期刊
ACS NANO
卷 10, 期 2, 页码 1780-1787出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.5b07157
关键词
triboelectric nanogenerator; wind energy; arbitrary direction; high-altitude platform
类别
资金
- thousands talents program for pioneer researcher and his innovation team, China, National Natural Science Foundation of China [51432005, 61574018]
Wind energy at a high altitude is far more stable and stronger than that near the ground, but it is out of reach of the wind turbine. Herein, we develop an innovative freestanding woven triboelectric nanogenerator flag (WTENG-flag) that can harvest high-altitude wind energy from arbitrary directions. The wind-driven fluttering of the woven unit leads to the current generation by a coupled effect of contact electrification and electrostatic induction. Systematic study is conducted to optimize the structure/material parameters of the WTENG-flag to improve the power output. This 2D WTENG-flag can also be stacked in parallel connections in many layers for a linearly increased output. Finally, a self-powered high-altitude platform with temperature/humidity sensing/telecommunicating capability is demonstrated with the WTENG-flag as a power source. Due to the light weight, low cost, and easy scale-up, this WTENG-flag has great potential for applications in weather/environmental sensing/monitoring systems.
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