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나노패턴 필름 및 압전물질 스펀지 적층구조 기반 마찰전기-압전 하이브리드 에너지 하베스터

Hybrid Triboelectric-piezoelectric Energy Harvester Utilizing Nanopatterned Film and Piezoelectric Elastomeric Sponge Layers

Journal of the Korean Society for Precision Engineering 2024;41(7):527-532.
Published online: July 1, 2024

1 서울과학기술대학교 기계·자동차공학과

1 Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology

#E-mail: jgokr@seoultech.ac.kr, TEL: +82-2-970-9012

*These authors contributed equally to this work.

• Received: May 15, 2024   • Revised: May 21, 2024   • Accepted: May 22, 2024

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • A joint sensing method for transmission line damage and sag based on triboelectric nanogenerator and deep learning
    Zhijie Hao, Zhenyao Ma, Changxin Liu, Yi Wang, Kailin Lei, Jiaming Zhang, Shengquan Wang, Yunchi Xie, Mingyu Lu
    Journal of Materials Science: Materials in Electronics.2025;[Epub]     CrossRef

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Hybrid Triboelectric-piezoelectric Energy Harvester Utilizing Nanopatterned Film and Piezoelectric Elastomeric Sponge Layers
J. Korean Soc. Precis. Eng.. 2024;41(7):527-532.   Published online July 1, 2024
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Hybrid Triboelectric-piezoelectric Energy Harvester Utilizing Nanopatterned Film and Piezoelectric Elastomeric Sponge Layers
J. Korean Soc. Precis. Eng.. 2024;41(7):527-532.   Published online July 1, 2024
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Hybrid Triboelectric-piezoelectric Energy Harvester Utilizing Nanopatterned Film and Piezoelectric Elastomeric Sponge Layers
Image Image Image Image Image Image
Fig. 1 (a) Schematic illustration of the dynamic nanoinscribing (DNI) process where a rigid nanopatterned edge slides over a polymer substrate to continuously create nanograting structure, SEM images of (b) a well-cleaved nanopatterned Si edge used as a DNI tool, (c) the nanograting structure DNI-ed on a PC substrate, Optical images of (d) a PC film having the DNI-ed nanograting pattern, and (e) its Cu-coated samples
Fig. 2 (a) Fabrication procedure for piezoelectric sponge (PES) structures, (b) PESs fabricated with various thicknesses, and (c) SEM image of the PES, showing its porous microstructure
Fig. 3 (a) Conceptual design of the HTPENG measurement system and (b) Actual prototype system for HTPENG measurement
Fig. 4 (a) Performance evaluation of the PC/PES devices with various PES thicknesses and (b) Averaged maximum voltages reachable for each device with the corresponding PES thickness
Fig. 5 (a) Performance evaluation of the Cu-coated PC/PES devices with various Cu thicknesses and (b) Averaged maximum voltages reachable for each device with the corresponding Cu thickness
Fig. 6 (a) Performance evaluation of the PC/PES devices with or without the Cu layer and the DNI-ed nanopattern and (b) Averaged maximum voltages reachable for each device with the corresponding Cu and DNI combination
Hybrid Triboelectric-piezoelectric Energy Harvester Utilizing Nanopatterned Film and Piezoelectric Elastomeric Sponge Layers