Title

Self-Powered, Unidirectional, and Efficient Dust Removal Using Electrodynamic Screen Effects Driven by Multi-Phase Controlled Triboelectric Nanogenerators

Alternative Title

마찰대전 소자 기반의 전기역학 스크린 구조 디자인을 통한 먼지 제거 방향 조절

DGIST Authors

Junyeong Yang ; Ju-Hyuck Lee ; Jongmin Choi

Advisor

이주혁

Co-Advisor(s)

Jongmin Choi

Issued Date

2025

Awarded Date

2025-02-01

Citation

Junyeong Yang. (2025). Self-Powered, Unidirectional, and Efficient Dust Removal Using Electrodynamic Screen Effects Driven by Multi-Phase Controlled Triboelectric Nanogenerators. doi: 10.22677/THESIS.200000842695

Type

Thesis

Description

Energy harvesting, Triboelectric Nanogenerators, Electrodynamic screen, 3-phase, Unidirectional dust control

Table Of Contents

Ⅰ. Introduction 1
1.1 Effects of dust deposition on solar panels 1
1.2 Electrodynamic screen (EDS) technology and its limitation 3
1.3 Triboelectric Nanogenerators 6
1.3.1 Definition and mechanism 6
1.3.2 Operation types of TENGs 9
1.3.3 Rotational triboelectric nanogenerators (RTENGs) 11
1.1.4 RTENG-based EDS 13
1.4 References 16

Ⅱ. Specification optimization of RTENGs for EDS 20
2.1 Introduction 20
2.2 Schematic of RTENG based dust removal by EDS 21
2.2.1 Composition of RTENGs 21
2.2.2 Operation mechanism 24
2.3 Optimization of dust removal 28
2.3.1 Output optimization 28
2.3.2 Dust removal efficiency (DRE) optimization 32

Ⅲ. Comparison between 1-phase and 3-phase EDS 35
3.1 Introduction 35
3.2 Differences of 1-phase and 3-phase RTENG 37
3.2.1 Output performance 37
3.2.2 DRE 38
3.2.3 UV-Vis spectroscopy 43
3.3 Wind-driven RTENGs 44
3.3.1 Rotational speed of RTENGs according to wind speed 44
3.3.2 Recovery test using solar panels 46

Ⅳ. Conclusion 49

Ⅴ. Experimental Section 50

Ⅵ. References 53

URI

http://hdl.handle.net/20.500.11750/58038
http://dgist.dcollection.net/common/orgView/200000842695

DOI

10.22677/THESIS.200000842695

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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