Bi-stable energy harvesting based on a simply supported piezoelectric buckled beam

被引：76

作者：

Xu, Chundong ^{[1
,2
]}

Liang, Zhu ^{[1
,2
]}

Ren, Bo ^{[1
]}

Di, Wenning ^{[1
]}

Luo, Haosu ^{[1
]}

Wang, Dong ^{[1
]}

Wang, Kailing ^{[3
]}

Chen, Zhifang ^{[3
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Funct Mat & Device, Shanghai 201800, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Shanghai Municipal Elect Power Co, Shibei Power Supply Branch, Shanghai 200072, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 11期

关键词：

D O I：

10.1063/1.4821644

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Bi-stable piezoelectric energy harvester has been found as a promising structure for vibration energy harvesting. This paper presents a high performance and simple structure bi-stable piezoelectric energy harvester based on simply supported piezoelectric buckled beam. The potential energy function is established theoretically, and electrical properties of the device under different axial compressive displacements, excitation frequencies, and accelerations are investigated systematically. Experimental results demonstrate that the output properties and bandwidth of the bi-stable nonlinear energy harvester under harmonic mechanical excitation are improved dramatically compared with the traditional linear energy harvester. The device demonstrates the potential in energy harvesting application to low-power portable electronics and wireless sensor nodes. (C) 2013 AIP Publishing LLC.

引用

页数：5

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