Title

Bi-axially Stretchable Three-dimensional PZT Energy Harvester

DGIST Authors

Jang, Kyung-In ; Yea, Junwoo ; Jeong, Jae-Woong

Advisor

장경인

Co-Advisor(s)

Jae-Woong Jeong

Issued Date

2020

Awarded Date

2020-02

Citation

Junwoo Yea. (2020). Bi-axially Stretchable Three-dimensional PZT Energy Harvester. doi: 10.22677/Theses.200000284063

Type

Thesis

Description

Stretchable, PZT, Energy harvesting, Three-dimension, Piezoelectric

Table Of Contents

List of Contents

Abstract i
List of Contents ii
List of Figures and Tables iii

I. Introduction 1
II. Backgrounds
2.1 Piezoelectricity 3
2.2 Energy Harvesting Method for In-vivo 5
2.3 Advantages and Disadvantages of In-vivo Energy Harvesters 6
2.4 The Output Voltage of In-vivo Energy Harvesters 8
2.5 Piezoelectric Energy Harvesters for in-vivo 9
III. Materials and Methods
3.1 Configuration of Bi-axially Stretchable 3D PZT Energy Harvester 11
3.2 PZT Thin Film Structure 12
3.3 Measurement Set-up for PZT Thin Film Characterization 13
3.4 PZT Thin Film Characterization : Strain 14
3.5 PZT Thin Film Characterization : Electrical Signals 16
3.6 Compressive Buckling Process for 3D PZT Structure 17
3.7 3D PZT Thin Film Structure 19
3.8 Deformation Analysis of 3D PZT Thin Film Structure 20
3.9 Modified Electrodes Design 21
IV. Results and Discussion
4.1 Fabrication Process of 3D Energy Harvester with Modified Electrode 22
4.2 2D precursor for 3D PZT Energy Harvester 24
4.3 Stretchable 3D PZT Energy Harvester 25
4.4 Electrical Output of Stretchable 3D PZT Energy Harvester 26
4.5 Asymmetrical Stiffener for Neutral Plane Modification 27
4.6 Computational Analysis of Asymmetrical Stiffener 28
4.7 Bi-axially Stretchable 3D PZT Energy Harvester 29
V. Conclusion 31
VI. References 32
요 약 문 36

URI

http://dgist.dcollection.net/common/orgView/200000284063
http://hdl.handle.net/20.500.11750/11968

DOI

10.22677/Theses.200000284063

Degree

Master

Department

Robotics Engineering

Publisher

DGIST

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