Energy harvesting performance of piezoelectric electrospun polymer fibers and polymer/ceramic composites

被引:127
作者
Nunes-Pereira, J. [1 ]
Sencadas, V. [1 ,2 ,3 ]
Correia, V. [1 ,4 ]
Rocha, J. G. [4 ]
Lanceros-Mendez, S. [1 ,3 ]
机构
[1] Univ Minho, Ctr Dept Phys, P-4710057 Braga, Portugal
[2] Inst Politecn, P-4750810 Barcelos, Portugal
[3] Int Iberian Nanotechnol Lab INL, P-4715330 Braga, Portugal
[4] Univ Minho, Algoritmi Res Ctr, P-4800058 Guimaraes, Portugal
关键词
Energy harvesting; Piezoelectric polymers; Polymer composites; Electrospinning; POLY(VINYLIDENE; NANOGENERATOR; EFFICIENCY; GENERATOR;
D O I
10.1016/j.sna.2013.03.023
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The energy harvesting efficiency of electrospun poly(vinylidene fluoride), its copolymer vinylidene fluoride-trifluoroethylene and composites of the later with barium titanate ceramic fillers on interdigitated electrodes has been investigated. Ceramic fillers of 500 (tetragonal), 100 (cubic) and 10 nm (cubic) have been used. Further, a study of the influence of the electrospinning processing parameters on the average size of the composites fibers has been performed. It is found that the best energy harvesting performance was obtained for pure poly(vinylidene fluoride) fibers, with power outputs up to 0.02 mu W and 25 mu W under low and high mechanical deformation. The copolymer and the composites show reduced power output mainly due to increased mechanical stiffness, the power output of the composites being better for the nonpiezoelectic smaller fillers. The obtained values, among the largest found in the literature, the easy processing and the low cost and robustness of the polymer, demonstrate the applicability of the developed system. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:55 / 62
页数:8
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