期刊
NANOSCALE ADVANCES
卷 2, 期 10, 页码 4482-4490出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0na00536c
关键词
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资金
- Joint fund of Equipment Pre-Research and Ministry of Education [6141A02022518]
- Fundamental Research Funds for the Central Universities [XJS191401, JB191403, JB191401, JB191407, lzujbky-2018-ot04]
- National Natural Science Foundation of Shaanxi Province [2018JQ5153, 2020JM-182]
Harvesting energy from the surrounding environment, particularly from human body motions, is an effective way to provide sustainable electricity for low-power mobile and portable electronics. To get adapted to the human body and its motions, we report a new fiber-based triboelectric nanogenerator (FTNG) with a coaxial double helix structure, which is appropriate for collecting mechanical energy in different forms. With a small displacement (10 mm at 1.8 Hz), this FTNG could output 850.20 mV voltage and 0.66 mA m(-2) current density in the lateral sliding mode, or 2.15 V voltage and 1.42 mA m(-2) current density in the vertical separating mode. Applications onto the human body are also demonstrated: the output of 6 V and 600 nA (3 V and 300 nA) could be achieved when the FTNG was attached to a cloth (wore on a wrist). The output of FTNG was maintained after washing or long-time working. This FTNG is highly adaptable to the human body and has the potential to be a promising mobile and portable power supply for wearable electronic devices.
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