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Inkjet 3D Printed MEMS Vibrational Electromagnetic Energy Harvester

Department of Microsystems, Wroclaw University of Science and Technology, 50370 Wroclaw, Poland
Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117608, Singapore
Author to whom correspondence should be addressed.
Energies 2020, 13(11), 2800;
Received: 6 May 2020 / Revised: 25 May 2020 / Accepted: 1 June 2020 / Published: 1 June 2020
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 μm to 400 μm and the total volume of the devices was below 1 cm3. 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 μW with a power density up to almost 600 μW/cm3. View Full-Text
Keywords: 3D printing; MEMS; energy harvester 3D printing; MEMS; energy harvester
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MDPI and ACS Style

Kawa, B.; Śliwa, K.; Lee, V.C.; Shi, Q.; Walczak, R. Inkjet 3D Printed MEMS Vibrational Electromagnetic Energy Harvester. Energies 2020, 13, 2800.

AMA Style

Kawa B, Śliwa K, Lee VC, Shi Q, Walczak R. Inkjet 3D Printed MEMS Vibrational Electromagnetic Energy Harvester. Energies. 2020; 13(11):2800.

Chicago/Turabian Style

Kawa, Bartosz, Krzysztof Śliwa, Vincent C. Lee, Qiongfeng Shi, and Rafał Walczak. 2020. "Inkjet 3D Printed MEMS Vibrational Electromagnetic Energy Harvester" Energies 13, no. 11: 2800.

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