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

Devi Prashad Ojha; Bhavana Joshi; Edmund Samuel; Ashwin Khadka; Ali Aldalbahi; Govindasami Periyasami; Daekyu Choi; Seongpil An; Sam S. Yoon

doi:10.1155/2023/3074782

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

Devi Prashad Ojha
, Bhavana Joshi
, Edmund Samuel
, Ashwin Khadka
, Ali Aldalbahi
, Govindasami Periyasami
, Daekyu Choi
, Seongpil An^*
, Sam S. Yoon^*

^*Corresponding author for this work

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

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 μA was produced with a maximum power density of 12.5 μW 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.

Original language	English
Article number	3074782
Journal	International Journal of Energy Research
Volume	2023
DOIs	https://doi.org/10.1155/2023/3074782
Publication status	Published - 2023

Bibliographical note

Publisher Copyright:
© 2023 Devi Prashad Ojha et al.

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Nuclear Energy and Engineering
Fuel Technology
Energy Engineering and Power Technology

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1155/2023/3074782

Cite this

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

abstract = "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 μA was produced with a maximum power density of 12.5 μW 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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year = "2023",

doi = "10.1155/2023/3074782",

language = "English",

volume = "2023",

journal = "International Journal of Energy Research",

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T1 - Supersonically Sprayed Flexible ZnO/PVDF Composite Films with Enhanced Piezoelectricity for Energy Harvesting and Storage

AU - Ojha, Devi Prashad

AU - Joshi, Bhavana

AU - Samuel, Edmund

AU - Khadka, Ashwin

AU - Aldalbahi, Ali

AU - Periyasami, Govindasami

AU - Choi, Daekyu

AU - An, Seongpil

AU - Yoon, Sam S.

PY - 2023

Y1 - 2023

N2 - 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 μA was produced with a maximum power density of 12.5 μW 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.

AB - 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 μA was produced with a maximum power density of 12.5 μW 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.

UR - https://www.scopus.com/pages/publications/85174297004

U2 - 10.1155/2023/3074782

DO - 10.1155/2023/3074782

M3 - Article

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SN - 0363-907X

VL - 2023

JO - International Journal of Energy Research

JF - International Journal of Energy Research

M1 - 3074782

ER -

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

Abstract

Bibliographical note

ASJC Scopus subject areas

UN SDGs

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