Optimization of Capacitor for Piezoelectric Energy Harvesting

Mendiratta, Namrata; Singh, Geetanjali; Chattoraj, Neela; Kundu, Sudip

doi:10.1109/pedes.2018.8707531

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2019

2024

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Cited by 3 publications

References 13 publications

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Research on Hybrid Energy Collection Methods Applied to Wireless Sensor Networks

Jun,

Yandong,

Qianyuan

et al. 2024

Lecture Notes in Electrical Engineering

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Research on Hybrid Energy Collection Methods Applied to Wireless Sensor Networks

Jun,

Yandong,

Qianyuan

et al. 2024

Lecture Notes in Electrical Engineering

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An Efficient Interface Circuit for Miniature Piezoelectric Energy Harvesting with P-SSHC

Liu

Shang

Cheng

et al. 2019

J CIRCUIT SYST COMP

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A miniature and high-efficiency interface circuit based on parallel synchronous switch harvesting on capacitors (P-SSHC) for piezoelectric energy harvesting (PEH) is proposed in this paper. This interface circuit consists of a two-stage synchronous rectifier and the P-SSHC circuit. The two-stage synchronous rectifier, composed of a negative voltage converter (NVC) and an active diode (AD), achieves higher efficiency compared with the full-bridge rectifier (FBR). In addition, the two-stage synchronous rectifier detects the zero-crossing moment of the input current; therefore, an extra current zero-crossing detection circuit is eliminated, which simplifies the structure of the interface circuit, reduces power consumption and improves peak converting efficiency. The P-SSHC circuit aims to improve the power extraction capability of the rectifier. The P-SSHC achieves considerable voltage flipping efficiency with very small volume compared to the parallel synchronized switch harvesting on inductor (P-SSHI), which is more suitable for volume sensitive applications. The proposed interface circuit is designed in SMIC 0.35[Formula: see text][Formula: see text]m CMOS process. Simulation results show that it achieves a [Formula: see text] output power improvement compared with FBR for the case of a 3.4[Formula: see text]V open-circuit voltage, the voltage flipping efficiency is as high as 83.6% and the peak power converting efficiency is up to 91.5%. The overall volume of the capacitors used in this paper is only 0.6[Formula: see text]mm3, which is much smaller than the inductor used by conventional P-SSHI interface circuit.

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Investigation of Gravitational Energy Harvesters for IoT Power Supply in Freight Train Monitoring

Monaco,

Russo,

Somà

2023

2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe)

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Optimization of Capacitor for Piezoelectric Energy Harvesting

Cited by 3 publications

References 13 publications

Research on Hybrid Energy Collection Methods Applied to Wireless Sensor Networks

Research on Hybrid Energy Collection Methods Applied to Wireless Sensor Networks

An Efficient Interface Circuit for Miniature Piezoelectric Energy Harvesting with P-SSHC

Investigation of Gravitational Energy Harvesters for IoT Power Supply in Freight Train Monitoring

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