A wideband magnetic energy harvester

被引：38
|
作者：
Zhang, C. L. [1 ]
Chen, W. Q. [2 ]
机构：
[1] Zhejiang Univ, Dept Civil Engn, Hangzhou 310058, Zhejiang, Peoples R China
[2] Zhejiang Univ, Dept Engn Mech, Hangzhou 310027, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 12期
基金：
中国国家自然科学基金;
关键词：
composite materials; energy harvesting; fibres; magnetic devices; magnetoelastic effects; magnetoelectric effects; multiferroics; network analysis;
D O I：
10.1063/1.3360218
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A wideband magnetic energy harvester is proposed by using a number of multiferroic composite fibers of different lengths which are connected in parallel or series. The structural theory is employed to characterize the magnetoelectroelastic behavior of the fibers. A global circuit analysis is then performed. It is shown that such a structure of energy harvester is capable of collecting the ambient magnetic energy over a wide frequency range.
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页数：3
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