DataVXAdvanced Energy MaterialsPaper
journal article·2021-07

Nonpolar Liquid Lubricant Submerged Triboelectric Nanogenerator for Current Amplification via Direct Electron Flow

Seh‐Hoon Chung, Jihoon Chung, Myunghwan Song, Seonwoo Kim, Dongjun Shin, Zong‐Hong Lin, Bonwook Koo, Dongseob Kim, Jinkee Hong, Sangmin Lee

Advanced Energy Materials· Volume 11· Issue 25
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Source abstract

Abstract

Abstract Triboelectric nanogenerators (TENGs) can convert a mechanical energy input to an electric energy output through Maxwell's displacement current. By increasing the electrical output and overcoming the mechanical limitations of TENGs, such devices can be used as an auxiliary power source for portable electronics. Nevertheless, the generation mechanism and structure must be optimized to compensate for the electrical and mechanical limitations of TENGs. This paper reports on a nonpolar liquid lubricant submerged TENG (LLS‐TENG), which can overcome the existing electrical and mechanical limitations of the TENG. When a nonpolar liquid lubricant is filled in the LLS‐TENG, the air breakdown can be effectively blocked owing to the large Debye length of such lubricants. In addition, the rolling friction and lubrication present in the LLS‐TENG can significantly reduce the friction wear of the device. Consequently, the LLS‐TENG can charge a commercial capacitor and battery by generating a high voltage and current output of up to 200 V and 170 mA, respectively.
Source: crossref · Quality: baseline

Research context

Energy storageNanomaterials

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Supercapacitor Materials and Fabrication

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Mechanical Engineering Chung‐ang University 84, Heukseok‐ro, Dongjak‐gu Seoul Republic of Korea

Institute of Biomedical Engineering and Department of Power Mechanical Engineering National Tsing Hua University 101, Section 2, Kuang‐Fu Road Hsinchu 30013 Taiwan

Safety System R&D Group Korea Institute of Industrial Technology (KITECH) 57, Yangho‐gil, Yeongcheon‐si Gyeongsangbuk‐do 38822 Republic of Korea

Green and Sustainable Materials R&D Department Korea Institute of Industrial Technology (KITECH) 89 Yangdaegiro‐gil, Ipjang‐myeon, Seobuk‐gu Cheonan‐si Chungcheongnam‐do 31056 Republic of Korea

Department of Chemical & Biomolecular Engineering College of Engineering Yonsei University 50 Yonsei‐ro, Seodaemun‐gu Seoul 03722 Republic of Korea

Funding

National Research Foundation of Korea

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