Mr. Kwang-Yeop Jang Profile

Kwang-Yeop Jang

Graduate student at Tech Univ of Korea

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Proceedings Article | 15 April 2016 Paper

Magneto-Thermo-Triboelectric Generator (MTTG) for thermal energy harvesting

Kwang Yeop Jang, James Lee, Dong-Gun Lee

Proceedings Volume 9799, 97993C (2016) https://doi.org/10.1117/12.2218800

KEYWORDS: Ferromagnetics, Energy harvesting, Interfaces, Thermal effects, Sensors, Nanotechnology, Magnetism

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We present a novel thermal energy harvesting system using triboelectric effect. Recently, there has been intensive research efforts on energy harvesting using triboelectric effect, which can produce surprising amount of electric power (when compared to piezoelectric materials) by rubbing or touching (i.e, electric charge by contact and separation) two different materials together. Numerous studies have shown the possibility as an attractive alternative with good transparency, flexibility and low cost abilities for its use in wearable device and smart phone applications markets. However, its application has been limited to only vibration source, which can produce sustained oscillation with maintaining contact and separation states repeatedly for triboelectric effect. Thus, there has been no attempt toward thermal energy source. The proposed approach can convert thermal energy into electricity by pairing triboelectric effect and active ferromagnetic materials The objective of the research is to develop a new manufacturing process of design, fabrication, and testing of a Magneto-Thermo-Triboelectric Generator (MTTG). The results obtained from the approach show that MTTG devices have a feasible power energy conversion capability from thermal energy sources. The tunable design of the device is such that it has efficient thermal capture over a wide range of operation temperature in waste heat.

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