Journal
APPLIED PHYSICS LETTERS
Volume 101, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4737170
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Funding
- Ministry of Science and Technology of China through 973 Program [2009CB623305]
- National Key Technology RD Program [2010BAK69B26]
- Natural Science Foundation of China [60837003, 61001041, 11090332]
- Science and Technology Commission of Shanghai Municipality [10520712700, 10JC1415900, 10dz0583400]
- Innovation Fund of Shanghai Institute of Ceramics [O99ZC4140G, O99ZC1110G]
- Shanghai Rising-Star Program [11QA1407500]
- Open Project from Shanghai Institute of Technical Physics, CAS [IIMDKFJJ-11-08]
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We present a high performance piezoelectric energy harvester CANtilever Driving Low frequency Energy harvester (CANDLE) consisting of cantilever beam and cymbal transducers based on piezoelectric single crystal 0.71Pb(Mg1/3Nb2/3)O-3-0.29PbTiO(3). Electrical properties of CANDLE under different proof masses, excitation frequencies, and load resistances are studied systematically. Under an acceleration of 3.2g (g - 9.8 m/s(2)), a peak voltage of 38 V, a maximum power of 3.7 mW were measured at 102 Hz with a proof mass of 4.2 g. Low resonance frequency and high power output performance demonstrate the promise of the device in energy harvesting for wireless sensors and low-power electronics. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4737170]
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