Power performance evaluation of vibration power generator using the magnetic flux concentration effect

2017 ◽  
Vol 2017 (0) ◽  
pp. J1110204
Author(s):  
Atsuro ONISHI ◽  
Hiroshi TAKAHASHI ◽  
Akihiko ENAMITO ◽  
Akihito OGAWA
2009 ◽  
Vol 1199 ◽  
Author(s):  
Zhao Fang ◽  
David Sheng-Guo Lu ◽  
Ninad Mokhariwale ◽  
Mario Remond El Tahchi ◽  
Qiming Zhang

AbstractThe magnetic flux density inside a Metglas sheet is much higher than that of the applied external magnetic field due to its high magnetic permeability, which is known as the magnetic flux concentration effect. Magnetic flux concentration of Metglas as a function of its sheet aspect ratio (width/length) was investigated for Metglas/Polyvinylidene fluoride (PVDF) laminar composites. Both the simulations and experimental results suggest that the magnetic flux concentration effect is markedly enhanced when the aspect ratio of a Metglas sheet is reduced. Consequently the magnetostriction of Metglas and the magnetoelectric (ME) voltage coefficients of the laminar composites are enhanced. The ME voltage coefficient for a laminar composite with a 1 mm wide and 30 mm long Metglas sheet (25 μm thick) is 21.46 V/cm•Oe, which is much higher than those reported earlier in similar laminar composites without making use of the flux concentration effect. The results demonstrate an effective means to significantly enhance the sensitivity of the magnetostrictive/piezoelectric composites as weak magnetic field sensors.


2021 ◽  
Vol 70 (14) ◽  
pp. 147601-147601
Author(s):  
Li Zhong-Hao ◽  
◽  
Wang Tian-Yu ◽  
Guo Qi ◽  
Guo Hao ◽  
...  

2010 ◽  
Vol 130 (7) ◽  
pp. 698-703 ◽  
Author(s):  
Keisuke Eguchi ◽  
Shingo Zeze ◽  
Takashi Todaka ◽  
Masato Enokizono

2013 ◽  
Vol 111 ◽  
pp. 77-81 ◽  
Author(s):  
Xu Sun ◽  
Lijun Jiang ◽  
Philip W.T. Pong

2011 ◽  
Vol 55 (1) ◽  
pp. 19-24 ◽  
Author(s):  
V. Camarchia ◽  
F. Cappelluti ◽  
G. Ghione ◽  
M.C. Rossi ◽  
P. Calvani ◽  
...  

2020 ◽  
Vol 13 (11) ◽  
pp. 4238-4248 ◽  
Author(s):  
Hyunseok Song ◽  
Deepak Rajaram Patil ◽  
Woon-Ha Yoon ◽  
Kwang-Ho Kim ◽  
Cheol Choi ◽  
...  

A magneto-mechano-electric (MME) generator comprising a magnetoelectric (ME) composite and magnetic flux concentrator (MFC) can effectively harvest the tiny magnetic noise to power the autonomous internet of things (IoT) sensor networks.


2013 ◽  
Vol 102 (17) ◽  
pp. 172904 ◽  
Author(s):  
Ying Shen ◽  
Junqi Gao ◽  
Yaojin Wang ◽  
Peter Finkel ◽  
Jiefang Li ◽  
...  

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