Energy harvesting from ambient low-frequency magnetic field using magneto-mechano-electric composite cantilever
Energy harvesting from ambient low-frequency magnetic field using magneto-mechano-electric composite cantilever
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DOI：
10.1063/1.4862876
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发表时间：
2014-01-20
影响因子：
4
通讯作者：
Dong, Shuxiang
中科院分区：
文献类型：
--
作者：
Liu, Guoxi;Ci, Penghong;Dong, Shuxiang
本文研究了一种用于环境低频磁场能量收集的磁-机电复合悬臂梁。MME复合悬臂梁由尖端附着钕铁硼磁铁的压电双晶片制成。利用等效电路模型对MME复合悬臂梁能量采集器的性能进行了理论预测。实验结果表明，短路谐振频率和开路谐振频率下的最大功率密度(
A magneto-mechano-electric (MME) composite cantilever for energy harvesting from ambient low-frequency magnetic field has been investigated in this study. The MME composite cantilever is made of a piezoelectric bimorph with NdFeB magnets attached at its tip. The properties of the MME composite cantilever based energy harvester were theoretically predicted by using the equivalent circuit model. The experimental results show that the maximum power density for excitations at the short- and open-circuit resonance frequencies (