期刊
MATERIALS TODAY ENERGY
卷 20, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mtener.2021.100657
关键词
TENGs; PDMS foam; Flexible electronics; Human-machine interfaces; Tactile sensors
资金
- City University of Hong Kong [9610423, 9667199]
- Research Grants Council of Hong Kong Special Administrative Region [21210820]
- Shenzhen Science and Technology Innovation Commission [JCYJ20200109110201713]
- Foundation of National Natural Science Foundation of China (NSFC) [61421002, 61675041, 51703019]
- Sichuan Science and Technology Program [2020YFG0281, 2020YFG0279, 2020YFH0181, 2019YFG0121]
- Sichuan Province Key Laboratory of Display Science and Technology
- UESTC
Flexible and stretchable triboelectric nanogenerator (FS-TENG) is a promising technology for energy harvesting and tactile sensing. By using porous poly(dimethylsiloxane) foam and advanced serpentine silver nanowires, ultrathin self-powering sensors have been developed to enhance the electrical output signals. These sensors have shown great potential for applications in healthcare monitoring and human-machine interfaces.
Flexible and stretchable triboelectric nanogenerator (FS-TENG) is an excellent candidate of energy harvesters and tactile sensors as which can collect and induce electrical signals during daily activities and thus for self-powering wearable electronics. Here, ultrathin, soft, skin-integrated self-powering sensors based on FS-TENGs with sets of materials of porous poly(dimethylsiloxane) foam and advanced serpentine silver nanowires are reported to applicate TENG in high-sensitive human-machine interfaces. Systematically, studies of morphology and microstructures in the foam-based FS-TENGs indicate that appropriately designed thin foam triboelectric layers can effectively facile electrostatic induction and significantly enhance the electrical output signals. As a result, an open circuit voltage and a power density as high as 78.7 V and 33.75 W/m(2) can be achieved, that is 20 times greater than the pure silicone-based FS-TENGs. Demonstrations of these FS-TENGs with the simple processing routes that associate with 24 sensors integrated on a glove and a large area 8 x 8 tactile sensor array highlight the capabilities of self-powering sensing and energy harvesting. These results offer an effective approach for thin, light wearable self-powering electronics for applications in healthcare monitoring and human-machine interfaces. (C) 2021 Elsevier Ltd. All rights reserved.
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