Rotating-Disk-Based Hybridized Electromagnetic-Triboelectric Nanogenerator for Sustainably Powering Wireless Traffic Volume Sensors

被引：279

作者：

Zhang, Binbin ^{[1
]}

Chen, Jun ^{[3
]}

Jin, Long ^{[1
]}

Deng, Weili ^{[1
]}

Zhang, Lei ^{[1
]}

Zhang, Haitao ^{[1
]}

Zhu, Minhao ^{[1
,2
]}

Yang, Weiqing ^{[1
]}

Wang, Zhong Lin ^{[3
,4
]}

机构：

[1] Southwest Jiaotong Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Peoples R China

[2] Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Peoples R China

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

[4] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing, Peoples R China

来源：

ACS NANO | 2016年 / 10卷 / 06期

关键词：

hybridized electromagnetic-triboelectric nanogenerator; self-powered wireless sensor; WATER-WAVE ENERGY; VIBRATION; MOTION;

D O I：

10.1021/acsnano.6b02384

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Wireless traffic volume detectors play a critical role for measuring the traffic-flow in a real-time for current Intelligent Traffic System. However, as a battery-operated electronic device, regularly replacing battery remains a great challenge, especially in the remote area and wide distribution. Here, we report a self-powered active wireless traffic volume sensor by using a rotating-disk-based hybridized nanogenerator of triboelectric nanogenerator and electromagnetic generator as the sustainable power source. Operated at a rotating rate of 1000 rpm, the device delivered an output power of 17.5 mW, corresponding to a volume power density of 55.7 W/m(3) (P-d = P/V, see Supporting Information for detailed calculation) at a loading resistance of 700 Omega. The hybridized nanogenerator was demonstrated to effectively harvest energy from wind generated by a moving vehicle through the tunnel. And the delivered power is capable of triggering a counter via a wireless transmitter for real-time monitoring the traffic volume in the tunnel. This study further expands the applications of triboelectric nanogenerators for high-performance ambient mechanical energy harvesting and as sustainable power sources for driving wireless traffic volume sensors.

引用

页码：6241 / 6247

页数：7

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