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Prof. Lee Sang-min of CAU’s School of Mechanical Engineering Publishes Research Result in Nature Communications

Name 관리자 Date 2018.05.04 Hit 441
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Prof. Lee Sang-min, Kim Tae-hoon, and Yong Hyung-seok of Chung-Ang University (CAU)’s School of Mechanical Engineering jointly conducted a research study with Korean researchers, Prof. Park Yong-tae of Myongji University, Prof. Choi Deok-hyun of Kyung Hee University, Dr. Kim Dong-seob of Korea Institute of Industrial Technology. Its research paper entitled “Energy- Loss Return Gate via Liquid Dielectric Polarization” was published in the world-famous journal, Nature Communications, on April 12th, 2018.


A liquid dielectric, due to its high dielectric constant and heat transfer rate, can be applied to a variety of fields as an energy material. The research team made use of liquid dielectric polarization to develop a new technology that turns energy losses in electric and electronic devices to usable energy. It is especially meaningful that the research team used water–not just easy to find, but environment-friendly substance–as a liquid dielectric. As such, the team found a new technology with the wide application and high practical use.


The team directly applied this technology to existing energy harvesting methodology. By doing so, the team was able to prevent energy losses arising from the production of electric energy. This ultimately led to a two-time increase in the energy harvesting efficiency compared to the same level of input energy produced in other ways.


The research team, through this study, proves that dielectric losses in widely-used electric and electronic devices can be successfully converted into usable energy. By demonstrating that this technology can be easily adopted in daily life, the team highly emphasizes on its practicability. Furthermore, this research achievement can not only be applied to all the areas where electric energy is used, but lead to developing a self-powered electric energy detection sensor.


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