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Baik, Jeong Min
Nano Energy and Environmental Materials Lab
Research Interests
  • Nanogenerators, antimicrobial material, catalysis, smart sensors

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Boosted output performance of triboelectric nanogenerator via electric double layer effect

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Title
Boosted output performance of triboelectric nanogenerator via electric double layer effect
Author
Chun, JinsungYe, Hyeong UkLee, Jae WonChoi, DukhyunKang, Chong-YunKim, Sang-WooWang, Zhong LinBaik, Jeong Min
Issue Date
201610
Publisher
NATURE PUBLISHING GROUP
Citation
NATURE COMMUNICATIONS, v.7, no., pp.12985 -
Abstract
For existing triboelectric nanogenerators (TENGs), it is important to explore unique methods to further enhance the output power under realistic environments to speed up their commercialization. We report here a practical TENG composed of three layers, in which the key layer, an electric double layer, is inserted between a top layer, made of Al/polydimethylsiloxane, and a bottom layer, made of Al. The efficient charge separation in the middle layer, based on Volta’s electrophorus, results from sequential contact configuration of the TENG and direct electrical connection of the middle layer to the earth. A sustainable and enhanced output performance of 1.22 mA and 46.8 mW cm−2 under low frequency of 3 Hz is produced, giving over 16-fold enhancement in output power and corresponding to energy conversion efficiency of 22.4%. Finally, a portable power-supplying system, which provides enough d.c. power for charging a smart watch or phone battery, is also successfully developed.
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DOI
http://dx.doi.org/10.1038/ncomms12985
ISSN
2041-1723
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MSE_Journal Papers
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