Open Access Open Access  Restricted Access Subscription or Fee Access

Study and Implementation of High Performance Energy Harvester using Aerosol Deposition Method.

E. N. Ganesh

Abstract


This paper reports the high-performance piezoelectric energy harvester (EH) fabricated with PbxZr1-xTiO3 (PZT) or xPb(Mg1/3Nb2/3)-(1-x)PbTiO3 (PMN-PT) by aerosol deposition method. The other EH with the same construction and similar thickness of PZT thin film are fabricated and used as a comparison basis. The electrical and mechanical properties of both transducers are characterized and discussed. According to our previous work [1], the output power of a EH not only depends on electrical properties, but also strongly depend on the mechanical properties of material. The mechanical properties tested by a nanoindenter shows that the Young’s modulus and hardness of PMN-PT are 105.9 GPa and 4.5 GPa comparing with 86.6 GPa and 3.0 GPa of PZT, respectively. Moreover, the parameters fitting from the equivalent circuit models around resonance are 198.671 N·m-1 and 174.569 N·m-1 for the stiffness coefficient ( ) of PMN-PT and PZT. The damping ratio ( ) were calculated with result of 0.014 N·s·m-1 and 0.0155 N·s·m-1, respectively. The PMN-PT material has higher piezoelectric constant and lower damping which can enhance the power output. However, PMN-PT materials also have higher Young’s modulus and hardness, which will lead to smaller strain when the same design of EH transducers driven under same vibration levels. From the final testing results, PMN-PT based EH devices still outperformed PZT based devices for almost twice of power output. Keywords : PMN-PT, Electrical property, Mechanical property, Energy harvester

Full Text:

PDF

References


C. T. Chen, S. C. Lin, T. K. Lin, and W. J. Wu, "High-performance energy harvester fabricated with aerosol deposited PMN-PT material," in Journal of Physics: Conference Series, 2016, p. 012011.

C. L. Kuo, S. C. Lin, and W. J. Wu, "Fabrication and performance evaluation of a metal-based bimorph piezoelectric MEMS generator for vibration energy harvesting," Smart Materials and Structures, vol. 25, p. 105016, 2016.

G. Tang, B. Yang, C. Hou, G. Li, J. Liu, X. Chen, et al., "A piezoelectric micro generator worked at low frequency and high acceleration based on PZT and phosphor bronze bonding," Scientific Reports, vol. 6, 2016.

S. C. Lin and W. J. Wu, "Piezoelectric micro energy harvesters based on stainless-steel substrates," Smart Materials and Structures, vol. 22, p. 045016, 2013.

S. Moon, S. K. Lee, Y. G. Lee, K. Kim, Y. S. Yang, W. Yang, et al., "Characterization of a high-power piezoelectric energy-scavenging device based on PMN-PT piezoelectric single crystals," Journal of the Korean Physical Society, vol. 60, pp. 230-234, 2012.

H. J. Song, Y. T. Choi, G. Wang, and N. M. Wereley, "Energy harvesting utilizing single crystal PMN-PT material and application to a self-powered accelerometer," Journal of Mechanical Design, vol. 131, p. 091008, 2009.

Z. Yang and J. Zu, "Comparison of PZN-PT, PMN-PT single crystals and PZT ceramic for vibration energy harvesting," Energy Conversion and Management, vol. 122, pp. 321-329, 2016.

S. H. Baek, J. Park, D. M. Kim, V. A. Aksyuk, R. R. Das, S. D. Bu, et al., "Giant piezoelectricity on Si for hyperactive MEMS," Science, vol. 334, pp. 958-961, 2011.

Y. C. Shu and I. C. Lien, "Analysis of power output for piezoelectric energy harvesting systems," Smart materials and structures, vol. 15, p. 1499, 2006.

P. H. Wu and Y. C. Shu, "Finite element modeling of electrically rectified piezoelectric energy harvesters," Smart Materials and Structures, vol. 24, p. 094008, 2015.


Refbacks

  • There are currently no refbacks.