Enhanced piezoelectric energy harvesting power with thermoelectric energy assistance

Zhidong Chen; Yinshui Xia; Ge Shi; Huakang Xia; Xiudeng Wang; Libo Qian; Yidie Ye

doi:10.1177/1045389x21991238

journal article·2021-11

Enhanced piezoelectric energy harvesting power with thermoelectric energy assistance

Zhidong Chen, Yinshui Xia, Ge Shi, Huakang Xia, Xiudeng Wang, Libo Qian, Yidie Ye

Journal of Intelligent Material Systems and Structures· Volume 32· Issue 18-19

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Source abstract

Abstract

The demand for life-time power supply in Internet of Things (IoT) nodes is a challenge issue. Piezoelectric energy harvesting (PEH) is expected to meet the demand by harvesting vibration energy and converting it into electricity for the IoT nodes. This article presents a novel PEH power improvement circuit with thermoelectric energy assistance. The proposed circuit can extract energy from thermoelectric generator (TEG) to assist the PEH. Simulation and experimental platforms are built for testing the power generation performance of the proposed circuit. With the thermoelectric assistance of 0.1 V and 0.2 V, the harvested power can reach 3.4 times and 4 times that of the standard energy harvesting (SEH) circuit when the piezoelectric transducer (PZT) original open circuit voltage V _oc,org = 8 V, respectively. The harvested power can be increased by 13.3% and 33.3% with the thermoelectric assistance of 0.1 V and 0.2 V, respectively.

Source: crossref · Quality: baseline

Research context

OpenAlex topics: Innovative Energy Harvesting Technologies · Energy Harvesting in Wireless Networks · Advanced Sensor and Energy Harvesting Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo, P. R. China

College of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou, Zhejiang, P. R. China

Funding

National Natural Science Foundation of China · Natural Science Foundation of Zhejiang Province

References (27)

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