RETRACTED: Enhanced flexible piezoelectric generating performance via high energy composite for wireless sensor network (Retracted article. See vol. 189, 2019)
- Authors
- Kim, Kyung-Bum; Cho, Jae Yong; Jeon, Deok Hwan; Ahn, Jung Hwan; Hong, Seong Do; Jeong, Young-Hun; Nahm, Sahn; Sung, Tae Hyun
- Issue Date
- Sep-2018
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Piezoelectric energy harvester; Wireless sensor network; Temperature monitoring; Flexible device; Sustainable energy; Self-powered system
- Citation
- ENERGY, v.159, pp.196 - 202
- Indexed
- SCIE
SCOPUS
- Journal Title
- ENERGY
- Volume
- 159
- Start Page
- 196
- End Page
- 202
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/149474
- DOI
- 10.1016/j.energy.2018.06.048
- ISSN
- 0360-5442
- Abstract
- Retraction notice to “Enhanced flexible piezoelectric generating performance via high energy composite for wireless sensor network”[Energy 159 (2018) 196–202](S0360544218311137)(10.1016/j.energy.2018.06.048)(2019) Energy, 189, Article number 116461
Piezoelectric 0.72 Pb(Zr0.47Ti0.53)O3-0.28 Pb[(Zn0.45Ni0.55)1/3Nb2/3]O3 + 0.5 mol% CuO (PNNC) particles were made for use in a composite of flexible energy harvester (FEH) that can convert sustainable mechanical deformation into electrical energy. The PNNC particles with a high transduction coefficient (d33 × g33) were mixed with polydimethylsiloxane (PDMS) matrix to produce the FEH. The FEH generated maximum output voltage of 55.24 V and current density of 2.76 μA/cm2 (power density: 554 μW/cm3, 3.2 mW) at the resonance frequency of 11 Hz. The energy conversion efficiency of about 20.7% has been achieved. The developed energy harvester is demonstrated in the self-powered wireless sensor node application in which the FEH spontaneously generated stable power under continuous mechanical stress.
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