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에너지 하베스팅 성능 향상을 위한 이중 접촉 마찰대전 발전기 개발 및 특성 분석

Development and Characterization of Double-Contact Triboelectric Nanogenerator with Improved Energy Harvesting Performance

Journal of the Korean Society for Precision Engineering 2021;38(4):287-294.
Published online: April 1, 2021

1 경북대학교 기계공학과

2 한국생산기술연구원 정밀기계공정제어연구그룹

3 한국기술교육대학교 메카트로닉스공학부

1 Department of Mechanical Engineering, Kyungpook National University

2 Precision Mechanical Process and Control R&D Group, Korea Institute of Industrial Technology

3 School of Mechatronics Engineering, Korea University of Technology and Education

#E-mail: sykimknu@knu.ac.kr, TEL: +82-53-950-7595E-mail: jhpark98@koreatech.ac.kr, TEL: +82-41-560-1124
• Received: January 14, 2021   • Revised: February 9, 2021   • Accepted: February 10, 2021

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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  • Improvement of Dielectric Polarization Characteristic for a Highly Sensitive Flexible Triboelectric Sensor
    Seo-Yeon So, Sang-Hu Park
    Journal of the Korean Society for Precision Engineering.2022; 39(5): 357.     CrossRef

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Development and Characterization of Double-Contact Triboelectric Nanogenerator with Improved Energy Harvesting Performance
J. Korean Soc. Precis. Eng.. 2021;38(4):287-294.   Published online April 1, 2021
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J. Korean Soc. Precis. Eng.. 2021;38(4):287-294.   Published online April 1, 2021
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Development and Characterization of Double-Contact Triboelectric Nanogenerator with Improved Energy Harvesting Performance
Image Image Image Image Image Image Image Image Image
Fig. 1 Schematic information of DC-TENG structure
Fig. 2 Fabrication sequence of DC-TENG
Fig. 3 Working principle of the DC-TENG (a) Cyclic mechanism of triboelectrification by DC-TENG and (b) The 5-steps of visual information of contact/separation and example of electrification information by DC-TENG
Fig. 4 Characteristic analysis of Contact mode (a) Schematic illustration of air-gap layer comparison test (b) Voltage comparison (RMS) for each mode (BF, HF, DC) and (c) Current
Fig. 5 Feature of contact behavior with contact speed (a) Displacement curve of hammer surface position and composition of impact curve (Stroke, Standstill) (b) V&I by Stroke time (ST) variation and (c) Standstill time (SST) variation
Fig. 6 Optimization of contact behavior. (a) Contact behavior variable according to the ratio of stroke and standstill with fixed frequency (5 Hz) and (b) Voltage and current by contact behavior
Fig. 7 Result of DC-TENG (a) Voltage and current by air-gap distance variation and (b) Frequency variation
Fig. 8 Influence of the load resistance on the DC-TENG (a) Voltage (RMS), Current (RMS) and (b) Power (RMS)
Fig. 9 Application of pavement type DC-TENG (a) Schematic information of Pavement type DC-TENG and (b) LED lighting by walking energy (Separated diode direction for continuous lighting by contact separation)
Development and Characterization of Double-Contact Triboelectric Nanogenerator with Improved Energy Harvesting Performance