Magnetoelectric and electromagnetic composite vibration energy harvester for wireless sensor networks

被引：26

作者：

Qiu, Jing ^{[1
]}

Chen, Hengjia ^{[1
]}

Wen, Yumei ^{[1
]}

Li, Ping ^{[1
]}

机构：

[1] Chongqing Univ, Coll Optoelect Engn, Sensors & Instruments Res Ctr, Chongqing 400044, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2015年 / 117卷 / 17期

基金：

中国国家自然科学基金;

关键词：

Energy harvesting - Laminated composites - Wireless sensor networks;

D O I：

10.1063/1.4918688

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this paper, a magnetoelectric (ME) and electromagnetic (EM) composite vibration energy harvester (VEH) employing a coil and a five-phase laminate ME transducer to convert low-frequency vibration energy into electrical energy are presented. The electric output performance of the proposed VEH has been investigated. Compared to a traditional single ME VEH or single EM VEH, the proposed ME/EM composite VEH can simultaneously obtain high voltage, large current, high power, and wide bandwidth. When the length of cantilever is 5 cm, the five-phase laminate composite ME transducer provides high voltage of 52V and the coil provides large current of 97.8 mA. The optimum output power of the VEH achieves 16.47 mW for an acceleration of 0.5 g at a frequency of 27.5 Hz. Remarkably, the proposed ME/EM composite VEHs have great potential for its application in wireless sensor network. (C) 2015 AIP Publishing LLC.

引用

页数：4

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