Piezoelectric nanofibers for energy scavenging applications

被引：385

作者：

Chang, Jiyoung ^{[1
]}

Domnner, Michael ^{[1
]}

Chang, Chieh ^{[1
]}

Lin, Liwei ^{[1
]}

机构：

[1] Univ Calif Berkeley, Dept Mech Engn, Berkeley Sensor & Actuator Ctr, Berkeley, CA 94720 USA

来源：

NANO ENERGY | 2012年 / 1卷 / 03期

基金：

美国国家科学基金会;

关键词：

Nanogenerator; Energy harvesting; PVDF; Piezoelectric nanofibers; FERROELECTRIC PHASE CONTENT; POLY(VINYLIDENE FLUORIDE); POLYVINYLIDENE DIFLUORIDE; TITANATE NANOFIBERS; POLYMER NANOFIBERS; MECHANICAL ENERGY; NANOWIRE ARRAYS; ELECTROSPUN; NANOGENERATOR; POLYMORPHISM;

D O I：

10.1016/j.nanoen.2012.02.003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nanofiber-based piezoelectric energy generators could be scalable power sources applicable in various electrical devices and systems by scavenging mechanical energy from the environment. This review article highlights recent advances in nanofiber nanogenerators, discusses their operation principles and addresses performance issues including energy conversion efficiencies and possible false artifacts during experimental characterizations. Piezoelectric nanogenerators made of PVDF (polyvinylidene fluoride) or PZT (lead zirconate titanate) and fabricated by means of electrospinning processes such as conventional, modified or near-field electrospinning (NFES) are the key focuses of this paper. Material and structural analyses on fabricated nanofibers using tools such as XRD (X-ray diffraction), FTIR (Fourier transform infrared), SHG (second harmonic generation), PFM (piezoresponse force microscopy) and Raman spectroscopy toward the fundamental characterizations of piezoelectric nanofibers are also described. We summarize the report by highlighting recent nanogenerator developments and future prospects including high power nanogenerators, energy storage/regulation systems and fundamentals on piezoelectricity. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：356 / 371

页数：16

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