期刊
ACS ENERGY LETTERS
卷 6, 期 6, 页码 2343-2350出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.1c00704
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类别
资金
- National Natural Science Foundation of China [51922023, 61874011]
- National Key Research and Development Program of China [2016YFA0202704]
- Tribology Science Fund of State Key Laboratory of Tribology [SKLTKF19B02]
- Open Research Foundation of State Key Laboratory of Digital Manufacturing Equipment Technology [DMETKF2020014]
This study presents a wireless anemometer powered by a planetary rolling triboelectric nanogenerator, capable of harvesting wind energy and measuring wind speed even at low wind speeds. By integrating micro/nanoenergy harvesters and active sensors, a complete self-powered intelligent wireless sensing system has been achieved, showing promising applications in distributed micro/nanoenergy, unattended environmental monitoring, and the Internet of things.
A triboelectric nanogenerator (TEND) has great advantages in harvesting low-frequency mechanical energy, which is very suitable for energy harvesters and active sensors for breeze wind. Here, we report a breeze-wind-driven autonomous wireless anemometer (WWA) based on a planetary rolling triboelectric nanogenerator (PRTENG) for simultaneous wind energy harvesting and wind speed sensing. Benefitting from the planetary rolling friction, the PR-TENG can be activated at a wind speed of less than 2 m/s. At a wind speed of S m/s, the W-WA can be continuously powered and autonomously transmit wind speed data in the range of 10 m every 2 min. By integrating the TENG-based micro/nanoenergy harvester and active sensor, this work has realized a complete self-powered intelligent wireless sensing system, which has exhibited broad prospects in distributed micro/nanoenergy, unattended environmental monitoring, and the Internet of things.
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