NDLI: Study on improving current generating time of piezoelectric energy harvesting system

Content Provider	Springer Nature Link
Author	Song, Daniel Woo, Min Sik Ahn, Jung Hwan Hong, Seong Kwang Kim, Se Bin Sung, Tae Hyun
Copyright Year	2014
Abstract	This study combined a ceramic, metal alloy, and polymer in a piezoelectric energy harvesting system. The proper container film for curing the urethane rubber was determined to be a Si-coated polyester film. Furthermore, a technique was developed to embed a piezoelectric energy system in urethane rubber (soft and hard); the resulting effects on the output voltage generation of this system were experimentally determined. Comparing the uncoated and hard urethane rubber-coated systems, the latter system improved the energy generation time by a factor of 50 by restricting the recovery time of the metal alloy and storing applied mechanical energy in urethane rubber, providing more time for the piezoelectric ceramic to generate output current. From the LED lighting test results, the urethane rubber coating increased the usable voltage generating time from 0.05 s to 2.5 s. The improved generating time is useful for piezoelectric energy harvesting systems with irregular ambient energy sources.
Starting Page	207
Ending Page	215
Page Count	9
File Format	PDF
ISSN	13853449
Journal	Journal of Electroceramics
Volume Number	34
Issue Number	2-3
e-ISSN	15738663
Language	English
Publisher	Springer US
Publisher Date	2014-10-11
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Piezoelectric energy harvesting Urethane rubber Electrical current Optical and Electronic Materials Ceramics, Glass, Composites, Natural Methods Characterization and Evaluation of Materials Electrochemistry Crystallography
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Materials Chemistry Mechanics of Materials Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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