压电纳米发电机材料选用和结构设计研究进展

Research Progress in Material Selection and Structure Design of Piezoelectric Nanogenerator

自2006年压电纳米发电机首次亮相以来,各种压电材料都被应用到这一领域,压电纳米发电机的制备工艺和器件结构不断得到优化。同时,研究者们不断利用新方法来开发新的压电材料,以改善压电纳米发电机的性能。而压电材料性能的制约使研究者开始对器件结构进行构思,从常规的平行板结构到多层结构,再到混合器件,都在进行着不断的探索,并取得丰富成果。本文从压电纳米发电机的结构入手,结合其材料、制备方法、性能、特点等,对近年来相关研究成果进行了概述,评价了不同压电材料和不同结构条件下纳米发电机的输出性能表现,分析了压电纳米发电机今后发展面临的问题和发展前景,以期为研制具有多源能量采集能力的压电纳米发电机提供参考。

Since the first appearance of the piezoelectric nanogenerator in 2006,various piezoelectric materials have been applied in this field.The pre-paration technology and device structure of the piezoelectric nanogenerator have been continuously optimized.At the same time,researchers are constantly using new methods to develop new piezoelectric materials to improve the performance of piezoelectric nanogenerator.However,the limitations of piezoelectric materials have led researchers to begin to redesign the device structures.The researchers have been constantly exploring a variety of structures involved conventional parallel plate structure,multi-layer structure,and hybrid devices,and have made abundant achievements.This review summarizes the relevant research results in recent years in terms of the structure of piezoelectric nanogenerator combining with its materials,preparation methods,properties,characteristics,etc.The output performance of nanogenerators for different piezoelectric materials and structures,and the problems and development prospects of piezoelectric nanogenerators in the future are analyzed to provide the reference on developing excellent piezoelectric nanogenerator with multisource energy harvesting ability.