Journal
NANO-MICRO LETTERS
Volume 11, Issue 1, Pages -Publisher
SHANGHAI JIAO TONG UNIV PRESS
DOI: 10.1007/s40820-019-0271-3
Keywords
Triboelectric nanogenerator; Stretchable; Human motion energy; Wearable power source; Active gesture sensor
Funding
- National Natural Science Foundation of China (NSFC) [61804103]
- National Key RAMP
- D Program of China [2017YFA0205002]
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [18KJA535001, 14KJB150020]
- Natural Science Foundation of Jiangsu Province of China [BK20170343, BK20180242]
- China Postdoctoral Science Foundation [2017M610346]
- State Key Laboratory of Silicon Materials, Zhejiang University [SKL2018-03]
- Nantong Municipal Science and Technology Program [GY12017001]
- Jiangsu Key Laboratory for Carbon-Based Functional Materials AMP
- Devices, Soochow University [KSL201803]
- Collaborative Innovation Center of Suzhou Nano Science Technology
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- 111 Project
- Joint International Research Laboratory of Carbon-Based Functional Materials and Devices
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HighlightsOwing to the great robustness, continuous conductivity, and geometric construction of a steel wire electrode, the FST-TENGs demonstrate high stability, stretchability, and even tailorability.By knitting several FST-TENGs to be a fabric or a bracelet worn on the human body, it enables to harvest human motion energy.The FST-TENGs can also be woven on dorsum of glove to monitor the movements of gesture. AbstractContinuous deforming always leads to the performance degradation of a flexible triboelectric nanogenerator due to the Young's modulus mismatch of different functional layers. In this work, we fabricated a fiber-shaped stretchable and tailorable triboelectric nanogenerator (FST-TENG) based on the geometric construction of a steel wire as electrode and ingenious selection of silicone rubber as triboelectric layer. Owing to the great robustness and continuous conductivity, the FST-TENGs demonstrate high stability, stretchability, and even tailorability. For a single device with 6cm in length and 3mm in diameter, the open-circuit voltage of 59.7V, transferred charge of 23.7nC, short-circuit current of 2.67A and average power of 2.13W can be obtained at 2.5Hz. By knitting several FST-TENGs to be a fabric or a bracelet, it enables to harvest human motion energy and then to drive a wearable electronic device. Finally, it can also be woven on dorsum of glove to monitor the movements of gesture, which can recognize every single finger, different bending angle, and numbers of bent finger by analyzing voltage signals.
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