Inkjet 3D Printed MEMS Vibrational Electromagnetic Energy Harvester

被引：21

作者：

Kawa, Bartosz ^{[1
]}

Sliwa, Krzysztof ^{[1
]}

Lee, Vincent Ch. ^{[2
]}

Shi, Qiongfeng ^{[2
]}

Walczak, Rafal ^{[1
]}

机构：

[1] Wroclaw Univ Sci & Technol, Dept Microsyst, PL-50370 Wroclaw, Poland

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117608, Singapore

来源：

ENERGIES | 2020年 / 13卷 / 11期

关键词：

3D printing; MEMS; energy harvester; MICROFLUIDIC DEVICES;

D O I：

10.3390/en13112800

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Three-dimensional (3D) printing is a powerful tool that enables the printing of almost unlimited geometry in a few hours, from a virtual design to a real structure. In this paper, we present a micro-electromechanical energy harvester that utilized a 3D printed micromechanical structure combined with a miniature permanent magnet and a microelectronic coil towards a hybrid electromagnetic vibrational hybrid energy harvester. Various micromechanical structure geometries were designed, printed, and tested. The characteristic dimensions of the springs were from 200 mu m to 400 mu m and the total volume of the devices was below 1 cm(3). The resonant frequencies (95-340 Hz range), as well as bandwidths (6-23 Hz range), for the developed prototypes were determined. The maximal generated output power was almost 24 mu W with a power density up to almost 600 mu W/cm(3).

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