. The design is implemented in a 180-nm high-voltage BCD technology, and the results show a 7.4X energy extraction enhancement, 65-V voltage tolerance, and 35-nA quiescent current.

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