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- Title
Stretchable-Rubber-Based Triboelectric Nanogenerator and Its Application as Self-Powered Body Motion Sensors.
- Authors
Yi, Fang; Lin, Long; Niu, Simiao; Yang, Po Kang; Wang, Zhaona; Chen, Jun; Zhou, Yusheng; Zi, Yunlong; Wang, Jie; Liao, Qingliang; Zhang, Yue; Wang, Zhong Lin
- Abstract
A stretchable-rubber-based (SR-based) triboelectric nanogenerator (TENG) is developed that can not only harvest energy but also serve as self-powered multifunctional sensors. It consists of a layer of elastic rubber and a layer of aluminum film that acts as the electrode. By stretching and releasing the rubber, the changes of triboelectric charge distribution/density on the rubber surface relative to the aluminum surface induce alterations to the electrical potential of the aluminum electrode, leading to an alternating charge flow between the aluminum electrode and the ground. The unique working principle of the SR-based TENG is verified by the coupling of numerical calculations and experimental measurements. A comprehensive study is carried out to investigate the factors that may influence the output performance of the SR-based TENG. By integrating the devices into a sensor system, it is capable of detecting movements in different directions. Moreover, the SR-based TENG can be attached to a human body to detect diaphragm breathing and joint motion. This work largely expands the applications of TENG not only as effective power sources but also as active sensors; and opens up a new prospect in future electronics.
- Subjects
MOTION detectors; HUMAN body; TRIBOELECTRICITY; ALUMINUM electrodes; COMPUTER simulation
- Publication
Advanced Functional Materials, 2015, Vol 25, Issue 24, p3688
- ISSN
1616-301X
- Publication type
Article
- DOI
10.1002/adfm.201500428