Supersonically Sprayed Flexible ZnO/PVDF Composite Films with Enhanced Piezoelectricity for Energy Harvesting and Storage

被引：12
作者：
Ojha, Devi Prashad [1 ,2 ]
Joshi, Bhavana [3 ]
Samuel, Edmund [4 ]
Khadka, Ashwin [3 ]
Aldalbahi, Ali [5 ]
Periyasami, Govindasami [5 ]
Choi, Daekyu [1 ,2 ]
An, Seongpil [1 ,2 ,6 ]
Yoon, Sam S. [3 ]
机构：
[1] Sungkyunkwan Univ SKKU, SKKU Adv Inst Nanotechnol SAINT, Suwon 16419, South Korea
[2] Sungkyunkwan Univ SKKU, Dept Nano Sci & Technol, Suwon 16419, South Korea
[3] Korea Univ, Sch Mech Engn, Seoul 02841, South Korea
[4] Korea Univ, Grad Sch Energy & Environm, KU KIST Green Sch, Energy Environm Policy & Technol, Seoul 02841, South Korea
[5] King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi Arabia
[6] Sungkyunkwan Univ SKKU, Dept Nano Engn, Suwon 16419, South Korea
来源：
INTERNATIONAL JOURNAL OF ENERGY RESEARCH | 2023年 / 2023卷
基金：
新加坡国家研究基金会;
关键词：
POLY(VINYLIDENE FLUORIDE); ZNO NANOSTRUCTURES; NANOGENERATOR; NANOPARTICLES; PVDF; PHASES;
D O I：
10.1155/2023/3074782
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A flexible piezoelectric nanogenerator (PENG) was developed to convert ambient mechanical energy into electrical energy. Highly crystalline template-free zinc oxide (ZnO) microrods were prepared using a wet chemical method at a low temperature. As-synthesized ZnO microrods were blended with polyvinylidene fluoride (PVDF) to prepare a piezoelectric composite film using the supersonic spraying method. A PENG electrode comprising ZnO microrods (0.5 g) produced 15.2 V under a tapping force of 20 N at 5 Hz. In addition, an output current of 32 & mu;A was produced with a maximum power density of 12.5 & mu;W cm(-2). The output voltage considering various body movements was investigated to demonstrate the flexibility and durability of the proposed PENG. Furthermore, the supercapacitive properties of ZnO/reduced graphene oxide were studied.
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页数：15
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