High output piezo/triboelectric hybrid generator

Scientific Reports
Woo-Suk JungChong-Yun Kang

Abstract

Recently, piezoelectric and triboelectric energy harvesting devices have been developed to convert mechanical energy into electrical energy. Especially, it is well known that triboelectric nanogenerators have a simple structure and a high output voltage. However, whereas nanostructures improve the output of triboelectric generators, its fabrication process is still complicated and unfavorable in term of the large scale and long-time durability of the device. Here, we demonstrate a hybrid generator which does not use nanostructure but generates much higher output power by a small mechanical force and integrates piezoelectric generator into triboelectric generator, derived from the simultaneous use of piezoelectric and triboelectric mechanisms in one press-and-release cycle. This hybrid generator combines high piezoelectric output current and triboelectric output voltage, which produces peak output voltage of ~370 V, current density of ~12 μA · cm(-2), and average power density of ~4.44 mW · cm(-2). The output power successfully lit up 600 LED bulbs by the application of a 0.2 N mechanical force and it charged a 10 μF capacitor to 10 V in 25 s. Beyond energy harvesting, this work will provide new opportunities for developing a sm...Continue Reading

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Citations

Nov 26, 2015·Scientific Reports·Sungmook JungDae-Hyeong Kim
Sep 17, 2016·ACS Applied Materials & Interfaces·Seung HyunJin Kon Kim
Aug 26, 2017·Science·Shi Hyeong KimRay H Baughman
Jul 26, 2018·Advanced Materials·Bojing ShiYubo Fan
Jan 28, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Zhuo LiuZhou Li
Jul 6, 2019·Advanced Materials·Jidong ShiXiaoming Tao
Jul 7, 2020·Advanced Materials·Andris ŠutkaAmanda V Ellis
Nov 28, 2018·Advanced Science·Jihoon ChungSangmin Lee
Dec 25, 2019·Advanced Science·Abdelsalam AhmedRichard B Kaner
Jan 11, 2016·Advanced Materials·Feng Ru FanZhong Lin Wang
Feb 14, 2021·Nanoscale Research Letters·Minsoo P KimHyunhyub Ko
Mar 18, 2021·Research : a Science Partner Journal·Lingjie XieXuhui Sun
Mar 24, 2020·Chemical Reviews·Guorui ChenJun Chen
Sep 4, 2020·ACS Applied Electronic Materials·Bruno GilGuang-Zhong Yang

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Methods Mentioned

BETA
force measurement

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