期刊
NANO ENERGY
卷 2, 期 5, 页码 856-862出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2013.03.001
关键词
Triboelectric nanogenerator; Shoe insole; Flexible; Energy harvesting
类别
资金
- U.S. Department of Energy, Office of Basic Energy Sciences [DE-FG02-07ER46394]
- NSF [0946418]
- MANA
- National Institute For Materials, Japan
- Chinese Academy of Science [KJCX2-YW-M13]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [0946418] Funding Source: National Science Foundation
We report a simple fabrication, great performance and cost-effective triboelectric nanogenerator (TENG), which is based on the cycled contact-separation between a polydimethylsiloxane (PDMS) film and a polyethylene terephthalate (PET) film, for effectively harvesting footfall energy. The elastic sponge is first used as the spacer in the TENG, where the size and the thickness of the spacers have a significant effect on the output performance of the TENG. By using the optimized device, a TENG-based shoe insole is used to harvest human walking energy, where the maximum output voltage and current density reached up to 220 V and 40 mu A, respectively. We also demonstrate that the fabricated shoe insole using a single layer of TENG can be directly used to light up 30 white light-emitting diodes (LEDs) in serial connection. By taking the merits of this simple fabrication, outstanding performance, robust characteristic and low-cost technology, we believe that TENG can open up great opportunities not only for powering small electronics, but also can contribute to large-scale energy harvesting through engineering design. (C) 2013 Elsevier Ltd. All rights reserved.
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