Flutter-driven triboelectrification for harvesting wind energy

被引：363

作者：

Bae, Jihyun ^{[1
]}

Lee, Jeongsu ^{[2
]}

Kim, SeongMin ^{[1
]}

Ha, Jaewook ^{[3
]}

Lee, Byoung-Sun ^{[1
]}

Park, YoungJun ^{[4
]}

Choong, Chweelin ^{[1
]}

Kim, Jin-Baek ^{[3
]}

Wang, Zhong Lin ^{[5
]}

Kim, Ho-Young ^{[2
]}

Park, Jong-Jin ^{[6
]}

Chung, U-In ^{[1
]}

机构：

[1] Samsung Elect Co, SAIT, Suwon 443803, Gyeonggi Do, South Korea

[2] Seoul Natl Univ, Dept Mech & Aerosp Engn, Seoul 151744, South Korea

[3] Korea Adv Inst Sci & Technol, Dept Chem, Taejon 305701, South Korea

[4] Samsung Elect Co Ltd, DMC R&D Ctr, Suwon 443742, Gyeonggi Do, South Korea

[5] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[6] Chonnam Natl Univ, Sch Polymer Sci & Engn, Kwangju 500757`, South Korea

来源：

NATURE COMMUNICATIONS | 2014年 / 5卷

基金：

新加坡国家研究基金会;

关键词：

NANOGENERATOR; POWER; ELECTRIFICATION; SEPARATION; SENSOR; FLAGS;

D O I：

10.1038/ncomms5929

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Technologies to harvest electrical energy from wind have vast potentials because wind is one of the cleanest and most sustainable energy sources that nature provides. Here we propose a flutter-driven triboelectric generator that uses contact electrification caused by the self-sustained oscillation of flags. We study the coupled interaction between a fluttering flexible flag and a rigid plate. In doing so, we find three distinct contact modes: single, double and chaotic. The flutter-driven triboelectric generator having small dimensions of 7.5 x 5cm at wind speed of 15 ms(-1) exhibits high-electrical performances: an instantaneous output voltage of 200V and a current of 60 mu A with a high frequency of 158 Hz, giving an average power density of approximately 0.86mW. The flutter-driven triboelectric generation is a promising technology to drive electric devices in the outdoor environments in a sustainable manner.

引用

页数：9

共 35 条

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