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A flexible, sandwich structure piezoelectric energy harvester using PIN-PMN-PT/epoxy 2-2 composite flake for wearable application
Zeng, Zhou1,2; Gai, Linlin1,2; Petitpas, Arnaud3; Li, Yue1,4; Luo, Haosu1; Wang, Dong1; Zhao, Xiangyong4
2017
发表期刊Sensors and Actuators, A: Physical
ISSN09244247
卷号265页码:62-69
摘要Unlike the nano-generators whose piezoelectric materials in forms of particles, fibers and thin film, we present a sandwich structure flexible energy harvester using a high performance bulk form PIMNT/epoxy 2-2 composite flake (epoxy volume ratio of 20%). The device consists of a polyethylene terephthalate (PET) substrate, a PIN-PMN-PT single crystal/epoxy 2-2 composite flake (a thickness of 50 mm), an interdigital electrodes (IDEs) film and a PET cover, which is flexible enough to harvest energy from large deformation biomechanical movements. A theoretical analysis shows that the sandwich structure with composite in the middle layer contributes to the flexibility of the device and high performance bulk PIN-PMN-PT results in its high electrical output. Electrical properties of the device under different strains (bending radius), strain rates, electrode gaps and load resistances are studied systematically. Experimental results show that the device can withstand a small bending radius of 2.2 cm, where an open-circuit of 54.2 V and extrapolation current of 6.7 μA were acquired across a device area of 480 mm2. The instantaneous power reach as high as 105 μW and can maintain its performance after 40000 bending-unbending cycles. We have also used the device to harvest the mechanical energy from motions of human knees and light up 12 red LEDs successfully. High flexibility and excellent electrical output demonstrate the promise of the device in biomechanical motions energy harvesting for self-powered wireless and portable low-power electronics. © 2017 Elsevier B.V.
DOI10.1016/j.sna.2017.07.059
EI入藏号20173504101132
EI主题词Nanocomposite films
EI分类号461.3 Biomechanics, Bionics and Biomimetics - 525.5 Energy Conversion Issues - 694.2 Packaging Materials - 701.1 Electricity: Basic Concepts and Phenomena - 712.1 Semiconducting Materials - 933.1 Crystalline Solids
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25712
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory of Inorganic Functional Material and Device, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 201800, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Faculty of Sciences and Technologies, University of La Rochelle, La Rochelle; 17000, France;
4.Key Laboratory of Optoelectronic Material and Device, Shanghai Normal University, Shanghai; 200234, China
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Zeng, Zhou,Gai, Linlin,Petitpas, Arnaud,et al. A flexible, sandwich structure piezoelectric energy harvester using PIN-PMN-PT/epoxy 2-2 composite flake for wearable application[J]. Sensors and Actuators, A: Physical,2017,265:62-69.
APA Zeng, Zhou.,Gai, Linlin.,Petitpas, Arnaud.,Li, Yue.,Luo, Haosu.,...&Zhao, Xiangyong.(2017).A flexible, sandwich structure piezoelectric energy harvester using PIN-PMN-PT/epoxy 2-2 composite flake for wearable application.Sensors and Actuators, A: Physical,265,62-69.
MLA Zeng, Zhou,et al."A flexible, sandwich structure piezoelectric energy harvester using PIN-PMN-PT/epoxy 2-2 composite flake for wearable application".Sensors and Actuators, A: Physical 265(2017):62-69.
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