Optimization of a microfluidic based electromagnetic energy harvester for shoe insoles

[摘要] This paper reports improved performance of the 4thgeneration microfluidic based energy harvester by finding global optimization among various geometric parameters, resulting in the increase of power density by 6.89 times. Specifically, the power output was optimized by varying diameters and spans of a coil at different frequencies. To verify the optimization, a custom testing platform was constructed, which mimicked the periodic linear movement caused by a human foot. The final device produced total power of 455.77mW from a volume of 20×3.74×0.75cm3, resulting in a power density of 8.13mW/cm3that was identified as one of the highest power densities among human-body-induced vibration based energy harvesters.

[发布机构] ECE Department, University of Utah, UT, United States^1;SOLFIRE, Salt Lake City; UT, United States^2

[效力级别] 能源学

[关键词] Different frequency;Energy Harvester;Induced vibrations;Linear movements;Microfluidic-based;Power densities;Power out put;Testing platforms